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bug#14797: 24.3.50; new, undocumented menu structure using VECTORS?
From: |
Stefan Monnier |
Subject: |
bug#14797: 24.3.50; new, undocumented menu structure using VECTORS? |
Date: |
Fri, 05 Jul 2013 06:42:04 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) |
> I don't see anything in the manual that mentions that a menu can take
> this form. Dunno whether I am not reading it well enough or the doc is
> incomplete.
Indeed, vectors are an old format that is deprecated but
still supported. They are similar to char-tables (which are supported,
on the other hand).
> (I do not understand how someone can make such a fundamental change and
> not mention it in NEWS. New menu structures are not something that
> Emacs adds everyday.)
That's because it's a new menu structure, on the contrary.
> 2. Beyond that, using vectors here is a PITA for Lisp code. It makes
> code that traverses such code difficult, if not impossible. Without
> this change to vectors, a simple recursion on a list cdr is all that is
> needed.
You should probably use `map-keymap' instead.
Stefan