From 915002ed42042586c21ce068a2621cc2d22cd0f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20St=C3=B6hr?= <uwestoehr@lyx.org>
Date: Mon, 3 Feb 2014 02:22:24 +0100
Subject: [PATCH] UserGuide.lyx and Math.lyx: use and describe LyX's native
 visible space

---
 lib/doc/Math.lyx         | 2301 ++++----------------------------------
 lib/doc/UserGuide.lyx    |  130 +--
 lib/doc/de/Math.lyx      | 2259 ++++---------------------------------
 lib/doc/de/UserGuide.lyx |  180 +--
 lib/doc/es/Math.lyx      | 2284 ++++---------------------------------
 lib/doc/es/UserGuide.lyx |  132 +--
 lib/doc/fr/Math.lyx      | 2283 ++++---------------------------------
 lib/doc/fr/UserGuide.lyx |  132 +--
 lib/doc/ja/Math.lyx      | 2279 ++++---------------------------------
 lib/doc/ja/UserGuide.lyx |  146 +--
 10 files changed, 1203 insertions(+), 10923 deletions(-)

diff --git a/lib/doc/Math.lyx b/lib/doc/Math.lyx
index 1aa67c3704..c221ab8a00 100644
--- a/lib/doc/Math.lyx
+++ b/lib/doc/Math.lyx
@@ -84,8 +84,6 @@
 \DeclareMathOperator*{\Lozenge}{\blacklozenge}
 \DeclareMathOperator{\sgn}{sgn}
 
-\newcommand{\spce}{\textvisiblespace}
-
 % example definitions for sec. 20.1 
 \newcommand{\gr}{\Longrightarrow}
 \newcommand{\us}[1]{\underline{#1}}
@@ -947,52 +945,11 @@ Syntax Explanation
 \end_layout
 
 \begin_layout Itemize
-The symbol
-\begin_inset Foot
-status collapsed
-
-\begin_layout Plain Layout
-This visible space character can be created with the command 
-\series bold
-
-\backslash
-textvisiblespace
-\series default
-
-\begin_inset Index idx
-status collapsed
-
-\begin_layout Plain Layout
-Commands ! T ! 
-\backslash
-textvisiblespace
-\end_layout
-
+The symbol 
+\begin_inset space \textvisiblespace{}
 \end_inset
 
-, inserted in TeX-mode.
-\end_layout
-
-\end_inset
-
- 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
-\end_inset
-
-
-\begin_inset space ~
-\end_inset
-
-denotes a space character to be input.
+ denotes a space character to be input.
 \end_layout
 
 \begin_layout Itemize
@@ -1662,16 +1619,7 @@ B^V
 
 \begin_layout Plain Layout
 B^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1901,16 +1849,7 @@ raisebox
 
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1943,16 +1882,7 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1985,31 +1915,13 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e^
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -2101,16 +2013,7 @@ The command for the example above is:
 
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2120,31 +2023,13 @@ A
 B+
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C+
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 E
@@ -2508,16 +2393,7 @@ raisebox
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
@@ -2546,16 +2422,7 @@ A-B
 
 \backslash
 root
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 3
@@ -2695,16 +2562,7 @@ uproot{2
 
 \backslash
 beta
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -2904,16 +2762,7 @@ raisebox
 
 \backslash
 binom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2946,16 +2795,7 @@ B
 
 \backslash
 dbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2988,16 +2828,7 @@ B
 
 \backslash
 tbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3030,16 +2861,7 @@ B
 
 \backslash
 brack
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3072,16 +2894,7 @@ B
 
 \backslash
 brace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3162,16 +2975,7 @@ Result
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3217,16 +3021,7 @@ A & B>0\end{cases}$
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -3757,31 +3552,13 @@ raisebox
 
 \begin_layout Plain Layout
 ^19
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -3789,16 +3566,7 @@ spce
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3825,31 +3593,13 @@ F
 
 \begin_layout Plain Layout
 ^235
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 23
@@ -3857,16 +3607,7 @@ spce
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3895,31 +3636,13 @@ F
 
 \backslash
 Lambda^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ii
@@ -3927,16 +3650,7 @@ ii
 \end_inset
 
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _MMt
@@ -4048,22 +3762,9 @@ For example the command
 
 \backslash
 vphantom
-\series default
-
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
-
-\series bold
 a
 \backslash
 int
@@ -4206,16 +3907,7 @@ raisebox
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4256,16 +3948,7 @@ overline
 
 \backslash
 underline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4306,31 +3989,13 @@ underline
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 underline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4623,31 +4288,13 @@ Result
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,
 \backslash
 dots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,A_n
@@ -4674,31 +4321,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
 \backslash
 dots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +A_n
@@ -4725,31 +4354,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,
 \backslash
 ldots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,A_n
@@ -4776,31 +4387,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
 \backslash
 cdots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +A_n
@@ -5101,16 +4694,7 @@ For example the command
 A
 \backslash
 dotfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -5473,16 +5057,7 @@ raisebox
 
 \backslash
 bmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -5522,16 +5097,7 @@ matrix
 
 \backslash
 Bmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -5571,16 +5137,7 @@ matrix
 
 \backslash
 pmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -5654,16 +5211,7 @@ Result
 
 \backslash
 vmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -5703,16 +5251,7 @@ matrix
 
 \backslash
 Vmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -5752,16 +5291,7 @@ matrix
 
 \backslash
 matrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -6699,16 +6229,7 @@ For the second formula the command
 Big((A+B)(A-B)
 \backslash
 Big)^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
@@ -6737,16 +6258,7 @@ big{
 ln(3x)
 \backslash
 big}^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6754,29 +6266,11 @@ spce
 sin(x)
 \backslash
 Big]^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6927,23 +6421,10 @@ bigm(
 ln(3x)
 \backslash
 bigm)^2
-\series bold
-
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\series default
-
 \backslash
 Bigm)
 \end_layout
@@ -6977,23 +6458,10 @@ big(
 ln(3x)
 \backslash
 big)^2
-\series bold
-
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\series default
-
 \backslash
 Big)
 \end_layout
@@ -7027,23 +6495,10 @@ bigl(
 ln(3x)
 \backslash
 bigr)^2
-\series bold
-
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\series default
-
 \backslash
 Bigr)
 \end_layout
@@ -7190,16 +6645,7 @@ normal bracket: The command
 ln(
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7207,16 +6653,7 @@ A
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 )
@@ -7243,16 +6680,7 @@ ln
 left(
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7260,16 +6688,7 @@ A
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7325,16 +6744,7 @@ ln Alt+M
 (
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7353,16 +6763,7 @@ To omit a left or right bracket, a dot is inserted for the omitted bracket.
 left.
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7370,16 +6771,7 @@ A
 \end_inset
 
 B
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7542,45 +6934,14 @@ raisebox{2.3mm}{
 
 \backslash
 overbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
-^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
-\end_inset
-
-3
+^v3
 \begin_inset ERT
 status collapsed
 
@@ -7641,29 +7002,11 @@ raisebox{-2.2mm}{
 
 \backslash
 underbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _5
@@ -7715,96 +7058,33 @@ underbrace
 
 \backslash
 overbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 underbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B_w
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _7
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
@@ -9007,16 +8287,7 @@ raisebox
 F(a)
 \backslash
 xleftarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=a
@@ -9053,16 +8324,7 @@ F(x)
 F(x)
 \backslash
 xrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=a
@@ -9650,16 +8912,7 @@ raisebox
 
 \backslash
 dot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9688,16 +8941,7 @@ A
 
 \backslash
 ddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9726,16 +8970,7 @@ A
 
 \backslash
 dddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9764,16 +8999,7 @@ A
 
 \backslash
 ddddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9802,16 +9028,7 @@ A
 
 \backslash
 vec
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9850,16 +9067,7 @@ Vectors
 
 \backslash
 bar
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9888,16 +9096,7 @@ A
 
 \backslash
 mathring
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9960,16 +9159,7 @@ Result
 
 \backslash
 tilde
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9998,16 +9188,7 @@ A
 
 \backslash
 hat
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10036,16 +9217,7 @@ A
 
 \backslash
 check
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10074,16 +9246,7 @@ A
 
 \backslash
 acute
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10112,16 +9275,7 @@ A
 
 \backslash
 grave
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10150,16 +9304,7 @@ A
 
 \backslash
 breve
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10331,16 +9476,7 @@ i
 
 \backslash
 ddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 i
@@ -10471,16 +9607,7 @@ raisebox
 
 \backslash
 overleftarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10509,16 +9636,7 @@ A=B
 
 \backslash
 underleftarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10547,16 +9665,7 @@ A=B
 
 \backslash
 overleftrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10585,16 +9694,7 @@ A=B
 
 \backslash
 underleftrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10657,16 +9757,7 @@ Result
 
 \backslash
 overrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10695,16 +9786,7 @@ A=B
 
 \backslash
 underrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10733,16 +9815,7 @@ A=B
 
 \backslash
 widetilde
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10771,16 +9844,7 @@ A=B
 
 \backslash
 widehat
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10885,16 +9949,7 @@ underset
 
 \backslash
 underset
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10979,16 +10034,7 @@ arg   "command-alternatives space-insert protected ; math-space"
 
 \color blue
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11460,16 +10506,7 @@ raisebox
 sum
 \backslash
 sum
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
@@ -11502,16 +10539,7 @@ sum
 negmedspace
 \backslash
 sum
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
@@ -11845,16 +10873,7 @@ hspace
 
 \color blue
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11871,16 +10890,7 @@ spce
 
 \color blue
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11956,16 +10966,7 @@ Result
 A=B
 \backslash
 hspace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12004,16 +11005,7 @@ cm)
 A
 \backslash
 hspace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12052,16 +11044,7 @@ mm)
 A=A
 \backslash
 hfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B=B
@@ -12658,16 +11641,7 @@ raisebox
 
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12677,16 +11651,7 @@ Ctrl+M
  
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -12715,31 +11680,13 @@ A=B
 
 \backslash
 boxed
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -12768,16 +11715,7 @@ A=B
 A+
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -12806,16 +11744,7 @@ B
 
 \backslash
 framebox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 20mm
@@ -12833,16 +11762,7 @@ Ctrl+M
  
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -13307,16 +12227,7 @@ Ctrl+M
  
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B 
@@ -13657,16 +12568,7 @@ colorbox{green
 {
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -13695,16 +12597,7 @@ A=B
 
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -13726,16 +12619,7 @@ Ctrl+M
  
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C=D
@@ -15974,16 +14858,7 @@ raisebox
 prod^
 \backslash
 infty
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16176,16 +15051,7 @@ sum
 ^
 \series bold
 n
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
@@ -16197,16 +15063,7 @@ _
 
 \backslash
 subarray
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16256,16 +15113,7 @@ Rows &Columns
 
 \backslash
 hfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16408,16 +15256,7 @@ sum_
 mathclap{
 \backslash
 substack
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 0<k<1000 Ctrl+Return
@@ -16580,16 +15419,7 @@ sideset{
 
 \backslash
 sum_k=1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16647,31 +15477,13 @@ underset
 
