* bug#8925: 23.2; all syntax highlighting disappears from ERC mode when I M-x toggle-show-tabs-show-ws
@ 2011-06-24 4:56 Zooko O'Whielacronx
2011-06-25 1:23 ` Glenn Morris
0 siblings, 1 reply; 4+ messages in thread
From: Zooko O'Whielacronx @ 2011-06-24 4:56 UTC (permalink / raw)
To: 8925
Dear emacsers:
Thank you so much for this wonderful tool!
ERC normally shows all sorts of useful information by changing the
fonts, for example, nicks are in different colors. However recently I
ran M-x toggle-show-tabs-show-ws, and now when I start an ERC buffer
(for example by joining a new IRC channel), it shows the normal
syntax-highlighted view, but then whenever I hit a key (or maybe
whenever someone else posts a message to the channel? I'm not sure) all
the syntax highlighting disappears, and it becomes a very boring black
and white rendering of the channel.
Regards,
Zooko
If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
`bt full' and `xbacktrace'.
For information about debugging Emacs, please read the file
/usr/share/emacs/23.2/etc/DEBUG.
In GNU Emacs 23.2.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.4)
of 2011-04-04 on crested, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.11001000
configured using `configure '--build' 'x86_64-linux-gnu' '--build'
'x86_64-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib'
'--libexecdir=/usr/lib' '--localstatedir=/var/lib'
'--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes'
'--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.2/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.2/leim'
'--with-x=yes' '--with-x-toolkit=gtk' '--with-toolkit-scroll-bars'
'build_alias=x86_64-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g'
'CPPFLAGS=''
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: en_US.UTF-8
value of $XMODIFIERS: nil
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: ERC
Minor modes in effect:
shell-dirtrack-mode: t
erc-list-mode: t
erc-menu-mode: t
erc-autojoin-mode: t
erc-ring-mode: t
erc-networks-mode: t
erc-pcomplete-mode: t
erc-track-mode: t
erc-track-minor-mode: t
erc-match-mode: t
erc-button-mode: t
erc-fill-mode: t
erc-stamp-mode: t
erc-netsplit-mode: t
erc-irccontrols-mode: t
erc-noncommands-mode: t
erc-move-to-prompt-mode: t
erc-readonly-mode: t
tooltip-mode: t
mouse-wheel-mode: t
tool-bar-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
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
SPC y e t ? <backspace> <backspace> <backspace> <backspace>
<backspace> ? <return> C-q <return> C-x 0 C-x k <return>
C-x b # e <tab> <return> C-r o o k o C-a C-x 3 <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up>
<up> <up> <up> <up> <up> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> <down> <down>
<down> <down> <down> <down> <down> <down> q u o t <tab>
s o SPC t h e SPC n e x t SPC s t e p SPC i n SPC t
h e SPC p l a n SPC i SPC t h <backspace> <backspace>
<backspace> s SPC t h a t SPC I S-SPC f i l e SPC a
SPC b u g SPC r p o <backspace> <backspace> e p o r
t ? <return> M-x r e p o r t <tab> <return>
Recent messages:
Quit
(No files need saving)
Compilation exited abnormally with code 1
Buffer is read-only: #<buffer *compilation*>
call-interactively: Beginning of buffer
Quit
(No files need saving)
Compilation exited abnormally with code 1
Mark saved where search started
call-interactively: Command attempted to use minibuffer while in
minibuffer [2 times]
Load-path shadows:
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/usr/share/emacs23/site-lisp/emacs-goodies-el/show-wspace
/usr/share/emacs/site-lisp/emacs-goodies-el/egocentric hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/egocentric
/usr/share/emacs/site-lisp/emacs-goodies-el/cwebm hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/cwebm
/usr/share/emacs/site-lisp/emacs-goodies-el/keywiz hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/keywiz
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/usr/share/emacs23/site-lisp/emacs-goodies-el/todoo
/usr/share/emacs/site-lisp/emacs-goodies-el/diminish hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/diminish
/usr/share/emacs/site-lisp/emacs-goodies-el/csv-mode hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/csv-mode
/usr/share/emacs/site-lisp/emacs-goodies-el/joc-toggle-case hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/joc-toggle-case
/usr/share/emacs/site-lisp/emacs-goodies-el/protbuf hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/protbuf
/usr/share/emacs/site-lisp/emacs-goodies-el/graphviz-dot-mode hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/graphviz-dot-mode
/usr/share/emacs/site-lisp/emacs-goodies-el/filladapt hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/filladapt
/usr/share/emacs/site-lisp/emacs-goodies-el/coffee hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/coffee
/usr/share/emacs/site-lisp/emacs-goodies-el/markdown-mode hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/markdown-mode
