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bug#52342: [PATCH] Add Texinfo support for Flymake


From: João Távora
Subject: bug#52342: [PATCH] Add Texinfo support for Flymake
Date: Tue, 7 Dec 2021 23:43:51 +0000


On Tue, Dec 7, 2021 at 11:39 PM Okamsn <okamsn@protonmail.com> wrote:
On 12/7/21 09:23, João Távora wrote:
> Not sure about the eval-when-compile for require.  It was my
> _expression_ that require is always "when compile".
>
> I've unfortunately been a little away from Emacs lately.
>
> João

My understanding is that `eval-when-compile` is used to make sure that
macro definitions are available during compilation and that the
libraries are not loaded when `texinfo.el` is loaded.  The macros in the
patch are `rx`, `cl-loop`, and `flymake-log`.

require is always `eval-and-compile` (sorry if I misled you earlier).
It's OK to use `eval-when-compile` when needing `cl-loop` from `cl-lib`
if _all_ you need form `cl-lib` is indeed macros.

But for flymake, you need the actual runtime things too, right? So
I think plain require is better and simpler
 
There is also the following comment on line 82 of the current version
(https://git.savannah.gnu.org/cgit/emacs.git/tree/lisp/textmodes/texinfo.el#n82):

 > Don't you dare insert any `require' calls at top level in this file
 > --rms.

which I tried to observe.

No comment :-)

Anyway, let's hear what byte-compiler guru Stefan Monnier has to say
about this?

João

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