diff --git a/lib/doc/Math.lyx b/lib/doc/Math.lyx
index dbd12825ad..958dbe4f43 100644
--- a/lib/doc/Math.lyx
+++ b/lib/doc/Math.lyx
@@ -8293,7 +8293,7 @@ F(x)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -8330,7 +8330,685 @@ F(a)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+
+
+
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset VSpace medskip
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+If you set in the document settings under
+\family sans
+Math
+\begin_inset space ~
+\end_inset
+
+Options
+\family default
+ for the package
+\series bold
+mathtools
+\series default
+
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+Packages ! mathtools
+\end_layout
+
+\end_inset
+
+ the option
+\family sans
+Load
+\begin_inset space ~
+\end_inset
+
+always
+\family default
+, you have access to the following labeled arrows:
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Command
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Example
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+
+\backslash
+xleftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+
+\backslash
+xLeftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+xRightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xRightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+xLeftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+
+\backslash
+xhookleftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookleftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+
+\backslash
+xhookrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Command
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Example
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+xleftharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+xleftharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+xrightharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+xrightharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+xleftrightharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+
+\family roman
+\series medium
+\shape up
+\size normal
+\emph off
+\bar no
+\strikeout off
+\uuline off
+\uwave off
+\noun off
+\color none
+xrightleftharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightleftharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+The command scheme is for all these arrows:
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Command
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Result
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+F(a)
+\backslash
+xleftrightarrow[x=a]
+\backslash
+{x>0
+\begin_inset Formula $\to$
+\end_inset
+
+F(x)
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}F(a)\xleftrightarrow[x=a]{x>0}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -10125,13 +10803,6 @@ A=B
\end_inset
-\end_layout
-
-\begin_layout Standard
-\begin_inset Newpage newpage
-\end_inset
-
-
\end_layout
\begin_layout Section
@@ -11994,13 +12665,6 @@ fbox
.
\end_layout
-\begin_layout Standard
-\begin_inset Newpage newpage
-\end_inset
-
-
-\end_layout
-
\begin_layout Standard
\align center
\begin_inset Tabular
@@ -27741,13 +28405,7 @@ The command for the first numerator above is:
\series bold
\backslash
-splitfrac
-\begin_inset space \textvisiblespace{}
-\end_inset
-
-
-\backslash
-{xy+xy+xy+xy+xy
+splitfrac{xy+xy+xy+xy+xy
\begin_inset space \textvisiblespace{}
\end_inset
diff --git a/lib/doc/de/Math.lyx b/lib/doc/de/Math.lyx
index be729a8770..aa1c5c4534 100644
--- a/lib/doc/de/Math.lyx
+++ b/lib/doc/de/Math.lyx
@@ -8338,7 +8338,7 @@ F(x)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -8375,7 +8375,547 @@ F(a)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset VSpace medskip
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+Wenn man in den Dokumenteinstellungen unter
+\family sans
+Mathe-Optionen
+\family default
+ für das Paket
+\series bold
+mathtools
+\series default
+
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+Pakete ! mathtools
+\end_layout
+
+\end_inset
+
+ die Option
+\family sans
+Immer
+\begin_inset space ~
+\end_inset
+
+laden
+\family default
+ einstellt, hat man Zugriff auf die folgenden beschriftbaren Pfeile:
+\end_layout
+
+\begin_layout Standard
+\begin_inset Newpage newpage
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Befehl
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Beispiel
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xLeftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xRightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xRightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xLeftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xhookleftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookleftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xhookrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Befehl
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Beispiel
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftrightharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightleftharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightleftharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+Das Befehlsschema ist für all diese Pfeile dasselbe:
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Befehl
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Ergebnis
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+F(a)
+\backslash
+xleftrightarrow[x=a]
+\backslash
+{x>0
+\begin_inset Formula $\to$
+\end_inset
+
+F(x)
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}F(a)\xleftrightarrow[x=a]{x>0}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -27798,13 +28338,7 @@ Der Befehl für den ersten Zähler in obiger Formel lautet:
\series bold
\backslash
-splitfrac
-\begin_inset space \textvisiblespace{}
-\end_inset
-
-
