GNU bug report logs - #47388
27.1; eldoc-documentation-function is ignore in updated eldoc

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Package: emacs;

Reported by: Alex Branham <alex.branham <at> gmail.com>

Date: Thu, 25 Mar 2021 14:06:01 UTC

Severity: normal

Found in version 27.1

Done: Alex Branham <alex.branham <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: João Távora <joaotavora <at> gmail.com>
Cc: "Basil L. Contovounesios" <contovob <at> tcd.ie>, Alex Branham <alex.branham <at> gmail.com>, 47388 <at> debbugs.gnu.org
Subject: bug#47388: 27.1; eldoc-documentation-function is ignore in updated eldoc
Date: Sun, 28 Mar 2021 15:39:01 -0400

>>>   (when (function-equal #'ignore eldoc-documentation-function)
>>>         (setq-local eldoc-documentation-function
>>> #'eldoc-documentation-default|compose|whatever))))
>>
>> BTW, using code like the one above is tolerable, usually for historical
>> reasons, but new APIs should aim not to need such things: comparing
>> functions is fundamentally always a hack.
>
> So is run-time version checking, the risk is mostly the same.

I just wanted to make sure that it's only needed for backward
compatibility reasons.


        Stefan
This bug report was last modified 4 years and 56 days ago.

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