 \backslash
 overset
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18071,16 +16883,7 @@ negmedspace
 sum
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18092,16 +16895,7 @@ spce
 ^N
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18199,16 +16993,7 @@ shortcut
 mathbb
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18255,16 +17040,7 @@ arg   "font-noun"
 mathbf
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18311,16 +17087,7 @@ arg   "font-bold"
 boldsymbol
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18367,16 +17134,7 @@ arg   "font-boldsymbol"
 mathcal
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18423,16 +17181,7 @@ arg   "font-emph"
 mathfrak
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18474,16 +17223,7 @@ AbC
 mathscr
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18569,16 +17309,7 @@ shortcut
 mathit
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18620,16 +17351,7 @@ AbC
 mathrm
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18676,16 +17398,7 @@ arg   "font-roman"
 mathsf
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18732,16 +17445,7 @@ arg   "font-sans"
 mathtt
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -19545,61 +18249,25 @@ huge
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A Alt+M M 
 \backslash
 Large
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -19626,46 +18294,19 @@ Alt+M
 M 
 \backslash
 tiny
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -24795,16 +23436,7 @@ raisebox
 A(r)
 \backslash
 stackrel
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 r
@@ -24812,16 +23444,7 @@ r
 to
 \backslash
 infty
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -24831,29 +23454,11 @@ spce
 
 \backslash
 approx
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -25951,29 +24556,11 @@ raisebox
 lim_x
 \backslash
 to
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=B
@@ -26033,10 +24620,10 @@ The modulo-function is special, because it exists in four variants.
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{Command}\raisebox{-0.9mm}{}} &  & \underline{\textrm{Result}}\\
-\mathrm{a\backslash mod\textrm{\spce}b} &  & a\mod b\\
-\mathrm{a\backslash pmod\textrm{\spce}b} &  & a\pmod b\\
-\mathrm{a\backslash bmod\textrm{\spce}b} &  & a\bmod b\\
-\mathrm{a\backslash pod\textrm{\spce}b} &  & a\pod b
+\mathrm{a\backslash mod\textrm{\textvisiblespace}b} &  & a\mod b\\
+\mathrm{a\backslash pmod\textrm{\textvisiblespace}b} &  & a\pmod b\\
+\mathrm{a\backslash bmod\textrm{\textvisiblespace}b} &  & a\bmod b\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}b} &  & a\pod b
 \end{align*}
 
 \end_inset
@@ -26053,7 +24640,7 @@ In an inline formula less space is set before the function names for all
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{Command}\raisebox{-0.9mm}{}} &  & \underline{\textrm{Result}}\\
-\mathrm{a\backslash pod\textrm{\spce}bcd} &  & a\pod bcd\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}bcd} &  & a\pod bcd\\
 \mathrm{a\backslash pod\backslash\{bc\to d} &  & a\pod{bc}d
 \end{align*}
 
@@ -26476,16 +25063,7 @@ L
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -26517,16 +25095,7 @@ spce
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -26760,16 +25329,7 @@ status collapsed
 
 \backslash
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26841,16 +25401,7 @@ status collapsed
 
 \backslash
 u
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26888,16 +25439,7 @@ u e
 
 \backslash
 b
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26935,16 +25477,7 @@ b e
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ee
@@ -27016,16 +25549,7 @@ Result
 
 \backslash
 H
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27175,16 +25699,7 @@ status collapsed
 
 \backslash
 v
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27222,16 +25737,7 @@ v e
 
 \backslash
 d
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27269,16 +25775,7 @@ d e
 
 \backslash
 c
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27335,16 +25832,7 @@ t
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 sz
@@ -28781,16 +27269,7 @@ left.
 vphantom
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -28800,16 +27279,7 @@ spce
 prod
 \series default
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -28819,16 +27289,7 @@ spce
 infty
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -30471,16 +28932,7 @@ In this example the command
 
 \backslash
 tag
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 something
@@ -30494,16 +28946,7 @@ When the command
 
 \backslash
 tag*
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 something
@@ -31686,16 +30129,7 @@ raisebox
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 H2CO3
@@ -31724,16 +30158,7 @@ H2CO3
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 SO4^2-
@@ -31762,16 +30187,7 @@ SO4^2-
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 (NH4)2S
@@ -31800,16 +30216,7 @@ spce
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 KCr(SO4)2.12H2O
@@ -31838,46 +30245,19 @@ KCr(SO4)2.12H2O
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
 \backslash
 dbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
 \backslash
 tbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 D
@@ -31906,16 +30286,7 @@ D
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^227
@@ -31952,68 +30323,23 @@ Th+
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 <=>
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO
@@ -32042,55 +30368,19 @@ spce
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ->[
@@ -32098,16 +30388,7 @@ spce
 alpha][
 \backslash
 beta]
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO}
@@ -32268,81 +30549,27 @@ reference "eq:chem-reaction"
  
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2Na+
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 SO4^2-
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ->
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 Na2SO4
@@ -32612,16 +30839,7 @@ The command for this is:
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A@>j>>B@>>k>C@=F Ctrl+Return
@@ -32638,16 +30856,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -32679,16 +30888,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -33278,16 +31478,7 @@ raisebox
 A
 \backslash
 gr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -33355,16 +31546,7 @@ fb{[2cm]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -33401,16 +31583,7 @@ cb{red
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -33449,16 +31622,7 @@ cb[green]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35559,16 +33723,7 @@ raisebox
 cancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35599,16 +33754,7 @@ A=B
 bcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35639,16 +33785,7 @@ A=B
 xcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35685,16 +33822,7 @@ cancelto{1
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -37262,16 +35390,7 @@ Fourier
 
 \backslash
 mathscr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
diff --git a/lib/doc/UserGuide.lyx b/lib/doc/UserGuide.lyx
index 2b0b963994..1b7862efbc 100644
--- a/lib/doc/UserGuide.lyx
+++ b/lib/doc/UserGuide.lyx
@@ -33,9 +33,6 @@
   \myTOC
   \mainmatter }
 
-% define a short command for \textvisiblespace
-\newcommand{\spce}{\textvisiblespace}
-
 % macro for italic page numbers in the index
 \newcommand{\IndexDef}[1]{\textit{#1}}
 
@@ -22345,33 +22342,13 @@ Space
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \begin_inset Quotes erd
 \end_inset
 
-
-\begin_inset Note Note
-status collapsed
-
-\begin_layout Plain Layout
-This command will appear in the output as an official character denoting
- the space character (visible space).
-\end_layout
-
-\end_inset
-
 , seems to do nothing in a formula, since it does not add a space between
  characters, but it does exit a nested structure.
  For this reason, you have to be careful about using 
@@ -22388,16 +22365,7 @@ Space
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2x+1
@@ -22407,29 +22375,11 @@ spce
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2x
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +1
@@ -22529,16 +22479,7 @@ arg   "math-subscript"
 , type in a formula 
 \series bold
 x^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -22564,16 +22505,7 @@ x^2y
 , type 
 \series bold
 x^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 y
@@ -22600,16 +22532,7 @@ Space
 , type 
 \series bold
 x^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 a
@@ -22622,16 +22545,7 @@ a
 , type 
 \series bold
 a_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -23213,16 +23127,7 @@ In a formula you can insert accented characters in the same way as in text
 
 \backslash
 hat
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 a
@@ -35311,6 +35216,23 @@ Breakable
 
 Slash Inserts a slash where a line break can also occur: \SpecialChar \slash{}
 
+\end_layout
+
+\begin_layout Description
+Visible
+\begin_inset space ~
+\end_inset
+
+Space Inserts a character representing a single space (the one you get when
+ pressing the 
+\family sans
+Space
+\family default
+ key): 
+\begin_inset space \textvisiblespace{}
+\end_inset
+
+
 \end_layout
 
 \begin_layout Description
diff --git a/lib/doc/de/Math.lyx b/lib/doc/de/Math.lyx
index 063e0db08e..741da325fa 100644
--- a/lib/doc/de/Math.lyx
+++ b/lib/doc/de/Math.lyx
@@ -85,8 +85,6 @@
 \DeclareMathOperator*{\Raute}{\blacklozenge}
 \DeclareMathOperator{\sgn}{sgn}
 
-\newcommand{\leer}{\textvisiblespace}
-
 % Beispielbefehle aus Kap. 20.1 
 \newcommand{\gr}{\Longrightarrow}
 \newcommand{\us}[1]{\underline{#1}}
@@ -967,52 +965,11 @@ Zeichenerklärung
 \end_layout
 
 \begin_layout Itemize
-Das Symbol
-\begin_inset Foot
-status collapsed
-
-\begin_layout Plain Layout
-Dieses sichtbare Leerzeichen erhält man über den Befehl 
-\series bold
-
-\backslash
-textvisiblespace
-\series default
-
-\begin_inset Index idx
-status collapsed
-
-\begin_layout Plain Layout
-Befehle ! T ! 
-\backslash
-textvisiblespace
-\end_layout
-
+Das Symbol 
+\begin_inset space \textvisiblespace{}
 \end_inset
 
-, der im TeX-Modus einzugeben ist.
-\end_layout
-
-\end_inset
-
- 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
-\end_inset
-
-
-\begin_inset space ~
-\end_inset
-
-steht für ein einzugebendes Leerzeichen.
+ steht für ein einzugebendes Leerzeichen.
 \end_layout
 
 \begin_layout Itemize
@@ -1657,16 +1614,7 @@ B^V
 
 \begin_layout Plain Layout
 B^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1893,16 +1841,7 @@ raisebox
 
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1935,16 +1874,7 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1977,31 +1907,13 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e^
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -2093,16 +2005,7 @@ Der Befehl für obiges Beispiel lautet:
 
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2112,31 +2015,13 @@ A
 B+
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C+
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 E
@@ -2500,16 +2385,7 @@ raisebox
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
@@ -2538,16 +2414,7 @@ A-B
 
 \backslash
 root
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 3
@@ -2695,16 +2562,7 @@ uproot{2
 
 \backslash
 beta
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -2904,16 +2762,7 @@ raisebox
 
 \backslash
 binom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2946,16 +2795,7 @@ B
 
 \backslash
 dbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2988,16 +2828,7 @@ B
 
 \backslash
 tbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3030,16 +2861,7 @@ B
 
 \backslash
 brack
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3072,16 +2894,7 @@ B
 
 \backslash
 brace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3162,16 +2975,7 @@ Ergebnis
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3217,16 +3021,7 @@ A & B>0\end{cases}$
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 Strg+Enter
@@ -3769,31 +3564,13 @@ raisebox
 
 \begin_layout Plain Layout
 ^19
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -3801,16 +3578,7 @@ leer
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3837,31 +3605,13 @@ F
 
 \begin_layout Plain Layout
 ^235
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 23
@@ -3869,16 +3619,7 @@ leer
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3907,31 +3648,13 @@ F
 
 \backslash
 Lambda^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ii
@@ -3939,16 +3662,7 @@ ii
 \end_inset
 
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _MMt
@@ -4062,16 +3776,7 @@ Zum Beispiel erzeugt
 vphantom
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -4218,16 +3923,7 @@ raisebox
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4268,16 +3964,7 @@ overline
 
 \backslash
 underline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4318,31 +4005,13 @@ underline
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
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 A+B
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 \begin_layout Plain Layout
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 ,
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 ,A_n
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 +A_n
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 ,
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 ,A_n
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 \begin_layout Plain Layout
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 B
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 \backslash
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 2
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 2
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 2
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 2
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 2
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 2
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 \backslash
 Big)^
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 C
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 A
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@@ -6952,16 +6450,7 @@ bigm(
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 big)^2
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 frac
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 A
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 C
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 )
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 A
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 A
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 A
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 3
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 underbrace
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 A+B_w
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 _7
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 C
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 xleftarrow
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 x=a
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 x=a
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 dot
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 A
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 \backslash
 ddot
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 A
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 A
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 \backslash
 ddddot
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 A
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 \backslash
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 A
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 \backslash
 bar
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 A
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 \backslash
 mathring
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 A
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 \backslash
 tilde
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 A
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 \backslash
 hat
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 A
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 A
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 A
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 \backslash
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 A
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 \backslash
 breve
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 A
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 \backslash
 ddot
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 i
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 \backslash
 overleftarrow
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 A=B
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 \backslash
 underleftarrow
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 A=B
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 \backslash
 overleftrightarrow
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 A=B
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 \backslash
 underleftrightarrow
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 A=B
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 \backslash
 overrightarrow
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 A=B
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 \backslash
 underrightarrow
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 A=B
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 \backslash
 widetilde
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-leer 
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 A=B
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 \backslash
 widehat
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 A=B
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 \backslash
 underset
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 A=B
@@ -10972,16 +10047,7 @@ Ab und an ist es notwendig in einer Formel horizontalen Leerraum einzufügen.
 