-\backslash
-{xy+xy+xy+xy+xy
+splitfrac{xy+xy+xy+xy+xy
\begin_inset space \textvisiblespace{}
\end_inset
diff --git a/lib/doc/es/Math.lyx b/lib/doc/es/Math.lyx
index acf6003698..87e5f9ef1b 100644
--- a/lib/doc/es/Math.lyx
+++ b/lib/doc/es/Math.lyx
@@ -8351,7 +8351,7 @@ F(x)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -8388,7 +8388,552 @@ F(a)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset VSpace medskip
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+If you set in the document settings under
+\family sans
+Math
+\begin_inset space ~
+\end_inset
+
+Options
+\family default
+ for the package
+\lang spanish
+
+\series bold
+mathtools
+\series default
+
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+Paquetes ! mathtools
+\end_layout
+
+\end_inset
+
+
+\lang english
+the option
+\family sans
+Load
+\begin_inset space ~
+\end_inset
+
+always
+\family default
+, you have access to the following labeled arrows:
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Comando
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Ejemplo
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xLeftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xRightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xRightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xLeftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xhookleftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookleftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xhookrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Comando
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Ejemplo
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftrightharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightleftharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightleftharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+The command scheme is for all these arrows:
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Comando
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Resultado
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+F(a)
+\backslash
+xleftrightarrow[x=a]
+\backslash
+{x>0
+\begin_inset Formula $\to$
+\end_inset
+
+F(x)
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}F(a)\xleftrightarrow[x=a]{x>0}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -8783,15 +9328,6 @@ reference "sub:Tamaño-automático-de"
.
\end_layout
-\begin_layout Standard
-\noindent
-\align center
-\begin_inset Newpage newpage
-\end_inset
-
-
-\end_layout
-
\begin_layout Section
Acentos
\begin_inset CommandInset label
@@ -28243,13 +28779,7 @@ The command for the first numerator above is:
\series bold
\backslash
-splitfrac
-\begin_inset space \textvisiblespace{}
-\end_inset
-
-
-\backslash
-{xy+xy+xy+xy+xy
+splitfrac{xy+xy+xy+xy+xy
\begin_inset space \textvisiblespace{}
\end_inset
diff --git a/lib/doc/fr/Math.lyx b/lib/doc/fr/Math.lyx
index 4422b92b69..293bed5b2c 100644
--- a/lib/doc/fr/Math.lyx
+++ b/lib/doc/fr/Math.lyx
@@ -8266,7 +8266,7 @@ F(x)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -8303,7 +8303,561 @@ F(a)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset VSpace medskip
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+If you set in the document settings under
+\family sans
+Math
+\begin_inset space ~
+\end_inset
+
+Options
+\family default
+ for the package
+\lang french
+
+\series bold
+mathtools
+\series default
+
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+Paquetages ! mathtools
+\end_layout
+
+\end_inset
+
+
+\lang english
+the option
+\family sans
+Load
+\begin_inset space ~
+\end_inset
+
+always
+\family default
+, you have access to the following labeled arrows:
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+\begin_inset Newpage newpage
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Commande
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Exemple
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xLeftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xRightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xRightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xLeftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xhookleftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookleftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xhookrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Commande
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Exemple
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftrightharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightleftharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightleftharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+The command scheme is for all these arrows:
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+Commande
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+Résultat
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+F(a)
+\backslash
+xleftrightarrow[x=a]
+\backslash
+{x>0
+\begin_inset Formula $\to$
+\end_inset
+
+F(x)
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}F(a)\xleftrightarrow[x=a]{x>0}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -27575,13 +28129,6 @@ C & \ne & A
\end_inset
-\end_layout
-
-\begin_layout Standard
-\begin_inset Newpage newpage
-\end_inset
-
-
\end_layout
\begin_layout Subsubsection
@@ -27921,13 +28468,7 @@ The command for the first numerator above is:
\series bold
\backslash
-splitfrac
-\begin_inset space \textvisiblespace{}
-\end_inset
-
-
-\backslash
-{xy+xy+xy+xy+xy
+splitfrac{xy+xy+xy+xy+xy
\begin_inset space \textvisiblespace{}
\end_inset
@@ -28338,13 +28879,6 @@ Puisque l'espacement des colonnes peut être choisi séparément pour chaque
colonne, cet environnement est particulièrement adapté aux cas où on a
trois colonnes ou plus côte-à-côte.
