New simplified definition of \lyxmathsym and better re-import from latex.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_6_X@28989 a592a061-630c-0410-9148-cb99ea01b6c8

lib/chkconfig.ltx

@@ -228,6 +228,7 @@
 %%% Packages
 \TestPackage{accents}
 \TestPackage{algorithm}
+\TestPackage{amstext}
 \TestPackage{array}
 \TestPackage{babel}
 \TestPackage{bibtopic}
@@ -262,7 +263,6 @@
 \TestPackage{pdfpages}
 \TestPackage{prettyref}
 \TestPackage{preview}
-\TestPackage{relsize}
 \TestPackage{rotating}
 \TestPackage{rotfloat}
 \TestPackage{setspace}

lib/doc/LaTeXConfig.lyx

@@ -3537,14 +3537,14 @@ longtable
 \end_layout
 
 \begin_layout Subsection
-relsize
+amstext
 \end_layout
 
 \begin_layout Description
 Found: 
 \begin_inset Info
 type  "package"
-arg   "relsize"
+arg   "amstext"
 \end_inset
 
 
@@ -3553,13 +3553,13 @@ arg   "relsize"
 \begin_layout Description
 CTAN: 
 \family typewriter
-macros/latex/contrib/misc/
+macros/latex/required/amslatex/math/
 \end_layout
 
 \begin_layout Description
 Notes: The package 
 \family sans
-relsize
+amstext
 \family default
  is needed by LyX to correctly size unicode symbols used as super or subscripts
  in math.

lib/doc/ja/LaTeXConfig.lyx

@@ -3277,14 +3277,14 @@ longtable
 \end_layout
 
 \begin_layout Subsection
-relsize
+amstext
 \end_layout
 
 \begin_layout Description
 検出: 
 \begin_inset Info
 type  "package"
-arg   "relsize"
+arg   "amstext"
 \end_inset
 
 
@@ -3293,13 +3293,13 @@ arg   "relsize"
 \begin_layout Description
 CTAN: 
 \family typewriter
-macros/latex/contrib/misc/
+macros/latex/required/amslatex/math/
 \end_layout
 
 \begin_layout Description
 備考: 
 \family sans
-relsize
+amstext
 \family default
 パッケージは、unicodeシンボルを数式内で上付きや下付き文字にする際、LyXが正しい寸法に調整するのに必要とします。
 \end_layout

src/Encoding.cpp

@@ -601,7 +601,7 @@ void Encodings::validate(char_type c, LaTeXFeatures & features, bool for_mathed)
 		}
 	}
 	if (for_mathed && isMathSym(c)) {
-		features.require("relsize");
+		features.require("amstext");
 		features.require("lyxmathsym");
 	}
 #endif

src/LaTeXFeatures.cpp

@@ -201,11 +201,8 @@ static string const textcyr_def =
 	"\\AtBeginDocument{\\DeclareFontEncoding{T2A}{}{}}\n";
 
 static string const lyxmathsym_def =
-	"\\DeclareRobustCommand{\\lyxmathsym}[1]{\\ifmmode\\begingroup\\def\\b@ld{bold}\n"
-	"  \\def\\rmorbf##1{\\ifx\\math@version\\b@ld\\textbf{##1}\\else\\textrm{##1}\\fi}\n"
-	"  \\mathchoice{\\hbox{\\rmorbf{#1}}}{\\hbox{\\rmorbf{#1}}}\n"
-	"  {\\hbox{\\smaller[2]\\rmorbf{#1}}}{\\hbox{\\smaller[3]\\rmorbf{#1}}}\n"
-	"  \\endgroup\\else#1\\fi}\n";
+	"\\newcommand{\\lyxmathsym}[1]{\\ifmmode\\begingroup\\def\\b@ld{bold}\n"
+	"  \\text{\\ifx\\math@version\\b@ld\\bfseries\\fi#1}\\endgroup\\else#1\\fi}\n";
 
 static string const papersizedvi_def =
 	"\\special{papersize=\\the\\paperwidth,\\the\\paperheight}\n";
@@ -513,7 +510,6 @@ char const * simplefeatures[] = {
 	// listings is handled in BufferParams.cpp
 	"bm",
 	"pdfpages",
-	"relsize",
 	"amscd",
 	"slashed"
 };
@@ -585,9 +581,12 @@ string const LaTeXFeatures::getPackages() const
 	        && params_.use_esint == BufferParams::package_off
 	        && params_.use_amsmath != BufferParams::package_off)) {
 		packages << "\\usepackage{amsmath}\n";
-	} else if (mustProvide("amsbsy")) {
-		// amsbsy is already provided by amsmath
-		packages << "\\usepackage{amsbsy}\n";
+	} else {
+		// amsbsy and amstext are already provided by amsmath
+		if (mustProvide("amsbsy"))
+			packages << "\\usepackage{amsbsy}\n";
+		if (mustProvide("amstext"))
+			packages << "\\usepackage{amstext}\n";
 	}
 	
 	// wasysym is a simple feature, but it must be after amsmath if both

src/mathed/MathParser.cpp

@@ -1659,17 +1659,18 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
 				return success_;
 			}
 			docstring rem;
-			cmd = Encodings::fromLaTeXCommand(cmd, rem);
-			for (size_t i = 0; i < cmd.size(); ++i)
-				cell->push_back(MathAtom(new InsetMathChar(cmd[i])));
-			if (rem.size()) {
-				MathAtom at = createInsetMath(t.cs());
-				cell->push_back(at);
-				MathData ar;
-				if (!mathed_parse_cell(ar, '{' + rem + '}', mode_))
-					success_ = false;;
-				cell->append(ar);
-			}
+			do {
+				cmd = Encodings::fromLaTeXCommand(cmd, rem);
+				for (size_t i = 0; i < cmd.size(); ++i)
+					cell->push_back(MathAtom(new InsetMathChar(cmd[i])));
+				if (rem.size()) {
+					char_type c = rem[0];
+					cell->push_back(MathAtom(new InsetMathChar(c)));
+					cmd = rem.substr(1);
+					rem.clear();
+				} else
+					cmd.clear();
+			} while (cmd.size());
 		}
 
 		else if (t.cs().size()) {

status.16x

@@ -49,6 +49,9 @@ What's new
 - Quotes in InsetListings are now plain quotes, rather than InsetQuote
   entries (bug 5782).
 
+- Improved re-import from LaTeX of documents containing unadorned unicode
+  symbols in math.
+
 
 * USER INTERFACE