 \color blue
 
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 sum
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 sum
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-leer 
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+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
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 negmedspace
 \backslash
 sum
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-
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+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
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 \color blue
 
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@@ -11857,16 +10896,7 @@ leer
 
 \color blue
 
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@@ -12013,16 +11043,7 @@ mm)
 A=A
 \backslash
 hfill
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-leer 
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 B=B
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 \backslash
 fbox
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-
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-leer 
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 \end_inset
 
 
@@ -12633,16 +11645,7 @@ Strg+M
  
 \backslash
 int
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-leer 
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+\begin_inset space \textvisiblespace{}
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 A=B
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 \backslash
 boxed
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 \backslash
 int
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 A=B
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 A+
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 fbox
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 B
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 \backslash
 framebox
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 \end_inset
 
 20mm
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 \backslash
 frac
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-leer 
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+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -13259,16 +12217,7 @@ Strg+M Strg+M
  
 \backslash
 sqrt
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-leer 
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 B 
@@ -13614,16 +12563,7 @@ colorbox{green
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 \backslash
 fbox
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-leer 
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 A=B
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 \backslash
 fbox
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-leer 
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 \end_inset
 
 
@@ -13679,16 +12610,7 @@ Strg+M Strg+M
  
 \backslash
 int
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-leer 
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+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C=D
@@ -15946,16 +14868,7 @@ raisebox
 prod^
 \backslash
 infty
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-leer 
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+\begin_inset space \textvisiblespace{}
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@@ -16148,16 +15061,7 @@ sum
 ^
 \series bold
 n
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-leer 
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+\begin_inset space \textvisiblespace{}
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 _
@@ -16169,16 +15073,7 @@ _
 
 \backslash
 subarray
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-leer 
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+\begin_inset space \textvisiblespace{}
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@@ -16222,16 +15117,7 @@ Zeilen & Spalten
 
 \backslash
 hfill
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@@ -16374,16 +15260,7 @@ sum_
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 \backslash
 substack
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-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 0<k<1000 Strg+Enter
@@ -16566,16 +15443,7 @@ sideset{
 
 \backslash
 sum_k=1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16638,31 +15506,13 @@ underset
 
 \backslash
 overset
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18068,16 +16918,7 @@ negmedspace
 sum
 \series default
 
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-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18089,16 +16930,7 @@ leer
 ^N
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18204,16 +17036,7 @@ Tastenkürzel
 mathbb
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18255,16 +17078,7 @@ Alt+Z K
 mathbf
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18306,16 +17120,7 @@ Strg+B
 boldsymbol
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18357,16 +17162,7 @@ Alt+Z F oder Strg+Alt+B
 mathcal
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18408,16 +17204,7 @@ Alt+Z H
 mathfrak
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18459,16 +17246,7 @@ AbC
 mathscr
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18554,16 +17332,7 @@ Tastenkürzel
 mathit
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18605,16 +17374,7 @@ AbC
 mathrm
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18656,16 +17416,7 @@ Alt+Z R
 mathsf
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18707,16 +17458,7 @@ Alt+Z S
 mathtt
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -19522,61 +18264,25 @@ huge
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A M-m m 
 \backslash
 Large
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -19603,46 +18309,19 @@ M-m
 m 
 \backslash
 tiny
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -24813,16 +23492,7 @@ raisebox
 A(r)
 \backslash
 stackrel
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 r
@@ -24830,16 +23500,7 @@ r
 to
 \backslash
 infty
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -24849,29 +23510,11 @@ leer
 
 \backslash
 approx
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -25976,29 +24619,11 @@ raisebox
 lim_x
 \backslash
 to
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=B
@@ -26062,10 +24687,10 @@ Die Varianten in einer abgesetzten Formel:
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{Befehl}\raisebox{-0.9mm}{}} &  & \underline{\textrm{Ergebnis}}\\
-\mathrm{a\backslash mod\textrm{\leer}b} &  & a\mod b\\
-\mathrm{a\backslash pmod\textrm{\leer}b} &  & a\pmod b\\
-\mathrm{a\backslash bmod\textrm{\leer}b} &  & a\bmod b\\
-\mathrm{a\backslash pod\textrm{\leer}b} &  & a\pod b
+\mathrm{a\backslash mod\textrm{\textvisiblespace}b} &  & a\mod b\\
+\mathrm{a\backslash pmod\textrm{\textvisiblespace}b} &  & a\pmod b\\
+\mathrm{a\backslash bmod\textrm{\textvisiblespace}b} &  & a\bmod b\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}b} &  & a\pod b
 \end{align*}
 
 \end_inset
@@ -26081,7 +24706,7 @@ In einer eingebetteten Formel wird bei allen Varianten vor den Funktionsnamen
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{Befehl}\raisebox{-0.9mm}{}} &  & \underline{\textrm{Ergebnis}}\\
-\mathrm{a\backslash pod\textrm{\leer}bcd} &  & a\pod bcd\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}bcd} &  & a\pod bcd\\
 \mathrm{a\backslash pod\backslash\{bc\to d} &  & a\pod{bc}d
 \end{align*}
 
@@ -26508,16 +25133,7 @@ L
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -26549,16 +25165,7 @@ leer
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -26792,16 +25399,7 @@ status collapsed
 
 \backslash
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26873,16 +25471,7 @@ status collapsed
 
 \backslash
 u
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26920,16 +25509,7 @@ u e
 
 \backslash
 b
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26967,16 +25547,7 @@ b e
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ee
@@ -27048,16 +25619,7 @@ Ergebnis
 
 \backslash
 H
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27207,16 +25769,7 @@ status collapsed
 
 \backslash
 v
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27254,16 +25807,7 @@ v e
 
 \backslash
 d
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27301,16 +25845,7 @@ d e
 
 \backslash
 c
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27367,16 +25902,7 @@ t
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 sz
@@ -28808,16 +27334,7 @@ left.
 vphantom
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -28827,16 +27344,7 @@ leer
 prod
 \series default
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -28846,16 +27354,7 @@ leer
 infty
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -30519,16 +29018,7 @@ A+B=C\tag{etwas}\label{eq:tag}
 tag
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -30546,16 +29036,7 @@ Gibt man stattdessen
 tag*
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -31765,16 +30246,7 @@ raisebox
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 H2CO3
@@ -31803,16 +30275,7 @@ H2CO3
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 SO4^2-
@@ -31841,16 +30304,7 @@ SO4^2-
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 (NH4)2S
@@ -31879,16 +30333,7 @@ leer
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 KCr(SO4)2.12H2O
@@ -31917,46 +30362,19 @@ KCr(SO4)2.12H2O
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
 \backslash
 dbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
 \backslash
 tbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 D
@@ -31985,16 +30403,7 @@ D
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^227
@@ -32031,68 +30440,23 @@ Th+
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 <=>
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO
@@ -32121,55 +30485,19 @@ leer
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ->[
@@ -32177,16 +30505,7 @@ leer
 alpha][
 \backslash
 beta]
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO}
@@ -32343,16 +30662,7 @@ reference "eq:chemische-Reaktion"
 ce
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -32360,16 +30670,7 @@ leer
 2Na+
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -32377,16 +30678,7 @@ leer
 +
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -32394,29 +30686,11 @@ leer
 SO4^2-
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -32424,16 +30698,7 @@ leer
 ->
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -32747,16 +31012,7 @@ Der Befehl dazu lautet:
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A@>j>>B@>>k>C@=F Strg+Enter
@@ -32773,16 +31029,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -32814,16 +31061,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -33415,16 +31653,7 @@ raisebox
 A
 \backslash
 gr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -33492,16 +31721,7 @@ fb{[2cm]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -33538,16 +31758,7 @@ cb{red
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -33586,16 +31797,7 @@ cb[green]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35626,16 +33828,7 @@ raisebox
 cancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35666,16 +33859,7 @@ A=B
 bcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35706,16 +33890,7 @@ A=B
 xcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35752,16 +33927,7 @@ cancelto{1
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -37322,16 +35488,7 @@ Fourier
 
 \backslash
 mathscr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
diff --git a/lib/doc/de/UserGuide.lyx b/lib/doc/de/UserGuide.lyx
index 15931a2ed7..4c0fa3ab26 100644
--- a/lib/doc/de/UserGuide.lyx
+++ b/lib/doc/de/UserGuide.lyx
@@ -36,9 +36,6 @@
 % Damit der Index den Namen "Stichwortverzeichnis" erhält
 \addto\captionsngerman{\renewcommand{\indexname}{Stichwortverzeichnis}}
 
-% define a short command for \textvisiblespace
-\newcommand{\leer}{\textvisiblespace}
-
 % macro for italic page numbers in the index
 \newcommand{\IndexDef}[1]{\textit{#1}}
 
@@ -22831,7 +22828,19 @@ Die
 \family sans
 Leertaste
 \family default
- scheint nichts innerhalb von Formeln zu bewirken, weil sie wirklich keinen
+, in diesem Dokument als 
+\begin_inset Quotes gld
+\end_inset
+
+
+\begin_inset space \textvisiblespace{}
+\end_inset
+
+
+\begin_inset Quotes grd
+\end_inset
+
+ gedruckt, scheint nichts innerhalb von Formeln zu bewirken, weil sie keinen
  Zwischenraum zwischen Zeichen hinzufügt, aber sie verlässt eine geschachtelte
  Struktur.
  Deshalb muss man mit der 
@@ -22851,16 +22860,7 @@ Wenn man zum Beispiel
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2x+1 
@@ -22870,42 +22870,15 @@ eingeben und nicht
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2x
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -22922,64 +22895,6 @@ leer
 \begin_inset Formula $\sqrt{2x}+1$
 \end_inset
 