-\end_layout
-
-\begin_layout Standard
-\begin_inset Newpage newpage
-\end_inset
-
-
\end_layout
\begin_layout Subsubsection
diff --git a/lib/doc/ja/Math.lyx b/lib/doc/ja/Math.lyx
index 5fca7a8987..39c2de3748 100644
--- a/lib/doc/ja/Math.lyx
+++ b/lib/doc/ja/Math.lyx
@@ -8360,7 +8360,7 @@ F(x)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(a)\xleftarrow[x>0]{x=a}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -8401,7 +8401,560 @@ F(a)
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula $\raisebox{5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\begin_inset Formula $\raisebox{5.5mm}{}F(x)\xrightarrow[x>0]{x=a}F(a)\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset VSpace medskip
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+If you set in the document settings under
+\family sans
+Math
+\begin_inset space ~
+\end_inset
+
+Options
+\family default
+ for the package
+\lang japanese
+
+\series bold
+mathtools
+\series default
+
+\begin_inset Index idx
+status collapsed
+
+\begin_layout Plain Layout
+ぱっけーじ@パッケージ ! mathtools
+\end_layout
+
+\end_inset
+
+
+\lang english
+the option
+\family sans
+Load
+\begin_inset space ~
+\end_inset
+
+always
+\family default
+, you have access to the following labeled arrows:
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+コマンド
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\lang english
+Example
+\lang japanese
+
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xLeftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xRightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xRightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xLeftrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xLeftrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xhookleftarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookleftarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xhookrightarrow
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xhookrightarrow[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+コマンド
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\lang english
+Example
+\lang japanese
+
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightharpoondown
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoondown[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightharpoonup
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightharpoonup[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xleftrightharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xleftrightharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+
+\backslash
+xrightleftharpoons
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}\xrightleftharpoons[x=a]{x>0}\raisebox{-4mm}{}$
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+
+\end_inset
+
+
+\begin_inset space \hspace*{\fill}
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+
+\lang english
+The command scheme is for all these arrows:
+\end_layout
+
+\begin_layout Standard
+\align center
+\begin_inset Tabular
+
+
+
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+コマンド
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+出力
+\begin_inset Note Note
+status collapsed
+
+\begin_layout Plain Layout
+
+\series bold
+\lang english
+
+\backslash
+raisebox
+\series default
+ is only used as spacer.
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\end_inset
+ |
+
+
+|
+\begin_inset Text
+
+\begin_layout Plain Layout
+F(a)
+\backslash
+xleftrightarrow[x=a]
+\backslash
+{x>0
+\begin_inset Formula $\to$
+\end_inset
+
+F(x)
+\end_layout
+
+\end_inset
+ |
+
+\begin_inset Text
+
+\begin_layout Plain Layout
+\begin_inset Formula $\raisebox{6mm}{}F(a)\xleftrightarrow[x=a]{x>0}F(x)\raisebox{-4mm}{}$
\end_inset
@@ -27975,13 +28528,7 @@ The command for the first numerator above is:
\series bold
\backslash
-splitfrac
-\begin_inset space \textvisiblespace{}
-\end_inset
-
-
-\backslash
-{xy+xy+xy+xy+xy
+splitfrac{xy+xy+xy+xy+xy
\begin_inset space \textvisiblespace{}
\end_inset
|