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bug#16789: 24.3; load-theme ignores some faces the value of a attribute
From: |
kuanyui |
Subject: |
bug#16789: 24.3; load-theme ignores some faces the value of a attribute is nil |
Date: |
Tue, 18 Feb 2014 13:40:20 +0800 |
load-theme is invalid if a value of a attribute in defface is nil.
Or more accurately, it seems to ignore some faces under some situation.
Define a theme, for example, OUR-THEME.el
Magit inherit its diff faces from diff.el, like this:
(defface magit-diff-add
'((t :inherit diff-added))
"Face for lines in a diff that have been added."
:group 'magit-faces)
If you've defined a face for `diff-added` like this:
`(diff-added ((((class color) (min-colors 89))
(:foreground "#008700" :background "#d7ff5f" :bold t))))
But now you want to *remove* the :background of `magit-diff-add`,
so add a nil on :background :
`(magit-diff-add ((((class color) (min-colors 89))
(:foreground "#008700" :background nil :bold t))))
Then, restart Emacs (to ensure Emacs would be "clean"), `require 'magit`
and `load-theme OUR-THEME`; you will found load-theme IGNORES the whole
line defination of magit-diff-add, And magit-diff-add still only
inherits diff-added.
* Most strange is, if you `find-file` OUR-THEME.el and M-x eval-buffer,
the :background nil TAKE EFFECT. *
I ask this issue because this strange behavior is an obstacle on
defining theme.
I've tested on my system and write some test, and reproducible.
-----
kuanyui 20140218
In GNU Emacs 24.3.1 (x86_64-suse-linux-gnu, GTK+ Version 3.10.4)
of 2014-01-23 on cloud107
Windowing system distributor `The X.Org Foundation', version 11.0.11403901
System Description: openSUSE 13.1 (Bottle) (x86_64)
Configured using:
`configure '--with-pop' '--without-hesiod' '--with-kerberos'
'--with-kerberos5' '--with-xim' '--with-wide-int' '--enable-autodepend'
'--prefix=/usr' '--mandir=/usr/share/man' '--infodir=/usr/share/info'
'--datadir=/usr/share' '--localstatedir=/var'
'--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--with-x'
'--with-sound' '--with-xpm' '--with-jpeg' '--with-tiff' '--with-gif'
'--with-png' '--with-rsvg' '--with-dbus' '--without-gpm'
'--with-x-toolkit=gtk3' '--x-includes=/usr/include'
'--x-libraries=/usr/lib64' '--with-xft' '--with-libotf'
'--with-m17n-flt' '--build=x86_64-suse-linux'
'build_alias=x86_64-suse-linux' 'CFLAGS=-fmessage-length=0
-grecord-gcc-switches -fstack-protector -O2 -Wall -D_FORTIFY_SOURCE=2
-funwind-tables -fasynchronous-unwind-tables -g -D_GNU_SOURCE
-std=gnu89 -pipe -Wno-pointer-sign -Wno-unused-variable
-Wno-unused-label -Wno-unprototyped-calls -fno-optimize-sibling-calls
-DSYSTEM_PURESIZE_EXTRA=55000 -DSITELOAD_PURESIZE_EXTRA=10000 '
'LDFLAGS=-Wl,-O2 -Wl,--hash-size=65521''
- bug#16789: 24.3; load-theme ignores some faces the value of a attribute is nil,
kuanyui <=