X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Foutput_xhtml.cpp;h=d8299ce5c4511a30df32133583a5f86fde4c6aa1;hb=fa8dae4201fc25da685a21de0f8968678df8f119;hp=f6ab5a5a02ff72942d4aef3be0d78393e3825bf5;hpb=680b6e78e4d124a8426c5a519010f3b9e2591592;p=lyx.git

diff --git a/src/output_xhtml.cpp b/src/output_xhtml.cpp
index f6ab5a5a02..d8299ce5c4 100644
--- a/src/output_xhtml.cpp
+++ b/src/output_xhtml.cpp
@@ -32,6 +32,7 @@
 #include "support/debug.h"
 #include "support/lassert.h"
 #include "support/lstrings.h"
+#include "support/textutils.h"
 
 #include <vector>
 
@@ -128,11 +129,10 @@ docstring cleanAttr(docstring const & str)
 	docstring newname;
 	docstring::const_iterator it = str.begin();
 	docstring::const_iterator en = str.end();
-	for (; it != en; ++it)
-		if (isalnum(*it))
-			newname += *it;
-		else
-			newname += '_';
+	for (; it != en; ++it) {
+		char_type const c = *it;
+		newname += isAlnumASCII(c) ? c : char_type('_');
+	}
 	return newname;	
 }