GNU bug report logs - #78905
31.0.50; Extra dot in C-h k output

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From: Stephen Berman <stephen.berman <at> gmx.net>
To: 78905 <at> debbugs.gnu.org
Cc: me <at> eshelyaron.com
Subject: bug#78905: 31.0.50; Extra dot in C-h k output
Date: Thu, 26 Jun 2025 12:54:37 +0200

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On Thu, 26 Jun 2025 11:51:45 +0200 Eshel Yaron via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org> wrote:

> Hi,
>
> On the current master, I see:
>
> 1. emacs -Q
> 2. C-x C-j
> 3. C-h k d
>
> This produces a *Help* buffer saying:
>
>   d runs the command dired-flag-file-deletion (found in dired-mode-map),
>   which is an interactive byte-code-function in ‘dired.el’.
>
>   It is bound to d.
>   .
>
>   (dired-flag-file-deletion ARG &optional INTERACTIVE)
>   ...
>
>
> Note the extra, unexpected dot and newline after "It is bound to d."

This is due to this commit:

commit ebeeced9e3ca94bbb679730155a2582bc12f8ea7
Author:     Eli Zaretskii <eliz <at> gnu.org>
Commit:     Eli Zaretskii <eliz <at> gnu.org>
CommitDate: Tue May 13 18:50:31 2025 +0300

    Fix description of a remapped command's bindings
    
    * lisp/help-fns.el (help-fns--key-bindings): Qualify the
    description of any menu-bar bindings by remapping.  (Bug#78391)

The following patch is a possible fix (at least, it prevents the extra
dot in the above recipe):

[Message part 2 (text/x-patch, inline)]

diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index 481360b5d3c..81ca89ea0ac 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -632,7 +632,7 @@ help-fns--key-bindings
                              (format-message "`%s'" remapped)
 		           "an anonymous command"))
                   (princ "as well.\n"))
-                (or remapped (princ "."))
+                (or remapped (unless (bolp) (princ ".")))
                 (fill-region-as-paragraph start (point))))
             (ensure-empty-lines)))))))
 

[Message part 3 (text/plain, inline)]

Steve Berman

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