One step closer: the filter is faulty due to "!has[]", it seems as if "has" doesn't notice that I didn't add a tag to the new tiddler.
[[New Tiddler]!has[tags]] The output of the filter is empty even though the New Tiddler has no tags. -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/344ffeda-007f-4e9b-a867-e8b0a1904c18%40googlegroups.com.