-.
- Diejenigen, die es gewohnt sind, Ausdrücke auf diese Weise mit Zwischenräumen
- zu versehen, müssen ein wenig umlernen.
-\end_layout
-
-\begin_layout Standard
-Da wir über die 
-\family sans
-Leertaste
-\family default
- sprechen: es mag sein, dass Sie Leerzeichen erzeugen wollen, die über das
- hinausgehen, was LaTeX normalerweise erzeugt.
- Wir empfehlen das natürlich nicht, weil das WYSIWYM-Prinzip bedeutet, dass
- Sie nicht über den Schriftsatz nachdenken sollen, sondern über den Inhalt.
- Es mag aber Situationen geben, in denen Sie wirklich Leerzeichen hinzufügen
- wollen.
-\end_layout
-
-\begin_layout Standard
-Das kann man mit 
-\family sans
-Strg+Leertaste
-\family default
- machen.
- Das erzeugt einen kleinen Zwischenraum und zeigt ihn auf dem Bildschirm
- wie eine auf dem Rücken liegende eckige rote Klammer an: 
-\begin_inset Formula $a\text{{\color{red}\leer}}b$
-\end_inset
-
-.
- Gedruckt sieht das so aus: 
-\begin_inset Formula $a\, b$
-\end_inset
-
-.
- Mit dem nächstes Trick ändert man die Größe.
- 
-\emph on
-Bevor
-\emph default
- Sie nach 
-\family sans
-Strg+Leertaste
-\family default
- den Cursor bewegen, drücken Sie die 
-\family sans
-Leertaste
-\family default
- erneut ein- oder mehrere Male, das vergrößert den Zwischenraum auf unterschiedl
-iche Größen: 
-\begin_inset Formula $a\quad b$
-\end_inset
-
-.
- Als letztes gibt es den roten, negativen Zwischenraum: 
-\begin_inset Formula $a\! b$
-\end_inset
-
 .
 \end_layout
 
@@ -23085,16 +23000,7 @@ arg   "math-subscript"
  zu erhalten, geben Sie 
 \series bold
 x^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -23120,16 +23026,7 @@ x^2y
  zu erhalten, müssen Sie 
 \series bold
 x^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 y
@@ -23160,16 +23057,7 @@ B.
  haben wollen, geben Sie 
 \series bold
 x^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 a
@@ -23182,16 +23070,7 @@ a
  zu erhalten, müssen Sie in eine Formel 
 \series bold
 a_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-leer 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -35819,6 +35698,23 @@ Umbruchfähiger
 Schrägstrich Fügt einen Schrägstrich ein, an dessen Stelle ein Zeilenumbruch
  möglich ist: \SpecialChar \slash{}
 
+\end_layout
+
+\begin_layout Description
+Sichtbares
+\begin_inset space ~
+\end_inset
+
+Leerzeichen Fügt ein Zeichen ein, das ein Leerzeichen repräsentiert (das
+ man erhält wenn man die Taste 
+\family sans
+Leertaste
+\family default
+ drückt): 
+\begin_inset space \textvisiblespace{}
+\end_inset
+
+
 \end_layout
 
 \begin_layout Description
diff --git a/lib/doc/es/Math.lyx b/lib/doc/es/Math.lyx
index c937a61afe..6857a77f4d 100644
--- a/lib/doc/es/Math.lyx
+++ b/lib/doc/es/Math.lyx
@@ -85,8 +85,6 @@
 \DeclareMathOperator*{\Lozenge}{\blacklozenge}
 \DeclareMathOperator{\sgn}{sgn}
 
-\newcommand{\spce}{\textvisiblespace}
-
 % example definitions for sec. 20.1 
 \newcommand{\gr}{\Longrightarrow}
 \newcommand{\us}[1]{\underline{#1}}
@@ -913,44 +911,7 @@ Explicación de la sintaxis
 
 \begin_layout Itemize
 El símbolo 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
-\end_inset
-
-
-\begin_inset Foot
-status collapsed
-
-\begin_layout Plain Layout
-Este carácter, espacio visible, se puede componer con el comando 
-\series bold
-
-\backslash
-textvisiblespace
-\series default
-
-\begin_inset Index idx
-status collapsed
-
-\begin_layout Plain Layout
-Comandos ! T ! 
-\backslash
-textvisiblespace
-\end_layout
-
-\end_inset
-
- insertado en código TeX.
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
  indica que hay que teclear un espacio.
@@ -1625,16 +1586,7 @@ B^V
 
 \begin_layout Plain Layout
 B^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1868,16 +1820,7 @@ raisebox
 
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1910,16 +1853,7 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1952,31 +1886,13 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e^
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -2065,16 +1981,7 @@ El comando para el ejemplo de arriba es:
 
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2084,31 +1991,13 @@ A
 B+
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C+
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 E
@@ -2455,16 +2344,7 @@ raisebox
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
@@ -2493,16 +2373,7 @@ A-B
 
 \backslash
 root
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 3
@@ -2650,16 +2521,7 @@ uproot{2
 
 \backslash
 beta
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -2855,16 +2717,7 @@ raisebox
 
 \backslash
 binom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2897,16 +2750,7 @@ B
 
 \backslash
 dbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2939,16 +2783,7 @@ B
 
 \backslash
 tbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2981,16 +2816,7 @@ B
 
 \backslash
 brack
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3023,16 +2849,7 @@ B
 
 \backslash
 brace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3118,16 +2935,7 @@ Resultado
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3173,16 +2981,7 @@ A & B>0\end{cases}$
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -3714,31 +3513,13 @@ raisebox
 
 \begin_layout Plain Layout
 ^19
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -3746,16 +3527,7 @@ spce
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3782,31 +3554,13 @@ F
 
 \begin_layout Plain Layout
 ^235
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 23
@@ -3814,16 +3568,7 @@ spce
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3852,31 +3597,13 @@ F
 
 \backslash
 Lambda^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ii
@@ -3884,16 +3611,7 @@ ii
 \end_inset
 
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _MMt
@@ -4007,16 +3725,7 @@ Por ejemplo,
 vphantom
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -4164,16 +3873,7 @@ raisebox
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4214,16 +3914,7 @@ overline
 
 \backslash
 underline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4264,31 +3955,13 @@ underline
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 underline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4584,31 +4257,13 @@ Resultado
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,
 \backslash
 dots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,A_n
@@ -4635,31 +4290,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
 \backslash
 dots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +A_n
@@ -4686,31 +4323,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,
 \backslash
 ldots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,A_n
@@ -4737,31 +4356,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
 \backslash
 cdots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +A_n
@@ -5068,16 +4669,7 @@ A
 dotfill
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -5443,16 +5035,7 @@ raisebox
 
 \backslash
 bmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -5492,16 +5075,7 @@ matriz
 
 \backslash
 Bmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2×2
@@ -5537,16 +5111,7 @@ matriz
 
 \backslash
 pmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -5636,16 +5201,7 @@ raisebox
 
 \backslash
 vmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -5685,16 +5241,7 @@ matriz
 
 \backslash
 Vmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -5734,16 +5281,7 @@ matriz
 
 \backslash
 matrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2
@@ -6673,16 +6211,7 @@ Big((A+B)(A-B)
 Big)^
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6714,16 +6243,7 @@ big{
 ln(3x)
 \backslash
 big}^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6731,29 +6251,11 @@ spce
 sen(x)
 \backslash
 Big]^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6907,16 +6409,7 @@ ln(3x)
 bigm)^2
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6957,16 +6450,7 @@ ln(3x)
 big)^2
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7007,16 +6491,7 @@ ln(3x)
 bigr)^2
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7172,16 +6647,7 @@ ln(
 frac
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7193,16 +6659,7 @@ A
 C
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7234,16 +6691,7 @@ left(
 frac
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7255,16 +6703,7 @@ A
 C
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7323,16 +6762,7 @@ ln Alt+M
 (
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7353,16 +6783,7 @@ left.
 frac
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7374,16 +6795,7 @@ A
 B
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7556,42 +6968,15 @@ raisebox{2.3mm}{
 
 \backslash
 overbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 3
@@ -7655,29 +7040,11 @@ raisebox{-2.2mm}{
 
 \backslash
 underbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _5
@@ -7729,96 +7096,33 @@ underbrace
 
 \backslash
 overbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 underbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B_w
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _7
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
@@ -9037,16 +8341,7 @@ raisebox
 F(a)
 \backslash
 xleftarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=a
@@ -9083,16 +8378,7 @@ F(x)
 F(x)
 \backslash
 xrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=a
@@ -9697,16 +8983,7 @@ raisebox
 
 \backslash
 dot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9735,16 +9012,7 @@ A
 
 \backslash
 ddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9773,16 +9041,7 @@ A
 
 \backslash
 dddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9811,16 +9070,7 @@ A
 
 \backslash
 ddddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9849,16 +9099,7 @@ A
 
 \backslash
 vec
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9897,16 +9138,7 @@ Vectores
 
 \backslash
 bar
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9935,16 +9167,7 @@ A
 
 \backslash
 mathring
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10023,16 +9246,7 @@ raisebox
 
 \backslash
 tilde
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10061,16 +9275,7 @@ A
 
 \backslash
 hat
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10099,16 +9304,7 @@ A
 
 \backslash
 check
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10137,16 +9333,7 @@ A
 
 \backslash
 acute
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10175,16 +9362,7 @@ A
 
 \backslash
 grave
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10213,16 +9391,7 @@ A
 
 \backslash
 breve
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10421,16 +9590,7 @@ raisebox
 
 \backslash
 ddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 i
@@ -10556,16 +9716,7 @@ raisebox
 
 \backslash
 overleftarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10594,16 +9745,7 @@ A=B
 
 \backslash
 underleftarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10632,16 +9774,7 @@ A=B
 
 \backslash
 overleftrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10670,16 +9803,7 @@ A=B
 
 \backslash
 underleftrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10758,16 +9882,7 @@ raisebox
 
 \backslash
 overrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10796,16 +9911,7 @@ A=B
 
 \backslash
 underrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10834,16 +9940,7 @@ A=B
 
 \backslash
 widetilde
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10872,16 +9969,7 @@ A=B
 
 \backslash
 widehat
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10990,16 +10078,7 @@ underset
 
 \backslash
 underset
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -11075,16 +10154,7 @@ Ctrl+Espacio
 
 \color black
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11550,16 +10620,7 @@ raisebox
 sum
 \backslash
 sum
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
@@ -11592,16 +10653,7 @@ sum
 negmedspace
 \backslash
 sum
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
@@ -11938,16 +10990,7 @@ hspace
 
 \color black
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11964,16 +11007,7 @@ spce
 
 \color black
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12048,16 +11082,7 @@ Resultado
 A=B
 \backslash
 hspace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12096,16 +11121,7 @@ cm)
 A
 \backslash
 hspace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12144,16 +11160,7 @@ mm)
 A=A
 \backslash
 hfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B=B
@@ -12717,16 +11724,7 @@ raisebox
 
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12736,16 +11734,7 @@ Ctrl+M
  
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -12774,31 +11763,13 @@ A=B
 
 \backslash
 boxed
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -12827,16 +11798,7 @@ A=B
 A+
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -12865,16 +11827,7 @@ B
 
 \backslash
 framebox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 20mm
@@ -12892,16 +11845,7 @@ Ctrl+M
  
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -13363,16 +12307,7 @@ Ctrl+M Ctrl+M
  
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B 
@@ -13714,16 +12649,7 @@ colorbox{green
 {
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -13752,16 +12678,7 @@ A=B
 
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -13779,16 +12696,7 @@ Ctrl+M Ctrl+M
  
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C=D
@@ -16028,16 +14936,7 @@ raisebox
 prod^
 \backslash
 infty
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16222,16 +15121,7 @@ se ha hecho lo siguiente: primero se escribe el comando
 sum^n
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16247,16 +15137,7 @@ _
 subarray
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 .
@@ -16300,16 +15181,7 @@ Filas y columnas
 hfill
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
  al principio de la línea.
@@ -16451,16 +15323,7 @@ sum_
 mathclap{
 \backslash
 substack
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 0<k<1000 Ctrl+Entrar
@@ -16623,16 +15486,7 @@ sideset{
 
