- allow underscores in CSS class names / ids

- remove control characters from clean strings, and map all space characters to ASCII space (\x20)


git-svn-id: file:///svn/phpbb/trunk@6932 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/styles/subSilver/theme/stylesheet.css

@@ -638,7 +638,7 @@ input.radio {
 
 /* Misc
  ------------ */
- img {
+img {
 	border: none;
 }