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* bug#65513: 29.1; Ansi colors do not work in compilation buffers
@ 2023-08-24 20:30 Daniel Zurawski
  2023-08-25  6:29 ` Eli Zaretskii
  0 siblings, 1 reply; 3+ messages in thread
From: Daniel Zurawski @ 2023-08-24 20:30 UTC (permalink / raw)
  To: 65513

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Colors arent rendered in compiation buffers, the ansi color code text is
displayed.
I have resolved the issue but adding these lines to my init.el

(require 'ansi-color)
(add-hook 'compilation-filter-hook 'ansi-color-compilation-filter)


In GNU Emacs 29.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.33,
 cairo version 1.16.0) of 2023-08-09 built on workstation2
System Description: Ubuntu 22.04.3 LTS

Configured using:
 'configure --with-native-compilation --without-compress-install
 --with-json 'CFLAGS=-O3 -march=znver3' 'CXXFLAGS=-O3 -march=znver3''

Configured features:
CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LIBSELINUX MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG SECCOMP SOUND
THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: ELisp/d

Minor modes in effect:
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  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/dan/.emacs.d/straight/build/s/s-autoloads hides
/home/dan/.emacs.d/elpa/s-20220902.1511/s-autoloads
/home/dan/.emacs.d/straight/build/s/s hides
/home/dan/.emacs.d/elpa/s-20220902.1511/s
/home/dan/.emacs.d/straight/build/dash/dash hides
/home/dan/.emacs.d/elpa/dash-20230714.723/dash
/home/dan/.emacs.d/straight/build/jsonrpc/jsonrpc hides
/usr/local/share/emacs/29.1/lisp/jsonrpc
/home/dan/.emacs.d/elpa/transient-20230723.1411/transient hides
/usr/local/share/emacs/29.1/lisp/transient

Features:
(shadow sort mail-extr emacsbug message yank-media puny dired
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python rx compat pcase treesit ido hideshow grep compile
text-property-search comint ansi-osc files-x etags fileloop generator
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pkg-info-autoloads epl-autoloads pyvenv-autoloads queue-autoloads
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Memory information:
((conses 16 448297 147916)
 (symbols 48 26308 97)
 (strings 32 127299 14185)
 (string-bytes 1 3562848)
 (vectors 16 46412)
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^ permalink raw reply	[flat|nested] 3+ messages in thread

* bug#65513: 29.1; Ansi colors do not work in compilation buffers
  2023-08-24 20:30 bug#65513: 29.1; Ansi colors do not work in compilation buffers Daniel Zurawski
@ 2023-08-25  6:29 ` Eli Zaretskii
  2023-08-25 16:09   ` Jim Porter
  0 siblings, 1 reply; 3+ messages in thread
From: Eli Zaretskii @ 2023-08-25  6:29 UTC (permalink / raw)
  To: Daniel Zurawski; +Cc: 65513

> From: Daniel Zurawski <djzurawski@gmail.com>
> Date: Thu, 24 Aug 2023 14:30:31 -0600
> 
> Colors arent rendered in compiation buffers, the ansi color code text is displayed.
> I have resolved the issue but adding these lines to my init.el
> 
> (require 'ansi-color)
> (add-hook 'compilation-filter-hook 'ansi-color-compilation-filter)

AFAIU, this is exactly what you need to do if you want the ANSI color
sequences to be supported in compilation buffers.  Emacs currently
supports that automatically only in Grep buffers (set
grep-highlight-matches to t to activate).





^ permalink raw reply	[flat|nested] 3+ messages in thread

* bug#65513: 29.1; Ansi colors do not work in compilation buffers
  2023-08-25  6:29 ` Eli Zaretskii
@ 2023-08-25 16:09   ` Jim Porter
  0 siblings, 0 replies; 3+ messages in thread
From: Jim Porter @ 2023-08-25 16:09 UTC (permalink / raw)
  To: Eli Zaretskii, Daniel Zurawski; +Cc: 65513

On 8/24/2023 11:29 PM, Eli Zaretskii wrote:
>> From: Daniel Zurawski <djzurawski@gmail.com>
>> Date: Thu, 24 Aug 2023 14:30:31 -0600
>>
>> Colors arent rendered in compiation buffers, the ansi color code text is displayed.
>> I have resolved the issue but adding these lines to my init.el
>>
>> (require 'ansi-color)
>> (add-hook 'compilation-filter-hook 'ansi-color-compilation-filter)
> 
> AFAIU, this is exactly what you need to do if you want the ANSI color
> sequences to be supported in compilation buffers.  Emacs currently
> supports that automatically only in Grep buffers (set
> grep-highlight-matches to t to activate).

Yeah, I think this isn't a bug: since compilation mode adds its own 
highlighting to buttonize errors and such, it could be confusing if you 
also saw the ANSI colors in the same block of text. The hook mentioned 
above is the way for users to opt into this potentially-confusing behavior.

For Grep buffers, I think that option is a bit different: to get the 
matched region from Grep output, you need to examine the ANSI sequences 
in the output. The Emacs Grep code then uses that to add our *own* 
fontification, and then we strip out the ANSI sequences (see 'grep-filter').





^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-08-25 16:09 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2023-08-24 20:30 bug#65513: 29.1; Ansi colors do not work in compilation buffers Daniel Zurawski
2023-08-25  6:29 ` Eli Zaretskii
2023-08-25 16:09   ` Jim Porter

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