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Re: master ed2b0bd: New faces in xref (bug#23179)

From: Robert Pluim
Subject: Re: master ed2b0bd: New faces in xref (bug#23179)
Date: Tue, 16 Apr 2019 16:02:36 +0200

>>>>> On Mon, 15 Apr 2019 17:34:13 +0300, Eli Zaretskii <address@hidden> said:

    >> From: Robert Pluim <address@hidden> Date: Mon, 15 Apr 2019
    >> 10:27:45 +0200 Cc: address@hidden
    Juri> I see no other related faces (compilation/grep) mentioned
    Juri> neither in NEWS nor in the manual.
    >> True. Thatʼs arguably a deficiency in the manual.

    Eli> I tend to agree.  Feel free to document at least the more
    Eli> important ones ('error', 'warning').

grep doesnʼt have any faces that can be customized (at least not for
the output of grep. How about the following for compilation-mode:

diff --git a/doc/emacs/building.texi b/doc/emacs/building.texi
index 78d07b8d39..fa4c7f0e20 100644
--- a/doc/emacs/building.texi
+++ b/doc/emacs/building.texi
@@ -151,6 +151,23 @@ Compilation Mode
 the error message in a separate window.  The locus is the specific
 position in a file where that error occurred.
address@hidden compilation mode faces
address@hidden compilation mode appearance
address@hidden compilation-error-face
address@hidden compilation-error
address@hidden compilation-warning-face
address@hidden compilation-warning
+  The appearance of the @file{*compilation*} buffer can be controlled
+by customizing the faces which are used to highlight parts of the
address@hidden buffer, e.g. @code{compilation-error} or
address@hidden, for error and warning messages
+respectively.  Note that since those faces inherit from the
address@hidden and @code{warning} faces, it is also possible to
+customize the parent face directly instead.
+  Use @address@hidden customize-group RET compilation}} to see the entire
+list of customization variables and faces.
 @findex compile-goto-error
 @vindex compilation-auto-jump-to-first-error
   If you change the variable

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