 \backslash
 sum_k=1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16640,16 +15494,7 @@ spce
 ^
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 n
@@ -16704,31 +15549,13 @@ underset
 
 \backslash
 overset
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18115,16 +16942,7 @@ negmedspace
 sum
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18136,16 +16954,7 @@ spce
 ^N
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18254,16 +17063,7 @@ atajo
 mathbb
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18307,16 +17107,7 @@ Alt+C C
 mathbf
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18360,16 +17151,7 @@ Ctrl+B
 boldsymbol
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18413,16 +17195,7 @@ Ctrl+Alt+B , Alt+C B
 mathcal
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18466,16 +17239,7 @@ Ctrl+E , Alt+C E
 mathfrak
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18517,16 +17281,7 @@ AbC
 mathscr
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18612,16 +17367,7 @@ atajo
 mathit
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18663,16 +17409,7 @@ AbC
 mathrm
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18716,16 +17453,7 @@ Alt+C R
 mathsf
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18769,16 +17497,7 @@ Alt+C S
 mathtt
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -19584,61 +18303,25 @@ huge
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A Alt+M M 
 \backslash
 Large
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -19661,46 +18344,19 @@ A
 Alt+M M 
 \backslash
 tiny
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -24866,16 +23522,7 @@ raisebox
 A(r)
 \backslash
 stackrel
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 r
@@ -24883,16 +23530,7 @@ r
 to
 \backslash
 infty
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -24902,29 +23540,11 @@ spce
 
 \backslash
 approx
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -26371,29 +24991,11 @@ raisebox
 lim_x
 \backslash
 to
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=B
@@ -26456,10 +25058,10 @@ En una ecuación presentada:
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{Comando}} &  & \underline{\textrm{Resultado}}\\
-\mathrm{a\backslash mod\textrm{\spce}b} &  & a\mod b\\
-\mathrm{a\backslash pmod\textrm{\spce}b} &  & a\pmod b\\
-\mathrm{a\backslash bmod\textrm{\spce}b} &  & a\bmod b\\
-\mathrm{a\backslash pod\textrm{\spce}b} &  & a\pod b
+\mathrm{a\backslash mod\textrm{\textvisiblespace}b} &  & a\mod b\\
+\mathrm{a\backslash pmod\textrm{\textvisiblespace}b} &  & a\pmod b\\
+\mathrm{a\backslash bmod\textrm{\textvisiblespace}b} &  & a\bmod b\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}b} &  & a\pod b
 \end{align*}
 
 \end_inset
@@ -26472,7 +25074,7 @@ En una ecuación en línea se pone menos espacio delante del nombre de la
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{Comando}\raisebox{-0.9mm}{}} &  & \underline{\textrm{Resultado}}\\
-\mathrm{a\backslash pod\textrm{\spce}bcd} &  & a\pod bcd\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}bcd} &  & a\pod bcd\\
 \mathrm{a\backslash pod\backslash\{bc\to d} &  & a\pod{bc}d
 \end{align*}
 
@@ -26897,16 +25499,7 @@ L
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -26938,16 +25531,7 @@ spce
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -27182,16 +25766,7 @@ status collapsed
 
 \backslash
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27263,16 +25838,7 @@ status collapsed
 
 \backslash
 u
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27310,16 +25876,7 @@ u e
 
 \backslash
 b
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27357,16 +25914,7 @@ b e
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ee
@@ -27438,16 +25986,7 @@ Resultado
 
 \backslash
 H
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27597,16 +26136,7 @@ status collapsed
 
 \backslash
 v
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27644,16 +26174,7 @@ v e
 
 \backslash
 d
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27691,16 +26212,7 @@ d e
 
 \backslash
 c
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27761,16 +26273,7 @@ t
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 sz
@@ -29209,16 +27712,7 @@ left.
 vphantom
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -29228,16 +27722,7 @@ spce
 prod
 \series default
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -29247,16 +27732,7 @@ spce
 infty
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -30891,16 +29367,7 @@ En este ejemplo se ha insertado el comando
  
 \backslash
 tag
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 algo
@@ -30914,16 +29381,7 @@ Si se usa en su lugar el comando con asterisco
 
 \backslash
 tag*
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 algo
@@ -32233,16 +30691,7 @@ raisebox
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 H2CO3
@@ -32271,16 +30720,7 @@ H2CO3
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 SO4^2-
@@ -32309,16 +30749,7 @@ SO4^2-
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 (NH4)2S
@@ -32347,16 +30778,7 @@ spce
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 KCr(SO4)2.12H2O
@@ -32385,46 +30807,19 @@ KCr(SO4)2.12H2O
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
 \backslash
 dbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
 \backslash
 tbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 D
@@ -32453,16 +30848,7 @@ D
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^227
@@ -32499,68 +30885,23 @@ Th+
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 <=>
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO
@@ -32589,55 +30930,19 @@ spce
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ->[
@@ -32645,16 +30950,7 @@ spce
 alpha][
 \backslash
 beta]
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO}
@@ -32791,81 +31087,27 @@ reference "eq:reaccion-quimica"
  
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2Na+
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 SO4^2-
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ->
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 Na2SO4
@@ -33210,16 +31452,7 @@ El comando para este diagrama es:
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A@>j>>B@>>k>C@=F Ctrl+Entrar
@@ -33236,16 +31469,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -33277,16 +31501,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -33864,16 +32079,7 @@ raisebox
 A
 \backslash
 gr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -33941,16 +32147,7 @@ fb{[2cm]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -33987,16 +32184,7 @@ cb{red
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -34035,16 +32223,7 @@ cb[green]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -36075,16 +34254,7 @@ raisebox
 cancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -36115,16 +34285,7 @@ A=B
 bcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -36155,16 +34316,7 @@ A=B
 xcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -36201,16 +34353,7 @@ cancelto{1
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -37776,16 +35919,7 @@ Fourier
 
 \backslash
 mathscr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
diff --git a/lib/doc/es/UserGuide.lyx b/lib/doc/es/UserGuide.lyx
index 14cd493f45..a69b24db6d 100644
--- a/lib/doc/es/UserGuide.lyx
+++ b/lib/doc/es/UserGuide.lyx
@@ -33,9 +33,6 @@
   \myTOC
   \mainmatter }
 
-% define a short command for \textvisiblespace
-\newcommand{\spce}{\textvisiblespace}
-
 % macro for italic page numbers in the index
 \newcommand{\IndexDef}[1]{\textit{#1}}
 
@@ -22778,33 +22775,13 @@ Espacio
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \begin_inset Quotes frd
 \end_inset
 
-
-\begin_inset Note Note
-status collapsed
-
-\begin_layout Plain Layout
-En la salida, este comando aparece como su carácter correspondiente, el
- que identifica un espacio (espacio visible).
-\end_layout
-
-\end_inset
-
 , parece que no hace nada en una ecuación, puesto que no añade espacio,
  pero sirve para salir de estructuras anidadas.
  Por esta razón debes tener cuidado con el uso de 
@@ -22821,16 +22798,7 @@ Espacio
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2x+1
@@ -22844,29 +22812,11 @@ spce
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2x
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +1
@@ -22965,16 +22915,7 @@ arg   "math-subscript"
 , teclea en una ecuación 
 \series bold
 x^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -23001,16 +22942,7 @@ x^2y
 , teclea 
 \series bold
 x^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 y
@@ -23037,16 +22969,7 @@ Espacio
  teclea 
 \series bold
 x^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 a
@@ -23087,16 +23010,7 @@ _
 , teclea 
 \series bold
 a_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -23764,16 +23678,7 @@ ej.,
 
 \backslash
 hat
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 a
@@ -35528,6 +35433,25 @@ oblicua
 frágil Inserta una barra oblicua donde también se puede producir un salto
  de línea: \SpecialChar \slash{}
 
+\end_layout
+
+\begin_layout Description
+
+\lang english
+Visible
+\begin_inset space ~
+\end_inset
+
+Space Inserts a character representing a single space (the one you get when
+ pressing the 
+\family sans
+Space
+\family default
+ key): 
+\begin_inset space \textvisiblespace{}
+\end_inset
+
+
 \end_layout
 
 \begin_layout Description
diff --git a/lib/doc/fr/Math.lyx b/lib/doc/fr/Math.lyx
index 3b893e04ea..4ad97ec51b 100644
--- a/lib/doc/fr/Math.lyx
+++ b/lib/doc/fr/Math.lyx
@@ -85,8 +85,6 @@
 \DeclareMathOperator*{\Losange}{\blacklozenge}
 \DeclareMathOperator{\sgn}{sgn}
 
-\newcommand{\spce}{\textvisiblespace}
-
 % example definitions for sec. 20.1 
 \newcommand{\gr}{\Longrightarrow}
 \newcommand{\us}[1]{\underline{#1}}
@@ -945,52 +943,11 @@ Explications sur la syntaxe
 \end_layout
 
 \begin_layout Itemize
-Le symbole
-\begin_inset Foot
-status collapsed
-
-\begin_layout Plain Layout
-Ce caractère espace visible peut être obtenu en utilisant la commande 
-\series bold
-
-\backslash
-textvisiblespace
-\series default
-
-\begin_inset Index idx
-status collapsed
-
-\begin_layout Plain Layout
-Commandes ! T ! 
-\backslash
-textvisiblespace
-\end_layout
-
+Le symbole 
+\begin_inset space \textvisiblespace{}
 \end_inset
 
-, insérée en mode TeX.
-\end_layout
-
-\end_inset
-
- 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
-\end_inset
-
-
-\begin_inset space ~
-\end_inset
-
-indique que l'on doit mettre une espace.
+ indique que l'on doit mettre une espace.
 \end_layout
 
 \begin_layout Itemize
@@ -1597,16 +1554,7 @@ B^V
 
 \begin_layout Plain Layout
 B^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1827,16 +1775,7 @@ raisebox
 
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1869,16 +1808,7 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1911,31 +1841,13 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e^
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -2027,16 +1939,7 @@ La commande pour l'exemple précédent est:
 
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2046,31 +1949,13 @@ A
 B+
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C+
 \backslash
 cfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 E
@@ -2437,16 +2322,7 @@ raisebox
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
@@ -2475,16 +2351,7 @@ A-B
 
 \backslash
 root
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 3
@@ -2624,16 +2491,7 @@ uproot{2
 
 \backslash
 beta
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -2834,16 +2692,7 @@ raisebox
 
 \backslash
 binom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2876,16 +2725,7 @@ B
 
 \backslash
 dbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2918,16 +2758,7 @@ B
 
 \backslash
 tbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2960,16 +2791,7 @@ B
 
 \backslash
 brack
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3002,16 +2824,7 @@ B
 
 \backslash
 brace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3092,16 +2905,7 @@ Résultat
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3147,16 +2951,7 @@ A & B>0\end{cases}$
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -3692,31 +3487,13 @@ raisebox
 
 \begin_layout Plain Layout
 ^19
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -3724,16 +3501,7 @@ spce
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3760,31 +3528,13 @@ F
 
 \begin_layout Plain Layout
 ^235
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 23
@@ -3792,16 +3542,7 @@ spce
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3830,31 +3571,13 @@ F
 
 \backslash
 Lambda^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ii
@@ -3862,16 +3585,7 @@ ii
 \end_inset
 
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _MMt
@@ -3986,16 +3700,7 @@ Par exemple
 vphantom
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -4146,16 +3851,7 @@ raisebox
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4196,16 +3892,7 @@ overline
 
