Hi, I'm often using empty header titles that only contain tags, such as > ** :foo: In my case, this is sufficient (for instance for flashcards, where I never have to actually have to use the agenda etc.). However, since Nicolas's refactoring in be31a0c4595a6d68b03b5cfbcbcdbf2cd76d2b7f empty titles seem to be prohibited. In the above example, using subtrees (C-/ m) on the "foo" tag will return nothing, even though the tag is in the file. Is this a deliberate change? I didn't see a note in the manual saying that headings must not be empty (this might be useful then). Thanks for your help guys! Cheers Christian