Thanks Mark S. $(currentTiddler)$ simplified my macro.
It was the <<qualify>> macro's weird behaviour that caused me to hash things out this way - see the Any idea how to collapse/expand section within a tiddler <https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!topic/tiddlywiki/F9ACy0bQc9w> thread. -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/8fb29d30-d5be-4bc2-8716-c186e3585965%40googlegroups.com.