 \backslash
 underline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4246,31 +3933,13 @@ underline
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 underline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4573,31 +4242,13 @@ Résultat
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,
 \backslash
 dots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,A_n
@@ -4624,31 +4275,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
 \backslash
 dots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +A_n
@@ -4675,31 +4308,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,
 \backslash
 ldots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,A_n
@@ -4726,31 +4341,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
 \backslash
 cdots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +A_n
@@ -5057,16 +4654,7 @@ Par exemple, la commande
 A
 \backslash
 dotfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -5437,16 +5025,7 @@ raisebox
 
 \backslash
 bmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 matrice
@@ -5482,16 +5061,7 @@ matrice
 
 \backslash
 Bmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 matrice
@@ -5527,16 +5097,7 @@ matrice
 
 \backslash
 pmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 matrice
@@ -5606,16 +5167,7 @@ Résultat
 
 \backslash
 vmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 matrice
@@ -5651,16 +5203,7 @@ matrice
 
 \backslash
 Vmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 matrice
@@ -5696,16 +5239,7 @@ matrice
 
 \backslash
 matrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 matrice
@@ -6636,16 +6170,7 @@ Pour la deuxième formule, on a utilisé la commande
 Big((A+B)(A-B)
 \backslash
 Big)^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C.
@@ -6672,16 +6197,7 @@ big{
 ln(3x)
 \backslash
 big}^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6689,29 +6205,11 @@ spce
 sin(x)
 \backslash
 Big]^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6863,16 +6361,7 @@ bigm(
 ln(3x)
 \backslash
 bigm)^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6909,16 +6398,7 @@ big(
 ln(3x)
 \backslash
 big)^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6955,16 +6435,7 @@ bigl(
 ln(3x)
 \backslash
 bigr)^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7119,16 +6590,7 @@ parenthèse normale: La commande
 ln(
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7136,16 +6598,7 @@ A
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 )
@@ -7172,16 +6625,7 @@ ln
 left(
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7189,16 +6633,7 @@ A
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7255,16 +6690,7 @@ ln Alt+M
 (
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7284,16 +6710,7 @@ Pour omettre une parenthèse gauche ou droite, on met un point à la place
 left.
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7301,16 +6718,7 @@ A
 \end_inset
 
 B
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7468,42 +6876,15 @@ raisebox{2.3mm}{
 
 \backslash
 overbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 3
@@ -7567,29 +6948,11 @@ raisebox{-2.2mm}{
 
 \backslash
 underbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _5
@@ -7641,96 +7004,33 @@ underbrace
 
 \backslash
 overbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 underbrace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B_w
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _7
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
@@ -8936,16 +8236,7 @@ raisebox
 F(a)
 \backslash
 xleftarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=a
@@ -8982,16 +8273,7 @@ F(x)
 F(x)
 \backslash
 xrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=a
@@ -9585,16 +8867,7 @@ raisebox
 
 \backslash
 dot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9623,16 +8896,7 @@ A
 
 \backslash
 ddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9661,16 +8925,7 @@ A
 
 \backslash
 dddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9699,16 +8954,7 @@ A
 
 \backslash
 ddddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9737,16 +8983,7 @@ A
 
 \backslash
 vec
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9785,16 +9022,7 @@ Vecteurs
 
 \backslash
 bar
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9823,16 +9051,7 @@ A
 
 \backslash
 mathring
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9895,16 +9114,7 @@ Résultat
 
 \backslash
 tilde
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9933,16 +9143,7 @@ A
 
 \backslash
 hat
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -9971,16 +9172,7 @@ A
 
 \backslash
 check
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10009,16 +9201,7 @@ A
 
 \backslash
 acute
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10047,16 +9230,7 @@ A
 
 \backslash
 grave
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10085,16 +9259,7 @@ A
 
 \backslash
 breve
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -10307,16 +9472,7 @@ il faut que cette formule soit en allemand (NdT)
 
 \backslash
 ddot
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 i
@@ -10436,16 +9592,7 @@ raisebox
 
 \backslash
 overleftarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10474,16 +9621,7 @@ A=B
 
 \backslash
 underleftarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10512,16 +9650,7 @@ A=B
 
 \backslash
 overleftrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10550,16 +9679,7 @@ A=B
 
 \backslash
 underleftrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10622,16 +9742,7 @@ Résultat
 
 \backslash
 overrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10660,16 +9771,7 @@ A=B
 
 \backslash
 underrightarrow
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10698,16 +9800,7 @@ A=B
 
 \backslash
 widetilde
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10736,16 +9829,7 @@ A=B
 
 \backslash
 widehat
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10855,16 +9939,7 @@ La commande
  
 \backslash
 underset
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10940,16 +10015,7 @@ Ctrl-Espace
 
 \color blue
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11415,16 +10481,7 @@ raisebox
 sum
 \backslash
 sum
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
@@ -11457,16 +10514,7 @@ sum
 negmedspace
 \backslash
 sum
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
@@ -11806,16 +10854,7 @@ hspace
 
 \color blue
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11832,16 +10871,7 @@ spce
 
 \color blue
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11918,16 +10948,7 @@ Résultat
 A=B
 \backslash
 hspace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11966,16 +10987,7 @@ cm)
 A
 \backslash
 hspace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12014,16 +11026,7 @@ mm)
 A=A
 \backslash
 hfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B=B
@@ -12613,16 +11616,7 @@ raisebox
 
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12632,16 +11626,7 @@ Ctrl+M
  
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -12670,31 +11655,13 @@ A=B
 
 \backslash
 boxed
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -12723,16 +11690,7 @@ A=B
 A+
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -12761,16 +11719,7 @@ B
 
 \backslash
 framebox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 20mm
@@ -12788,16 +11737,7 @@ Ctrl+M
  
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -13257,16 +12197,7 @@ Ctrl+M Ctrl+M
  
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B 
@@ -13608,16 +12539,7 @@ colorbox{green
 {
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -13646,16 +12568,7 @@ A=B
 
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -13673,16 +12586,7 @@ Ctrl+M Ctrl+M
  
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C=D
@@ -15912,16 +14816,7 @@ raisebox
 prod^
 \backslash
 infty
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16145,16 +15040,7 @@ sum
 ^
 \series bold
 n
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
@@ -16166,16 +15052,7 @@ _
 
 \backslash
 subarray
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16228,16 +15105,7 @@ colonnes
 
 \backslash
 hfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16380,16 +15248,7 @@ sum_
 mathclap{
 \backslash
 substack
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 0<k<1000 Ctrl+Entrée
@@ -16546,16 +15405,7 @@ sideset{
 
 \backslash
 sum_k=1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16614,31 +15464,13 @@ underset
 
 \backslash
 overset
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18044,16 +16876,7 @@ negmedspace
 sum
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18065,16 +16888,7 @@ spce
 ^N
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18210,16 +17024,7 @@ Raccourci
 
 \backslash
 mathbb
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ABC
@@ -18259,16 +17064,7 @@ Alt+C C
 
 \backslash
 mathbf
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 AbC
@@ -18308,16 +17104,7 @@ Ctrl+B
 
 \backslash
 boldsymbol
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 AbC
@@ -18361,16 +17148,7 @@ Ctrl+Alt+B
 
 \backslash
 mathcal
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ABC
@@ -18410,16 +17188,7 @@ Ctrl+E
 
 \backslash
 mathfrak
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 AbC
@@ -18459,16 +17228,7 @@ AbC
 mathscr
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18552,16 +17312,7 @@ Raccourci
 
 \backslash
 mathit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 AbC
@@ -18599,16 +17350,7 @@ AbC
 
 \backslash
 mathrm
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 AbC
@@ -18648,16 +17390,7 @@ Alt+C R
 
 \backslash
 mathsf
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 AbC
@@ -18697,16 +17430,7 @@ Alt+C S
 
 \backslash
 mathtt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 AbC
@@ -19538,61 +18262,25 @@ huge
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A Alt+M M 
 \backslash
 Large
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -19619,46 +18307,19 @@ A
 Alt+M M 
 \backslash
 tiny
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -24809,16 +23470,7 @@ raisebox
 A(r)
 \backslash
 stackrel
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 r
@@ -24826,16 +23478,7 @@ r
 to
 \backslash
 infty
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -24845,29 +23488,11 @@ spce
 
 \backslash
 approx
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -25974,29 +24599,11 @@ raisebox
 lim_x
 \backslash
 to
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=B
@@ -26060,10 +24667,10 @@ Les variantes pour une formule hors ligne:
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{Commande}\raisebox{-0.9mm}{}} &  & \underline{\textrm{Résultat}}\\
-\mathrm{a\backslash mod\textrm{\spce}b} &  & a\mod b\\
-\mathrm{a\backslash pmod\textrm{\spce}b} &  & a\pmod b\\
-\mathrm{a\backslash bmod\textrm{\spce}b} &  & a\bmod b\\
-\mathrm{a\backslash pod\textrm{\spce}b} &  & a\pod b
+\mathrm{a\backslash mod\textrm{\textvisiblespace}b} &  & a\mod b\\
+\mathrm{a\backslash pmod\textrm{\textvisiblespace}b} &  & a\pmod b\\
+\mathrm{a\backslash bmod\textrm{\textvisiblespace}b} &  & a\bmod b\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}b} &  & a\pod b
 \end{align*}
 
 \end_inset
@@ -26079,10 +24686,12 @@ Dans une formule en ligne, il y a moins d'espace inséré avant le nom de
 By default the modulo-functions take only the first following character
  into account.
  To use more than one character, one has to put them into TeX-braces:
+\lang french
+
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{Commande}\raisebox{-0.9mm}{}} &  & \underline{\textrm{Résultat}}\\
-\mathrm{a\backslash pod\textrm{\spce}bcd} &  & a\pod bcd\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}bcd} &  & a\pod bcd\\
 \mathrm{a\backslash pod\backslash\{bc\to d} &  & a\pod{bc}d
 \end{align*}
 
@@ -26506,16 +25115,7 @@ L
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -26547,16 +25147,7 @@ spce
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -26791,16 +25382,7 @@ status collapsed
 
 \backslash
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26872,16 +25454,7 @@ status collapsed
 
 \backslash
 u
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26919,16 +25492,7 @@ u e
 
 \backslash
 b
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26966,16 +25530,7 @@ b e
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ee
@@ -27047,16 +25602,7 @@ Résultat
 
 \backslash
 H
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27206,16 +25752,7 @@ status collapsed
 
 \backslash
 v
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27253,16 +25790,7 @@ v e
 
 \backslash
 d
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27300,16 +25828,7 @@ d e
 
 \backslash
 c
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27366,16 +25885,7 @@ t
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 sz
@@ -28858,16 +27368,7 @@ left.
 vphantom
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -28877,16 +27378,7 @@ spce
 prod
 \series default
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -28896,16 +27388,7 @@ spce
 infty
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -30616,16 +29099,7 @@ Dans cet exemple, on a mis la commande
 tag
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -30643,16 +29117,7 @@ Quand on insère la commande
 tag*
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -31806,16 +30271,7 @@ raisebox
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 H2CO3
@@ -31844,16 +30300,7 @@ H2CO3
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 SO4^2-
@@ -31882,16 +30329,7 @@ SO4^2-
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 (NH4)2S
@@ -31920,16 +30358,7 @@ spce
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 KCr(SO4)2.12H2O
@@ -31958,46 +30387,19 @@ KCr(SO4)2.12H2O
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
 \backslash
 dbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
 \backslash
 tbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 D
@@ -32026,16 +30428,7 @@ D
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^227
@@ -32072,68 +30465,23 @@ Th+
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 <=>
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO
@@ -32162,55 +30510,19 @@ spce
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ->[
@@ -32218,16 +30530,7 @@ spce
 alpha][
 \backslash
 beta]
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO}
@@ -32370,81 +30673,27 @@ reference "eq:reaction-chimique"
  
