From cd68c6afdf46f9a5abc5626204e07c0682282edc Mon Sep 17 00:00:00 2001
From: Juergen Spitzmueller <spitz@lyx.org>
Date: Sun, 10 Jul 2016 11:13:13 +0200
Subject: [PATCH] Clarify some comments wrt XeTeX/LuaTeX (see bug #10013)

---
 src/BufferParams.cpp              | 6 +++++-
 src/frontends/qt4/GuiDocument.cpp | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index ff45e34ddb..d4ce087c04 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -2123,6 +2123,7 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
 
 	// xunicode needs to be loaded at least after amsmath, amssymb,
 	// esint and the other packages that provide special glyphs
+	// The package only supports XeTeX currently.
 	if (features.runparams().flavor == OutputParams::XETEX
 	    && useNonTeXFonts)
 		lyxpreamble += "\\usepackage{xunicode}\n";
@@ -2344,7 +2345,10 @@ string BufferParams::bufferFormat() const
 	string format = documentClass().outputFormat();
 	if (format == "latex") {
 		if (useNonTeXFonts)
-			return "xetex"; // actually "xetex or luatex"
+			// FIXME: In this context, this means "xetex or luatex"
+			// with fontspec. We cannot differentiate further here.
+			// But maybe use a more appropriate string.
+			return "xetex";
 		if (encoding().package() == Encoding::japanese)
 			return "platex";
 	}
diff --git a/src/frontends/qt4/GuiDocument.cpp b/src/frontends/qt4/GuiDocument.cpp
index 15fb71958f..e56407b01d 100644
--- a/src/frontends/qt4/GuiDocument.cpp
+++ b/src/frontends/qt4/GuiDocument.cpp
@@ -1745,7 +1745,7 @@ void GuiDocument::deleteBoxBackgroundColor()
 
 void GuiDocument::languageChanged(int i)
 {
-	// some languages only work with polyglossia/XeTeX
+	// some languages only work with polyglossia
 	Language const * lang = lyx::languages.getLanguage(
 		fromqstr(langModule->languageCO->itemData(i).toString()));
 	if (lang->babel().empty() && !lang->polyglossia().empty()) {