it seems that now only relative paths work
IIRC, this is (at least in part) due to browser restrictions. I assume you're using Firefox?
http://tiddlywiki.org/wiki/Firefox#File_Access
Sorry, couldn't find where to report this bug properly. Trac.tiddlywiki.org? Couldn't find button 'Report Bug' there.
After registering an account there, you will get a "New Ticket" button (unfortunately, that step is required to prevent spam).
Replaced the line [...] with these three [...]
I went ahead and raised a ticket, including a patch with your suggested change:
http://trac.tiddlywiki.org/ticket/1218 -- F. -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To post to this group, send email to tiddlyw...@googlegroups.com. To unsubscribe from this group, send email to tiddlywiki+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/tiddlywiki?hl=en.