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2Na+
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 SO4^2-
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ->
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 Na2SO4
@@ -32714,16 +30963,7 @@ La commande pour l'obtenir:
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A@>j>>B@>>k>C@=F Ctrl+Entrée
@@ -32740,16 +30980,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -32781,16 +31012,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -33379,16 +31601,7 @@ raisebox
 A
 \backslash
 gr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -33456,16 +31669,7 @@ fb{[2cm]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -33502,16 +31706,7 @@ cb{red
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -33550,16 +31745,7 @@ cb[green]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35828,16 +34014,7 @@ sont seulement utilisées pour faire de la place.
 cancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35868,16 +34045,7 @@ A=B
 bcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35908,16 +34076,7 @@ A=B
 xcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35954,16 +34113,7 @@ cancelto{1
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -37555,16 +35705,7 @@ Le caractère qui représente une transformation de Fourier peut être obtenu
 
 \backslash
 mathscr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
diff --git a/lib/doc/fr/UserGuide.lyx b/lib/doc/fr/UserGuide.lyx
index 3af80e64e9..bf6e3be671 100644
--- a/lib/doc/fr/UserGuide.lyx
+++ b/lib/doc/fr/UserGuide.lyx
@@ -33,9 +33,6 @@
   \myTOC
   \mainmatter }
 
-% define a short command for \textvisiblespace
-\newcommand{\spce}{\textvisiblespace}
-
 % macro for italic page numbers in the index
 \newcommand{\IndexDef}[1]{\textit{#1}}
 
@@ -23390,16 +23387,7 @@ Espace
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -23418,16 +23406,7 @@ spce
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2x+1
@@ -23437,42 +23416,15 @@ spce
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2x
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -23581,16 +23533,7 @@ arg   "math-subscript"
 , tapez (dans une formule) 
 \series bold
 x^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -23617,16 +23560,7 @@ x^2y
 , tapez 
 \series bold
 x^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 y
@@ -23653,16 +23587,7 @@ espace
 , tapez 
 \series bold
 x^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 a
@@ -23675,16 +23600,7 @@ a
 , faites (dans une formule) 
 \series bold
 a_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -24316,16 +24232,7 @@ Vous insérez des caractères accentués dans une formule de la même façon
 
 \backslash
 hat
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 a 
@@ -36711,6 +36618,25 @@ oblique
 sécable Insère une barre oblique là où un saut de ligne peut aussi se produire
  : \SpecialChar \slash{}
 
+\end_layout
+
+\begin_layout Description
+
+\lang english
+Visible
+\begin_inset space ~
+\end_inset
+
+Space Inserts a character representing a single space (the one you get when
+ pressing the 
+\family sans
+Space
+\family default
+ key): 
+\begin_inset space \textvisiblespace{}
+\end_inset
+
+
 \end_layout
 
 \begin_layout Description
diff --git a/lib/doc/ja/Math.lyx b/lib/doc/ja/Math.lyx
index 1ea530b531..e9daef0009 100644
--- a/lib/doc/ja/Math.lyx
+++ b/lib/doc/ja/Math.lyx
@@ -94,8 +94,6 @@
 \DeclareMathOperator*{\Lozenge}{\blacklozenge}
 \DeclareMathOperator{\sgn}{sgn}
 
-\newcommand{\spce}{\textvisiblespace}
-
 % example definitions for sec. 20.1 
 \newcommand{\gr}{\Longrightarrow}
 \newcommand{\us}[1]{\underline{#1}}
@@ -196,7 +194,7 @@ End
 \font_sf_scale 100
 \font_tt_scale 100
 \graphics default
-\default_output_format pdf
+\default_output_format default
 \output_sync 0
 \bibtex_command default
 \index_command default
@@ -972,48 +970,11 @@ arg   "space-insert protected"
 \end_layout
 
 \begin_layout Itemize
-記号
-\begin_inset Foot
-status collapsed
-
-\begin_layout Plain Layout
-この可視化された空白文字は、
-\series bold
-
-\backslash
-textvisiblespace
-\series default
-
-\begin_inset Index idx
-status collapsed
-
-\begin_layout Plain Layout
-こまんど@コマンド ! T ! 
-\backslash
-textvisiblespace
-\end_layout
-
+記号 
+\begin_inset space \textvisiblespace{}
 \end_inset
 
-コマンドをTeXモード中に挿入することで作ることができます。
-\end_layout
-
-\end_inset
-
-
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
-\end_inset
-
-は、空白文字を入力することを表します。
+ は、空白文字を入力することを表します。
 \end_layout
 
 \begin_layout Itemize
@@ -1629,16 +1590,7 @@ B^V
 
 \begin_layout Plain Layout
 B^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1861,16 +1813,7 @@ raisebox
 
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1903,16 +1846,7 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -1945,44 +1879,17 @@ B
 
 \backslash
 dfrac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -2502,16 +2409,7 @@ raisebox
 
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
@@ -2540,16 +2438,7 @@ A-B
 
 \backslash
 root
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 3
@@ -2684,16 +2573,7 @@ uproot{2
 
 \backslash
 beta
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -2891,16 +2771,7 @@ raisebox
 
 \backslash
 binom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2933,16 +2804,7 @@ B
 
 \backslash
 dbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -2975,16 +2837,7 @@ B
 
 \backslash
 tbinom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3017,16 +2870,7 @@ B
 
 \backslash
 brack
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3059,16 +2903,7 @@ B
 
 \backslash
 brace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3149,16 +2984,7 @@ status collapsed
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -3208,16 +3034,7 @@ A & B>0\end{cases}$
 
 \backslash
 cases
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -3787,31 +3604,13 @@ raisebox
 
 \begin_layout Plain Layout
 ^19
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 1
@@ -3819,16 +3618,7 @@ spce
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3855,31 +3645,13 @@ F
 
 \begin_layout Plain Layout
 ^235
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 23
@@ -3887,16 +3659,7 @@ spce
 \end_inset
 
 9
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 F
@@ -3925,31 +3688,13 @@ F
 
 \backslash
 Lambda^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 phantom
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ii
@@ -3957,16 +3702,7 @@ ii
 \end_inset
 
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _MMt
@@ -4076,16 +3812,7 @@ hphantom
 vphantom
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -4262,16 +3989,7 @@ raisebox
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4312,16 +4030,7 @@ overline
 
 \backslash
 underline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4362,31 +4071,13 @@ underline
 
 \backslash
 overline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 underline
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A+B
@@ -4674,31 +4365,13 @@ dots
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,
 \backslash
 dots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,A_n
@@ -4725,31 +4398,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
 \backslash
 dots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +A_n
@@ -4776,31 +4431,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,
 \backslash
 ldots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ,A_n
@@ -4827,31 +4464,13 @@ spce
 
 \begin_layout Plain Layout
 A_1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
 \backslash
 cdots
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +A_n
@@ -5138,16 +4757,7 @@ reference "sub:可変長の空白"
 A
 \backslash
 dotfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -5512,16 +5122,7 @@ raisebox
 
 \backslash
 bmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -5557,16 +5158,7 @@ spce
 
 \backslash
 Bmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -5602,16 +5194,7 @@ spce
 
 \backslash
 pmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -5681,16 +5264,7 @@ spce
 
 \backslash
 vmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -5726,16 +5300,7 @@ spce
 
 \backslash
 Vmatrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -5771,16 +5336,7 @@ spce
 
 \backslash
 matrix
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6693,16 +6249,7 @@ raisebox
 Big((A+B)(A-B)
 \backslash
 Big)^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
@@ -6735,16 +6282,7 @@ big{
 ln(3x)
 \backslash
 big}^2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6752,29 +6290,11 @@ spce
 sin(x)
 \backslash
 Big]^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6931,16 +6451,7 @@ ln(3x)
 bigm)^2
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -6981,16 +6492,7 @@ ln(3x)
 big)^2
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7031,16 +6533,7 @@ ln(3x)
 bigr)^2
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -7190,16 +6683,7 @@ right
 ln(
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -7207,16 +6691,7 @@ A
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 )
@@ -7243,16 +6718,7 @@ ln
 left(
 \backslash
 frac
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-spce 
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 A
@@ -7260,16 +6726,7 @@ A
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 C
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 (
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 frac
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 A
@@ -7372,16 +6820,7 @@ C
 left.
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 frac
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 A
@@ -7389,16 +6828,7 @@ A
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 B
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-spce 
-\end_layout
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 \end_inset
 
 
@@ -7589,42 +7019,15 @@ raisebox{2.3mm}{
 
 \backslash
 overbrace
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 A+B
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 ^
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-
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-spce 
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 3
@@ -7688,29 +7091,11 @@ raisebox{-2.2mm}{
 
 \backslash
 underbrace
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 A+B
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 _5
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 \backslash
 overbrace
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 A+B_w
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 _7
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 ^
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 C
@@ -9014,16 +8336,7 @@ raisebox
 F(a)
 \backslash
 xleftarrow
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 x=a
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 F(x)
 \backslash
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-
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 x=a
@@ -9664,16 +8968,7 @@ raisebox
 
 \backslash
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 A
@@ -9702,16 +8997,7 @@ A
 
 \backslash
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 A
@@ -9740,16 +9026,7 @@ A
 
 \backslash
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 A
@@ -9778,16 +9055,7 @@ A
 
 \backslash
 ddddot
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 A
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 \backslash
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 A
@@ -9866,16 +9125,7 @@ Vectors
 
 \backslash
 bar
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 A
@@ -9904,16 +9154,7 @@ A
 
 \backslash
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 A
@@ -9976,16 +9217,7 @@ A
 
 \backslash
 tilde
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-spce 
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 A
@@ -10014,16 +9246,7 @@ A
 
 \backslash
 hat
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 A
@@ -10052,16 +9275,7 @@ A
 
 \backslash
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 A
@@ -10090,16 +9304,7 @@ A
 
 \backslash
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 A
@@ -10128,16 +9333,7 @@ A
 
 \backslash
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 A
@@ -10166,16 +9362,7 @@ A
 
 \backslash
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 A
@@ -10338,16 +9525,7 @@ i
 
 \backslash
 ddot
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-spce 
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 i
@@ -10462,16 +9640,7 @@ raisebox
 
 \backslash
 overleftarrow
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-spce 
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 A=B
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 \backslash
 underleftarrow
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 A=B
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 \backslash
 overleftrightarrow
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-spce 
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 A=B
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 \backslash
 underleftrightarrow
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 A=B
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 \backslash
 overrightarrow
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-
-
-\backslash
-spce 
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 A=B
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 \backslash
 underrightarrow
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-
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-spce 
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+\begin_inset space \textvisiblespace{}
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 A=B
@@ -10724,16 +9848,7 @@ A=B
 
 \backslash
 widetilde
-\begin_inset ERT
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-
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-
-\backslash
-spce 
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+\begin_inset space \textvisiblespace{}
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 A=B
@@ -10762,16 +9877,7 @@ A=B
 
 \backslash
 widehat
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-
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-
-
-\backslash
-spce 
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+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
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 \backslash
 underset
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
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-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -10973,16 +10070,7 @@ arg   "space-insert protected"
 )を挿入することで実現できます。「
 \color blue
 
