GNU bug report logs - #6777
23.2; The highlight face changes foreground

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Package: emacs;

Reported by: Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>

Date: Mon, 2 Aug 2010 09:38:01 UTC

Severity: minor

Tags: notabug

Found in version 23.2

Done: Lars Magne Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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Report forwarded to owner <at> debbugs.gnu.org, bug-gnu-emacs <at> gnu.org:
bug#6777; Package emacs. (Mon, 02 Aug 2010 09:38:02 GMT) Full text and rfc822 format available.
Acknowledgement sent to Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs <at> gnu.org. (Mon, 02 Aug 2010 09:38:02 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>
To: bug-gnu-emacs <at> gnu.org
Subject: 23.2; The highlight face changes foreground
Date: Mon, 02 Aug 2010 10:37:14 +0100

The definition of the highlight face only sets the background color.
But I see that it is changing the foreground as well.

Suppose you do (set-face-foreground 'bold "blue") and run the mouse over
the bold items in a *Apropos* window, you would notice that the
foreground changes to black.

If you do (set-face-underline 'bold t) and run the mouse, you would
notice the underlining disappear.

Is this a bug or a feature?

Cheers,
Uday





In GNU Emacs 23.2.1 (i386-mingw-nt5.1.2600)
 of 2010-05-08 on G41R2F1
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4) --no-opt --cflags -Ic:/xpm/include'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  value of $XMODIFIERS: nil
  locale-coding-system: cp1252
  default enable-multibyte-characters: t

Major mode: Emacs-Lisp

Minor modes in effect:
  auto-fill-function: do-auto-fill
  shell-dirtrack-mode: t
  which-function-mode: t
  savehist-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-encryption-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
g h l i g h t <return> y e C-s d e f f a c e SPC h 
i g h C-a <down-mouse-1> <mouse-1> <down-mouse-1> <mouse-1> 
<wheel-down> <wheel-down> <wheel-down> <wheel-down> 
<wheel-up> <wheel-up> <wheel-up> <down-mouse-1> <mouse-1> 
<down-mouse-1> <mouse-1> <down-mouse-1> <mouse-1> <down-mouse-1> 
<mouse-1> <down-mouse-1> <mouse-1> <down-mouse-1> <mouse-1> 
<down-mouse-1> <mouse-1> <down-mouse-1> <mouse-1> <wheel-down> 
<double-wheel-down> <triple-wheel-down> <wheel-down> 
<wheel-down> <wheel-down> <wheel-down> <double-wheel-down> 
<wheel-down> <wheel-down> <wheel-down> <wheel-down> 
<down-mouse-1> <mouse-1> <down-mouse-1> <mouse-1> <down-mouse-1> 
<mouse-1> <wheel-up> <double-wheel-up> <triple-wheel-up> 
<wheel-up> <down-mouse-1> <mouse-1> <down-mouse-1> 
<mouse-1> <wheel-down> <wheel-down> <wheel-down> <wheel-down> 
<wheel-down> <wheel-down> <wheel-down> <wheel-down> 
<wheel-down> <wheel-down> <wheel-down> <wheel-down> 
<double-wheel-down> <wheel-down> <wheel-down> <wheel-up> 
<double-wheel-up> <wheel-up> <double-wheel-up> <wheel-up> 
<double-wheel-up> <wheel-up> <down-mouse-1> <mouse-1> 
<wheel-up> <double-wheel-up> <wheel-up> <double-wheel-up> 
<triple-wheel-up> <wheel-up> <double-wheel-up> <triple-wheel-up> 
C-x C-f h e l SPC SPC SPC m o d SPC SPC <return> C-v 
C-s m o u s e C-s C-s C-s C-s C-s C-s C-s C-a C-x , 
C-s h i g h C-a C-v C-v M-x f i n d - g r e p - d i 
r e d <return> <return> ' h i g h l i g h t <return> 
n n e C-s C-s C-s C-s C-s C-a C-s ' C-g C-a C-s ' h 
i g h l i g h t C-s C-s C-s C-r C-r C-r C-r C-a C-x 
y M-x f i n d - g p <backspace> r e p - d i r e d <return> 
C-g <menu-bar> <regexp> <mark> . e l <backspace> <backspace> 
<backspace> \ . e l $ <return> <menu-bar> <operate> 
<isearch-regexp> ' h i g h l i g h t C-s \ w <backspace> 
b <backspace> <backspace> [ ^ - ] C-s C-s C-s C-a C-x 
m C-x k <return> M-x v m - <backspace> <backspace> 
<backspace> r e p o r t - e m SPC SPC b SPC <retur
n>

Recent messages:
Mark saved where search started [2 times]
Quit
Mark saved where search started
find-dired *Find* finished.
Quit
Marking matching files...
88 matching files marked.
Mark saved where search started
`mail to _ on ""' is gone forever!
Making completion list...

