bug#69720: 29.2; `shortdoc-copy-function-as-kill' copies the ')' for some functions

[Eli Zaretskii <eliz@gnu.org>]

> From: <tpeplt@gmail.com>
> Date: Sun, 10 Mar 2024 14:47:52 -0400
> 
> Emacs Maintainers,
> 
>    The function ‘shortdoc-copy-function-as-kill’ copies the
> function name of the function of the shortdoc item in
> which point is located.  This works as expected when a
> function has arguments, but when a function does not have
> arguments, then ‘shortdoc-copy-function-as-kill’ copies the
> trailing parenthesis (that is, the ‘)’).
> 
>    So, for example in the shortdoc function summary for
> ‘buffer’, when point is in the item for ‘current-buffer’,
> then ‘shortdoc-copy-function-as-kill’ (mapped to ‘w’) will
> copy the text "current-buffer)", rather than the expected
> "current-buffer".  The same error occurs for ‘point’,
> ‘point-min’, ‘point-max’, and so on.
> 
>    In the definition of ‘shortdoc-copy-function-as-kill’,
> the specification of the regular expression that is used to
> match the function name searches for a space (" ") to find
> the end of the name, rather than searching for a space or
> right parenthesis (" )").  That is, the expression (in " ")
> in the ‘when-let*’ expression:
> 
>     (when-let* ((re (rx bol "(" (group (+ (not (in " "))))))...
> 
> A possible fix is to change (in " ") to (in " )"):
> 
>     (when-let* ((re (rx bol "(" (group (+ (not (in " )"))))))...

Thanks, fixed on the emacs-29 branch, and closing the bug.