-\begin_inset ERT
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-
-\begin_layout Plain Layout
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-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
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 sum
 \backslash
 sum
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
@@ -11474,16 +10553,7 @@ sum
 negmedspace
 \backslash
 sum
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 f_kl
@@ -11822,16 +10892,7 @@ hspace
 コマンドで入力することができます。すると、ながい「
 \color blue
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11839,16 +10900,7 @@ spce
 」が現れます。長さは、「
 \color blue
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11918,16 +10970,7 @@ hspace 長さ)
 A=B
 \backslash
 hspace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -11966,16 +11009,7 @@ cm)
 A
 \backslash
 hspace
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12014,16 +11048,7 @@ mm)
 A=A
 \backslash
 hfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B=B
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 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -12605,16 +11621,7 @@ Ctrl+M
  
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
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 A=B
@@ -12643,31 +11650,13 @@ A=B
 
 \backslash
 boxed
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -12696,16 +11685,7 @@ A=B
 A+
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
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+\begin_inset space \textvisiblespace{}
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 B
@@ -12734,16 +11714,7 @@ B
 
 \backslash
 framebox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 20mm
@@ -12761,16 +11732,7 @@ Ctrl+M
  
 \backslash
 frac
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -13219,16 +12181,7 @@ Ctrl+M Ctrl+M
  
 \backslash
 sqrt
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B 
@@ -13572,16 +12525,7 @@ colorbox{green
 {
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -13610,16 +12554,7 @@ A=B
 
 \backslash
 fbox
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -13641,16 +12576,7 @@ Ctrl+M
  
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C=D
@@ -15731,16 +14657,7 @@ raisebox
 prod^
 \backslash
 infty
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -15946,16 +14863,7 @@ sum
 ^
 \series bold
 n
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 _
@@ -15965,16 +14873,7 @@ _
 
 \backslash
 subarray
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16023,16 +14922,7 @@ k
 
 \backslash
 hfill
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16173,16 +15063,7 @@ sum_
 mathclap{
 \backslash
 substack
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 0
@@ -16347,16 +15228,7 @@ sideset{
 
 \backslash
 sum_k=1
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -16413,31 +15285,13 @@ underset
 
 \backslash
 overset
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -17825,16 +16679,7 @@ negmedspace
 sum
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -17846,16 +16691,7 @@ spce
 ^N
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18010,16 +16846,7 @@ status collapsed
 mathbb
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18066,16 +16893,7 @@ arg   "font-noun"
 mathbf
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18122,16 +16940,7 @@ arg   "font-bold"
 boldsymbol
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18178,16 +16987,7 @@ arg   "font-boldsymbol"
 mathcal
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18234,16 +17034,7 @@ arg   "font-emph"
 mathfrak
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18285,16 +17076,7 @@ AbC
 mathscr
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18399,16 +17181,7 @@ status collapsed
 mathit
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18450,16 +17223,7 @@ AbC
 mathrm
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18506,16 +17270,7 @@ arg   "font-roman"
 mathsf
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18562,16 +17317,7 @@ arg   "font-sans"
 mathtt
 \series bold
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -19341,61 +18087,25 @@ huge
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A Alt+M M 
 \backslash
 Large
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -19422,46 +18132,19 @@ Alt+M
 M 
 \backslash
 tiny
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 maltese
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
 \backslash
 textit
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -24706,16 +23389,7 @@ raisebox
 A(r)
 \backslash
 stackrel
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 r
@@ -24723,16 +23397,7 @@ r
 to
 \backslash
 infty
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -24742,29 +23407,11 @@ spce
 
 \backslash
 approx
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -25855,29 +24502,11 @@ raisebox
 lim_x
 \backslash
 to
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 x=B
@@ -25972,10 +24601,10 @@ status collapsed
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{コマンド}\raisebox{-0.9mm}{}} &  & \underline{\textrm{出力}}\\
-\mathrm{a\backslash mod\textrm{\spce}b} &  & a\mod b\\
-\mathrm{a\backslash pmod\textrm{\spce}b} &  & a\pmod b\\
-\mathrm{a\backslash bmod\textrm{\spce}b} &  & a\bmod b\\
-\mathrm{a\backslash pod\textrm{\spce}b} &  & a\pod b
+\mathrm{a\backslash mod\textrm{\textvisiblespace}b} &  & a\mod b\\
+\mathrm{a\backslash pmod\textrm{\textvisiblespace}b} &  & a\pmod b\\
+\mathrm{a\backslash bmod\textrm{\textvisiblespace}b} &  & a\bmod b\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}b} &  & a\pod b
 \end{align*}
 
 \end_inset
@@ -25989,7 +24618,7 @@ status collapsed
 \begin_inset Formula 
 \begin{align*}
 \underline{\textrm{コマンド}\raisebox{-0.9mm}{}} &  & \underline{\textrm{出力}}\\
-\mathrm{a\backslash pod\textrm{\spce}bcd} &  & a\pod bcd\\
+\mathrm{a\backslash pod\textrm{\textvisiblespace}bcd} &  & a\pod bcd\\
 \mathrm{a\backslash pod\backslash\{bc\backslash\}d} &  & a\pod{bc}d
 \end{align*}
 
@@ -26413,16 +25042,7 @@ L
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -26454,16 +25074,7 @@ spce
 \end_inset
 
 `
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -26695,16 +25306,7 @@ status collapsed
 
 \backslash
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26776,16 +25378,7 @@ status collapsed
 
 \backslash
 u
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26823,16 +25416,7 @@ u e
 
 \backslash
 b
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -26870,16 +25454,7 @@ b e
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ee
@@ -26951,16 +25526,7 @@ t ee
 
 \backslash
 H
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27112,16 +25678,7 @@ status collapsed
 
 \backslash
 v
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27159,16 +25716,7 @@ v e
 
 \backslash
 d
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27206,16 +25754,7 @@ d e
 
 \backslash
 c
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 e
@@ -27271,16 +25810,7 @@ t
 
 \backslash
 t
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 sz
@@ -27733,16 +26263,7 @@ status collapsed
 
 \backslash
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -27794,16 +26315,7 @@ _
 
 \begin_layout Plain Layout
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -28895,16 +27407,7 @@ left.
 vphantom
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -28914,16 +27417,7 @@ spce
 prod
 \series default
 ^
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -28933,16 +27427,7 @@ spce
 infty
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -30507,16 +28992,7 @@ A+B=C\tag{何とかかんとか}\label{eq:tag}
 
 \backslash
 tag
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 何とかかんとか
@@ -30530,16 +29006,7 @@ spce
 
 \backslash
 tag*
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 何とかかんとか
@@ -31676,16 +30143,7 @@ raisebox
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 H2CO3
@@ -31714,16 +30172,7 @@ H2CO3
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 SO4^2-
@@ -31752,16 +30201,7 @@ SO4^2-
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 (NH4)2S
@@ -31790,16 +30230,7 @@ spce
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 KCr(SO4)2.12H2O
@@ -31828,46 +30259,19 @@ KCr(SO4)2.12H2O
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A-B
 \backslash
 dbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
 \backslash
 tbond
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 D
@@ -31896,16 +30300,7 @@ D
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ^227
@@ -31942,68 +30337,23 @@ Th+
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 <=>
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO
@@ -32032,55 +30382,19 @@ spce
 
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 CO2
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 C
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ->[
@@ -32088,16 +30402,7 @@ spce
 alpha][
 \backslash
 beta]
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2CO}
@@ -32194,81 +30499,27 @@ reference "eq:chem-reaction"
  
 \backslash
 ce
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 2Na+
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 +
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 SO4^2-
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 ->
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 Na2SO4
@@ -32542,16 +30793,7 @@ D@<<j<E@>k>>F@=C
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A
@@ -32584,16 +30826,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -32629,16 +30862,7 @@ status open
 
 \backslash
 CD
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -33176,16 +31400,7 @@ raisebox
 A
 \backslash
 gr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 B
@@ -33253,16 +31468,7 @@ fb{[2cm]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -33299,16 +31505,7 @@ cb{red
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -33347,16 +31544,7 @@ cb[green]
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35414,16 +33602,7 @@ raisebox
 cancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35454,16 +33633,7 @@ A=B
 bcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35494,16 +33664,7 @@ A=B
 xcancel{
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -35540,16 +33701,7 @@ cancelto{1
 {
 \backslash
 int
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 A=B
@@ -37002,16 +35154,7 @@ reference "sub:定義済み函数"
 
 \backslash
 mathscr
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce 
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 {F
diff --git a/lib/doc/ja/UserGuide.lyx b/lib/doc/ja/UserGuide.lyx
index 6f630fdd5c..8c8f210c63 100644
--- a/lib/doc/ja/UserGuide.lyx
+++ b/lib/doc/ja/UserGuide.lyx
@@ -41,9 +41,6 @@
   \myTOC
   \mainmatter }
 
-% define a short command for \textvisiblespace
-\newcommand{\spce}{\textvisiblespace}
-
 % macro for italic page numbers in the index
 \newcommand{\IndexDef}[1]{\textit{#1}}
 
@@ -113,7 +110,7 @@ End
 \font_sf_scale 100
 \font_tt_scale 100
 \graphics default
-\default_output_format pdf
+\default_output_format default
 \output_sync 0
 \bibtex_command bibtex
 \index_command default
@@ -18756,38 +18753,10 @@ Tab
 スペース
 \family default
 —本文書では「 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
- 」
-\begin_inset Note Note
-status open
-
-\begin_layout Plain Layout
-
-\family roman
-\series medium
-\shape up
-\size normal
-\emph off
-\bar no
-\noun off
-\color none
-このコマンドは、出力では空白文字(可視空白)を表す標準的な文字で表現されます。
-\end_layout
-
-\end_inset
-
-と印刷されます—は、数式中では何もしないように見えますが、実は入れ子構造から脱出するのに使われるのです。このため、
+ 」と印刷されます—は、数式中では何もしないように見えますが、実は入れ子構造から脱出するのに使われるのです。このため、
 \family sans
 スペース
 \family default
@@ -18802,16 +18771,7 @@ status open
 sqrt
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18825,16 +18785,7 @@ spce
 sqrt
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18842,16 +18793,7 @@ spce
 2x
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -18964,16 +18906,7 @@ arg   "math-subscript"
  x^2
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
  と入力すればよいのです。最後の
@@ -18998,16 +18931,7 @@ x^2y
 \family typewriter
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -19028,16 +18952,7 @@ y
  x^a
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
  と入力します。下付き文字も同様です。
@@ -19049,16 +18964,7 @@ spce
  a_1
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
  と入力します。
@@ -19621,16 +19527,7 @@ status collapsed
 hat
 \series default
 
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-spce
-\end_layout
-
+\begin_inset space \textvisiblespace{}
 \end_inset
 
 
@@ -29592,6 +29489,27 @@ reference "sub:略語"
 」を挿入する。
 \end_layout
 
+\begin_layout Description
+
+\lang english
+Visible
+\begin_inset space ~
+\end_inset
+
+Space Inserts a character representing a single space (the one you get when
+ pressing the 
+\family sans
+Space
+\family default
+ key): 
+\lang japanese
+「
+\begin_inset space \textvisiblespace{}
+\end_inset
+
+」
+\end_layout
+
 \begin_layout Description
 メニュー区切り メニュー区切りマーク「\SpecialChar \menuseparator
 」を挿入する。