Hello Mat, thank you for your example. I ended with something similar for another implementation.
My requirement for what I originally asked here does not allow me to change or override any core macro, so I can't implement my own tabs. I still thinking we need a widget that acts on loading -- 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 post to this group, send email to tiddlywiki@googlegroups.com. Visit this group at https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/e6804885-884a-40d0-adc6-2e3dbe950803%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.