I think I've fixed this (commit at GitHub).
Next 2.5 beta will allow single/double quotes, spaces and many other characters in tags.
If you need this now in the stable version I can tell you what patches must be done to 2.4.4, or maybe release a version 2.4.5 just with these changes.
Next 2.5 beta will allow single/double quotes, spaces and many other characters in tags.
If you need this now in the stable version I can tell you what patches must be done to 2.4.4, or maybe release a version 2.4.5 just with these changes.