bug#59314: 29.0.50; EUDC and message-mode header completion

[Alexander Adolf]

Thomas Fitzsimmons <fitzsim@fitzsim.org> writes:

> [...]
> The eventual message.el refactoring could work.  But for now, for Emacs
> 29.1, let's focus on what's already in message.el, which is a lot!

Fully agree.

> In particular, I'm trying to make this recipe do something useful, with
> a minimal patch to message.el.
> [...]

Looking at this now.

While I set this up: What's your value of the variable
`completion-styles` during this test? Does changing `completion-styles`
to '(substring partial-completion) for the test change the result and
outcome?


Cheers,

  --alexander