Load-path shadows:
d:/Home/udr/share/emacs/dired hides d:/gnu/emacs-23.2/lisp/dired
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d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-xoxo hides d:/gnu/emacs-23.2/lisp/org/org-xoxo
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-wl hides d:/gnu/emacs-23.2/lisp/org/org-wl
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d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-mac-message hides d:/gnu/emacs-23.2/lisp/org/org-mac-message
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-list hides d:/gnu/emacs-23.2/lisp/org/org-list
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-latex hides d:/gnu/emacs-23.2/lisp/org/org-latex
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-jsinfo hides d:/gnu/emacs-23.2/lisp/org/org-jsinfo
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-irc hides d:/gnu/emacs-23.2/lisp/org/org-irc
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-install hides d:/gnu/emacs-23.2/lisp/org/org-install
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-inlinetask hides d:/gnu/emacs-23.2/lisp/org/org-inlinetask
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-info hides d:/gnu/emacs-23.2/lisp/org/org-info
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-indent hides d:/gnu/emacs-23.2/lisp/org/org-indent
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-id hides d:/gnu/emacs-23.2/lisp/org/org-id
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-icalendar hides d:/gnu/emacs-23.2/lisp/org/org-icalendar
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-html hides d:/gnu/emacs-23.2/lisp/org/org-html
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-habit hides d:/gnu/emacs-23.2/lisp/org/org-habit
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-gnus hides d:/gnu/emacs-23.2/lisp/org/org-gnus
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-freemind hides d:/gnu/emacs-23.2/lisp/org/org-freemind
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-footnote hides d:/gnu/emacs-23.2/lisp/org/org-footnote
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-feed hides d:/gnu/emacs-23.2/lisp/org/org-feed
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-faces hides d:/gnu/emacs-23.2/lisp/org/org-faces
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-exp hides d:/gnu/emacs-23.2/lisp/org/org-exp
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-exp-blocks hides d:/gnu/emacs-23.2/lisp/org/org-exp-blocks
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-docbook hides d:/gnu/emacs-23.2/lisp/org/org-docbook
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-datetree hides d:/gnu/emacs-23.2/lisp/org/org-datetree
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-crypt hides d:/gnu/emacs-23.2/lisp/org/org-crypt
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-compat hides d:/gnu/emacs-23.2/lisp/org/org-compat
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-colview hides d:/gnu/emacs-23.2/lisp/org/org-colview
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-clock hides d:/gnu/emacs-23.2/lisp/org/org-clock
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-bibtex hides d:/gnu/emacs-23.2/lisp/org/org-bibtex
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-bbdb hides d:/gnu/emacs-23.2/lisp/org/org-bbdb
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-attach hides d:/gnu/emacs-23.2/lisp/org/org-attach
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-ascii hides d:/gnu/emacs-23.2/lisp/org/org-ascii
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-archive hides d:/gnu/emacs-23.2/lisp/org/org-archive
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-agenda hides d:/gnu/emacs-23.2/lisp/org/org-agenda
d:/Home/udr/share/emacs/rnews hides d:/gnu/emacs-23.2/lisp/obsolete/rnews

Features:
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ediff-help ediff-util ediff-mult ediff-init ediff noutline outline
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ispell newcomment mailalias bbdb-gui vc-annotate vc vc-dispatcher
find-func vm-reply debug sort gnus-cite smiley flow-fill gnus-async
gnus-bcklg byte-opt bytecomp byte-compile gnus-salt gnus-ml nndoc utf-7
utf7 parse-time nnimap imap nnfolder nndraft nnmh gnus-agent gnus-srvr
gnus-score score-mode nnvirtual gnus-msg gnus-art mm-uu mml2015 mm-view
smime dig nntp gnus-cache gnus-sum nnoo gnus-group gnus-undo nnmail
mail-source gnus-start gnus-spec gnus-int gnus-range message ecomplete
mml mml-sec mm-decode mm-bodies mm-encode mailcap gmm-utils mailheader
canlock hashcash gnus-win gnus gnus-ems nnheader mail-utils crm
thingatpt cus-edit cus-start cus-load pp info ansi-color multi-isearch
vm-delete longlines help-mode view bbdb-hooks mail-parse rfc2231 rfc2047
rfc2045 qp ietf-drums mm-util mail-prsvr w3m-form vm-w3m w3m browse-url
doc-view dired-x dired-aux mydired dired desktop image-mode w3m-hist
w3m-fb w3m-ems wid-edit w3m-ccl ccl w3m-favicon w3m-image w3m-proc
w3m-util vm-pop tapestry vm-sort vm-thread vm-crypto vm-imap
vm-summary-faces vm-virtual etags vm-ps-print ps-print ps-def lpr
vm-save my-vm vm-rfaddons vm-menu vm-window vm-toolbar vm-folder vm-mime
vm-undo vm-mouse vm-page vm-minibuf vm-message vm-misc vm-macro bbdb-vm
vm-motion vm-autoload bbdb-snarf mail-extr rfc822 bbdb-com mailabbrev vm
vm-summary cl-specs vc-bzr sha1 hex-util tramp-imap assoc tramp-gw
tramp-fish tramp-cache tramp-ftp tramp-cmds tramp shell password-cache
format-spec tramp-compat trampver testcover edebug easymenu messcompat
w3m-load bbdb-autoloads bbdb timezone vm-autoloads vm-vars vm-version
org-install ange-ftp tex-site tex-mik telnet comint ring movement
natural-space NatSpeak sendmail auth-source gnus-util netrc time-date
epa-file epa epg epg-config regexp-opt echistory chistory ehelp electric
derived which-func imenu advice help-fns advice-preload edmacro kmacro
savehist-20+ cl cl-19 jka-compr tooltip ediff-hook vc-hooks
lisp-float-type mwheel dos-w32 disp-table ls-lisp w32-win w32-vars
tool-bar dnd fontset image fringe lisp-mode register page menu-bar
rfn-eshadow timer select scroll-bar mldrag mouse jit-lock font-lock
syntax facemenu font-core frame cham georgian utf-8-lang misc-lang
vietnamese tibetan thai tai-viet lao korean japanese hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
case-table epa-hook jka-cmpr-hook help simple abbrev loaddefs button
minibuffer faces cus-face files text-properties overlay md5 base64
format env code-pages mule custom widget hashtable-print-readable
backquote make-network-process multi-tty emacs)

