GNU bug report logs - #64533
[PATCH] Support displaying function name in the header line

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Spencer Baugh <sbaugh <at> janestreet.com>
Subject: bug#64533: closed (Re: bug#64533: [PATCH] Support displaying
 function name in the header line)
Date: Sat, 15 Jul 2023 08:03:02 +0000

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Your bug report

#64533: [PATCH] Support displaying function name in the header line

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 64533 <at> debbugs.gnu.org.

-- 
64533: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64533
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Eli Zaretskii <eliz <at> gnu.org>
To: sbaugh <at> catern.com
Cc: sbaugh <at> janestreet.com, schwab <at> linux-m68k.org, 64533-done <at> debbugs.gnu.org
Subject: Re: bug#64533: [PATCH] Support displaying function name in the header
 line
Date: Sat, 15 Jul 2023 11:02:50 +0300

> From: sbaugh <at> catern.com
> Date: Sun, 09 Jul 2023 17:26:09 +0000 (UTC)
> Cc: Spencer Baugh <sbaugh <at> janestreet.com>, schwab <at> linux-m68k.org,
> 	64533 <at> debbugs.gnu.org
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> >> +This should be a list of symbols.  If it contains 'mode, display
> >> +in the mode line.  If it contains 'header, display in the header
> >> +line."
> >
> > Which leaves it to the user to deduce that '(mode header) means both:
> > yet another reason not to prefer this kind of values in user options.
> >
> > It also doesn't tell how to disable this display: another riddle left
> > to the user to solve.
> >
> > Let's always remember that Emacs users are not necessarily experienced
> > Lispers.  User options should not be "tricky", especially where such
> > trickery is unjustified.  And the doc strings should not pose riddles,
> > however logical they seem to us.
> >
> > Thanks.
> 
> Fair point.  Back to the single symbol.

Thanks, installed on master, and closing the bug.

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From: Spencer Baugh <sbaugh <at> janestreet.com>
To: bug-gnu-emacs <at> gnu.org
Subject: [PATCH] Support displaying function name in the header line
Date: Sat, 08 Jul 2023 13:56:23 -0400

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Tags: patch


In some languages, the function name as displayed in the mode-line by
which-func-mode can be quite long.  It's useful to be able to display
it in the header-line instead.  Let's support that.

This was my original motivation for Bug#63825, so that the header line
was not displayed when which-func-mode wasn't enabled, but just teaching
which-function-mode to handle this is much easier.

* lisp/progmodes/which-func.el (which-func-use-header-line)
(which-func-use-mode-line): Add.
(which-func-try-to-enable): Support which-func-use-header-line.
(which-func--disable): Add, to support which-func-use-header-line.
(which-func-ff-hook, which-func-update-1): Use which-func--disable.

In GNU Emacs 29.0.92 (build 3, x86_64-pc-linux-gnu, X toolkit, cairo
 version 1.15.12, Xaw scroll bars) of 2023-07-05 built on
 igm-qws-u22796a
Repository revision: 4127aa427fc7e2cb5b3dbae9264c2ee628474db4
Repository branch: emacs-29
Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
System Description: CentOS Linux 7 (Core)

Configured using:
 'configure --config-cache --with-x-toolkit=lucid
 --with-gif=ifavailable'

[0001-Support-displaying-function-name-in-the-header-line.patch (text/patch, attachment)]

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