GNU bug report logs - #8951
24.0.50; [PATCH] enhancement request: buttonize key names

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From: Stefan Kangas <stefan <at> marxist.se>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 8951 <at> debbugs.gnu.org, Drew Adams <drew.adams <at> oracle.com>
Subject: bug#8951: 24.0.50; [PATCH] enhancement request: buttonize key names
Date: Fri, 22 Oct 2021 17:46:24 -0700

[Message part 1 (text/plain, inline)]

tags 8951 + patch
thanks

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>> What is the feature?  Let users click a key description (i.e., a
>> key name, such as `C-f') in a buffer such as *Help* to see the
>> associated help.  This applies to key descriptions derived from
>> \[...] doc patterns (only).
>
> That looks like a good idea.  Have you tried to plug it directly into
> substitute-command-keys instead?  Are there places where such buttons
> become annoying?

(I have had a patch sitting around for a while, but it failed bootstrap.
It turns out that the fix was a simple `fboundp', heh.)

The attached patch adds a new option `help-mode--add-function-link' that
when non-nil makes `substitute-command-keys' add a link to the
`describe-function' for the bound command when inserting keys.

I have reconsidered my previously held opinion that this should be off
by default.  From using this patch, I have come to the conclusion that
this position is wrong, as this is in fact highly useful in places such
as `M-x ibuffer RET C-h m' and on many other help screen besides.  The
only adverse effect of enabling it, furthermore, is that you might have
to hit TAB a couple of times more on some help screens.  So I think
having it on by default is very much a good thing.

[0001-Add-new-option-help-link-key-to-documentation.patch (text/x-diff, attachment)]

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