--
Information forwarded to owner <at> debbugs.gnu.org, bug-gnu-emacs <at> gnu.org:
bug#6777; Package emacs. (Mon, 02 Aug 2010 13:43:01 GMT) Full text and rfc822 format available.

Message #8 received at 6777 <at> debbugs.gnu.org (full text, mbox):

From: "Drew Adams" <drew.adams <at> oracle.com>
To: "'Uday S Reddy'" <u.s.reddy <at> cs.bham.ac.uk>, <6777 <at> debbugs.gnu.org>
Subject: RE: bug#6777: 23.2; The highlight face changes foreground
Date: Mon, 2 Aug 2010 06:41:54 -0700

> The definition of the highlight face only sets the background color.
> But I see that it is changing the foreground as well.
> 
> Suppose you do (set-face-foreground 'bold "blue") and run the 
> mouse over
> the bold items in a *Apropos* window, you would notice that the
> foreground changes to black.
> 
> If you do (set-face-underline 'bold t) and run the mouse, you would
> notice the underlining disappear.
> 
> Is this a bug or a feature?

I'm no expert on this, but this is the way Emacs has always behaved.

This is not about the `highlight' face or any other face.  It is about
`mouse-face' vs `face'.

The `mouse-face' text property is a separate property from the `face' property.
Each has a face as its value.  You see one or the other face at any given time,
not a combination of the two.  If `mouse-face' has the value `highlight'
(highlight face), then that is the face you see when you mouseover the text.  

HTH.
Added tag(s) notabug. Request was from Lars Magne Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Thu, 14 Jul 2011 13:35:04 GMT) Full text and rfc822 format available.
bug closed, send any further explanations to 6777 <at> debbugs.gnu.org and Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk> Request was from Lars Magne Ingebrigtsen <larsi <at> gnus.org> to control <at> debbugs.gnu.org. (Thu, 14 Jul 2011 13:35:05 GMT) Full text and rfc822 format available.
Information forwarded to owner <at> debbugs.gnu.org, bug-gnu-emacs <at> gnu.org:
bug#6777; Package emacs. (Thu, 14 Jul 2011 14:03:06 GMT) Full text and rfc822 format available.

Message #15 received at 6777 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: "Drew Adams" <drew.adams <at> oracle.com>
Cc: 'Uday S Reddy' <u.s.reddy <at> cs.bham.ac.uk>, 6777 <at> debbugs.gnu.org
Subject: Re: bug#6777: 23.2; The highlight face changes foreground
Date: Thu, 14 Jul 2011 15:34:45 +0200

"Drew Adams" <drew.adams <at> oracle.com> writes:

> This is not about the `highlight' face or any other face.  It is about
> `mouse-face' vs `face'.
>
> The `mouse-face' text property is a separate property from the `face'
> property.  Each has a face as its value.  You see one or the other
> face at any given time, not a combination of the two.  If `mouse-face'
> has the value `highlight' (highlight face), then that is the face you
> see when you mouseover the text.

Yup.  So I'm closing this bug report.

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Fri, 12 Aug 2011 11:24:06 GMT) Full text and rfc822 format available.
This bug report was last modified 13 years and 317 days ago.

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