Fixes to the language package call

* Assure that really no language package is called when none is selected.
* Only call global custom package if global is desired.
This is a candidate for branch as well.

src/BufferParams.cpp

@@ -2625,7 +2625,8 @@ string BufferParams::babelCall(string const & lang_opts, bool const langoptions)
 	if (lang_package != "auto" && lang_package != "babel"
 	    && lang_package != "default" && lang_package != "none")
 		return lang_package;
-	if (lyxrc.language_package_selection == LyXRC::LP_CUSTOM)
+	if (lang_package == "default"
+	    && lyxrc.language_package_selection == LyXRC::LP_CUSTOM)
 		return lyxrc.language_custom_package;
 	// suppress the babel call if there is no BabelName defined
 	// for the document language in the lib/languages file and if no

src/LaTeXFeatures.cpp

@@ -291,15 +291,13 @@ LaTeXFeatures::LaTeXFeatures(Buffer const & b, BufferParams const & p,
 
 bool LaTeXFeatures::useBabel() const
 {
-	if (usePolyglossia())
+	if (usePolyglossia()
+	    || bufferParams().lang_package == "none"
+	    || (bufferParams().lang_package == "default"
+	        && lyxrc.language_package_selection == LyXRC::LP_NONE))
 		return false;
-	if (bufferParams().lang_package == "default")
-		return (lyxrc.language_package_selection != LyXRC::LP_NONE)
-			|| (bufferParams().language->lang() != lyxrc.default_language
-			    && !bufferParams().language->babel().empty())
-			|| this->hasLanguages();
-	return (bufferParams().lang_package != "none")
-		|| (bufferParams().language->lang() != lyxrc.default_language
+
+	return (bufferParams().language->lang() != lyxrc.default_language
 		&& !bufferParams().language->babel().empty())
 		|| this->hasLanguages();
 }

status.20x

@@ -98,6 +98,8 @@ What's new
 
 - Fix babel call with Arabic (arabi).
 
+- Fix suppression of language package.
+
 
 * USER INTERFACE