Hi Josiah, This works because a <br> inserts a (line) break, while a tag with a fantasy name and/or a comment break the blockquote in two quotes as well, but insert double nothing.
These work too: > ''My Later Headline'' <!-- hercule poirot --> > <<tree "$:/core/buttonstyles/">> --- > ''My Even Later Headline'' <TiddlyTweeter/> > <<tree "$:/core/buttonstyles/">> Cheers, Thomas aka Mr. Watson -- 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/b5ce6c76-073b-49c6-bfc0-88c85ddf8595%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.