Handle comments in options

Things like
pdfpagemode=UseOutlines%None,UseOutlines,UseThumbs,FullScreen

was not imported correctly (the comment was not stripped)

Fixes the rest of #5737

(cherry picked from commit 820ec38da7)

src/tex2lyx/Preamble.cpp

@@ -281,7 +281,7 @@ vector<string> split_options(string const & input)
 			p.skip_spaces(true);
 			if (p.next_token().asInput() == "{")
 				option += '{' + p.getArg('{', '}') + '}';
-		} else if (t.cat() != catSpace)
+		} else if (t.cat() != catSpace && t.cat() != catComment)
 			option += t.asInput();
 	}
 

status.23x

@@ -152,6 +152,8 @@ What's new
 
 - Fix parsing issue in nested CJK (bug 9562).
 
+- Fix import of package options with comments (bug 5737).
+
 
 * ADVANCED FIND AND REPLACE