Output Preamble code of InPreamble styles before the styles themselves.

This assures that macros are defined.

Fixes: #10215

src/LaTeXFeatures.cpp

@@ -1484,7 +1484,10 @@ docstring const LaTeXFeatures::getTClassPreamble() const
 	list<docstring>::const_iterator cit = usedLayouts_.begin();
 	list<docstring>::const_iterator end = usedLayouts_.end();
 	for (; cit != end; ++cit)
-		tcpreamble << tclass[*cit].preamble();
+		// For InPreamble layouts, we output the preamble stuff earlier
+		// (before the layouts). See Paragraph::Private::validate.
+		if (!tclass[*cit].inpreamble)
+			tcpreamble << tclass[*cit].preamble();
 
 	cit = usedInsetLayouts_.begin();
 	end = usedInsetLayouts_.end();

src/Paragraph.cpp

@@ -1386,6 +1386,7 @@ void Paragraph::Private::validate(LaTeXFeatures & features) const
 		// that needs to switch encoding.
 		odocstringstream ods;
 		otexstream os(ods, texrow);
+		os << layout_->preamble();
 		if (is_command) {
 			os << '\\' << from_ascii(layout_->latexname());
 			// we have to provide all the optional arguments here, even though

status.22x

@@ -73,8 +73,6 @@ What's new
 - Updated Arabic, Brazilian, Chinese, German, Italian, Slovakian, Swedish,
   Ukrainian and French user interface localization.
 
-- Fix translation of Fixme module description (bug 10058).
-
 
 * BUILD/INSTALLATION
 
@@ -131,6 +129,9 @@ What's new
 
 - Handle backslash in label and ref insets (bug 4595).
 
+- Output Preamble code of InPreamble styles before the styles themselves
+  (bug 10215).
+
 
 * LYX2LYX
 
@@ -221,6 +222,8 @@ What's new
 - Added some comments to User Guide section 6.1 about defining formatted
   references (bug 10545).
 
+- Fix translation of Fixme module description (bug 10058).
+
 
 * LYXHTML