X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLaTeXFeatures.cpp;h=457029319b8109da841cf89bfac087c1840ee31e;hb=2098f1d8c20d51e63e670bcdc9da8996068975bf;hp=81bebfdeda7416f63ae6ea4d66fc07a0ec5100de;hpb=537caa8833233f0157ec96d3a6fdc11d50ba537e;p=lyx.git

diff --git a/src/LaTeXFeatures.cpp b/src/LaTeXFeatures.cpp
index 81bebfdeda..457029319b 100644
--- a/src/LaTeXFeatures.cpp
+++ b/src/LaTeXFeatures.cpp
@@ -195,10 +195,9 @@ static docstring const changetracking_none_def = from_ascii(
 	"\\newcommand{\\lyxdeleted}[3]{}\n");
 
 static docstring const textgreek_def = from_ascii(
-	"\\providecommand*{\\perispomeni}{\\char126}\n"
 	"\\AtBeginDocument{\\DeclareRobustCommand{\\greektext}{%\n"
 	"  \\fontencoding{LGR}\\selectfont\\def\\encodingdefault{LGR}%\n"
-	"  \\renewcommand{\\~}{\\perispomeni}\n"
+	"  \\renewcommand{\\~}{\\char126}%\n"
 	"}}\n"
 	"\\DeclareRobustCommand{\\textgreek}[1]{\\leavevmode{\\greektext #1}}\n"
 	"\\DeclareFontEncoding{LGR}{}{}\n");
@@ -641,7 +640,7 @@ string const LaTeXFeatures::getPackages() const
 	// the document does not contain integrals (then isRequired("esint")
 	// is false) or if esint is used, since esint redefines all relevant
 	// integral symbols from wasysym and amsmath.
-	// See http://bugzilla.lyx.org/show_bug.cgi?id=1942
+	// See http://www.lyx.org/trac/ticket/1942
 	if (mustProvide("wasysym") &&
 	    (params_.use_esint != BufferParams::package_off || !isRequired("esint")))
 		packages << "\\usepackage{wasysym}\n";
@@ -745,7 +744,8 @@ string const LaTeXFeatures::getPackages() const
 		packages << "\\PassOptionsToPackage{normalem}{ulem}\n"
 			    "\\usepackage{ulem}\n";
 
-	if (mustProvide("mhchem"))
+	if (mustProvide("mhchem") &&
+		params_.use_mhchem != BufferParams::package_off)
 		packages << "\\PassOptionsToPackage{version=3}{mhchem}\n"
 			    "\\usepackage{mhchem}\n";
 
@@ -764,18 +764,27 @@ string const LaTeXFeatures::getPackages() const
 }
 
 
+string LaTeXFeatures::getPreambleSnippets() const 
+{
+	ostringstream snip;
+	SnippetList::const_iterator pit  = preamble_snippets_.begin();
+	SnippetList::const_iterator pend = preamble_snippets_.end();
+	for (; pit != pend; ++pit)
+		snip << *pit << '\n';
+	return snip.str();
+}
+
+
 docstring const LaTeXFeatures::getMacros() const
 {
 	odocstringstream macros;
 
-	if (!preamble_snippets_.empty())
+	if (!preamble_snippets_.empty()) {
 		macros << '\n';
-	SnippetList::const_iterator pit  = preamble_snippets_.begin();
-	SnippetList::const_iterator pend = preamble_snippets_.end();
-	for (; pit != pend; ++pit)
-		macros << *pit << '\n';
+		macros << from_utf8(getPreambleSnippets());
+	}
 
-        if (mustProvide("papersize")) {
+	if (mustProvide("papersize")) {
 		if (runparams_.flavor == OutputParams::LATEX)
 			macros << papersizedvi_def << '\n';
 		else