GNU bug report logs - #74934
30.0.92; Unexpected behavior by which-function-mode in erc-mode buffers

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Anush V <j <at> gnu.org>
Subject: bug#74934: closed (Re: bug#74934: 30.0.92; Unexpected behavior by
 which-function-mode in erc-mode buffers)
Date: Sun, 22 Dec 2024 19:53:03 +0000

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

Your bug report

#74934: 30.0.92; Unexpected behavior by which-function-mode in erc-mode buffers

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 74934 <at> debbugs.gnu.org.

-- 
74934: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=74934
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: "J.P." <jp <at> neverwas.me>
To: 74934-done <at> debbugs.gnu.org
Cc: Eli Zaretskii <eliz <at> gnu.org>, emacs-erc <at> gnu.org, j <at> gnu.org
Subject: Re: bug#74934: 30.0.92; Unexpected behavior by which-function-mode
 in erc-mode buffers
Date: Sun, 22 Dec 2024 11:51:57 -0800

"J.P." <jp <at> neverwas.me> writes:

> Eli Zaretskii <eliz <at> gnu.org> writes:
>
>> Is this for the release branch?  That is, is this a recent regression?
>
> No, this is for Emacs master (and ERC 5.6.1). AFAICT, the bug has been
> with us since at least Emacs 26.3, although "[n/a]" used to be "[???]".

This has been installed as

  https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=d1c670f0

>
>>
>> And if so, what is the second patch for?
>
> For anyone wondering, the second patch is for contributors working on
> ERC (I will add a news item).

I moved the dev utility to

  test/lisp/erc/resources/erc-tests-common.el

and changed it to only modify the local binding of the variable
`imenu-generic-expression'. Installed as:

  https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=e9591fae

Thanks and closing.

[Message part 3 (message/rfc822, inline)]

From: Anush V <j <at> gnu.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.92; Unexpected behavior by which-function-mode in erc-mode
 buffers
Date: Tue, 17 Dec 2024 19:43:51 -0500

Hello Maintainers,

I guess this is probably unexpected behavior by which-function-mode in erc-mode
buffers and so reporting this.


steps to reproduce:
emacs --no-init
M-x erc
;; join some channel.
M-x which-function-mode

Current behavior:
In erc buffers, which-function-mode displays either "[n/a]" or a string based on
the chat history in the mode line.

Expected behavior:
which-function-mode shouldn’t be adding any string to mode line in erc buffers


Thank you for your time!

* * *

In GNU Emacs 30.0.92 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.41, cairo
version 1.18.0)
Windowing system distributor 'The X.Org Foundation', version 11.0.12101014
System Description: Guix System

Configured using:
 'configure
 CONFIG_SHELL=/gnu/store/3jhfhxdf6v5ms10x5zmnl166dh3yhbr1-bash-minimal-5.1.16/bin/bash
 SHELL=/gnu/store/3jhfhxdf6v5ms10x5zmnl166dh3yhbr1-bash-minimal-5.1.16/bin/bash --prefix=/gnu/store/dgpfiflaxb8j33jcbqk29wadcykajl51-emacs-next-30.0.92-0.881d593 --enable-fast-install --with-cairo --with-modules --with-native-compilation=aot --disable-build-details'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG LCMS2
LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY INOTIFY
PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS
TREE_SITTER X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB

--
Regards,
Anush V

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