On Tue, Apr 18, 2023 at 7:10 PM Adam Porter <adam@alphapapa.net> wrote:

> FWIW, this sounds similar to the topsy.el library I published on MELPA a
> couple of years ago.  It aims to provide similar (or better)
> functionality than semantic-stickyfunc-mode without using Semantic.

Had a look, but doesn't seem to work with Imenu directly.  That's a goal
here, because it makes this work for Eglot and also any other non-Eglot
client that already defines an imenu.

Also seems to have a slightly different goal.  The goal here, is for
the headerline to show the current position in terms of the intervals
it intersects in the imenu tree, which may be a deep hierarchical
tree in some languages.

Here's what I've come up with: it's fresh out of the oven :-)

(meaning probably buggy, but hopefully hot)

João