/usr/share/emacs/site-lisp/emacs-goodies-el/under hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/under
/usr/share/emacs/site-lisp/emacs-goodies-el/tabbar hides
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/usr/share/emacs23/site-lisp/emacs-goodies-el/sys-apropos
/usr/share/emacs/site-lisp/emacs-goodies-el/highlight-beyond-fill-column
hides /usr/share/emacs23/site-lisp/emacs-goodies-el/highlight-beyond-fill-column
/usr/share/emacs/site-lisp/emacs-goodies-el/perldoc hides
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/usr/share/emacs23/site-lisp/emacs-goodies-el/services
/usr/share/emacs/site-lisp/emacs-goodies-el/tlc hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/tlc
/usr/share/emacs/site-lisp/emacs-goodies-el/emacs-goodies-el hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/emacs-goodies-el
/usr/share/emacs/site-lisp/emacs-goodies-el/twiddle hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/twiddle
/usr/share/emacs/site-lisp/emacs-goodies-el/minibuffer-complete-cycle
hides /usr/share/emacs23/site-lisp/emacs-goodies-el/minibuffer-complete-cycle
/usr/share/emacs/site-lisp/emacs-goodies-el/maplev hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/maplev
/usr/share/emacs/site-lisp/emacs-goodies-el/toggle-option hides
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/usr/share/emacs23/site-lisp/emacs-goodies-el/browse-huge-tar
/usr/share/emacs/site-lisp/emacs-goodies-el/thinks hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/thinks
/usr/share/emacs/site-lisp/emacs-goodies-el/clipper hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/clipper
/usr/share/emacs/site-lisp/emacs-goodies-el/auto-fill-inhibit hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/auto-fill-inhibit
/usr/share/emacs/site-lisp/emacs-goodies-el/shell-command hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/shell-command
/usr/share/emacs/site-lisp/emacs-goodies-el/dir-locals hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/dir-locals
/usr/share/emacs/site-lisp/emacs-goodies-el/dedicated hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/dedicated
/usr/share/emacs/site-lisp/emacs-goodies-el/tc hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/tc
/usr/share/emacs/site-lisp/emacs-goodies-el/matlab hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/matlab
/usr/share/emacs/site-lisp/emacs-goodies-el/floatbg hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/floatbg
/usr/share/emacs/site-lisp/emacs-goodies-el/lcomp hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/lcomp
/usr/share/emacs/site-lisp/emacs-goodies-el/initsplit hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/initsplit
/usr/share/emacs/site-lisp/emacs-goodies-el/emacs-goodies-custom hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/emacs-goodies-custom
/usr/share/emacs/site-lisp/emacs-goodies-el/folding hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/folding
/usr/share/emacs/site-lisp/emacs-goodies-el/ascii hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/ascii
/usr/share/emacs/site-lisp/emacs-goodies-el/tld hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/tld
/usr/share/emacs/site-lisp/emacs-goodies-el/color-theme_seldefcustom
hides /usr/share/emacs23/site-lisp/emacs-goodies-el/color-theme_seldefcustom
/usr/share/emacs/site-lisp/emacs-goodies-el/pod-mode hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/pod-mode
/usr/share/emacs/site-lisp/emacs-goodies-el/dict hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/dict
/usr/share/emacs/site-lisp/emacs-goodies-el/setnu hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/setnu
/usr/share/emacs/site-lisp/emacs-goodies-el/marker-visit hides
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/usr/share/emacs/site-lisp/emacs-goodies-el/framepop hides
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/usr/share/emacs/site-lisp/emacs-goodies-el/home-end hides
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/usr/share/emacs/site-lisp/emacs-goodies-el/rfcview hides
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/usr/share/emacs/site-lisp/emacs-goodies-el/session hides
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/usr/share/emacs/site-lisp/emacs-goodies-el/projects hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/projects
/usr/share/emacs/site-lisp/emacs-goodies-el/map-lines hides
/usr/share/emacs23/site-lisp/emacs-goodies-el/map-lines
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/usr/share/emacs/site-lisp/rst hides /usr/share/emacs/23.2/lisp/textmodes/rst
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/usr/share/emacs/23.2/lisp/textmodes/ispell
Features:
(shadow sort mail-extr message sendmail ecomplete rfc822 mml mml-sec
password-cache mm-decode mm-bodies mm-encode mailcap mail-parse rfc2231
rfc2047 rfc2045 qp ietf-drums mailabbrev nnheader gnus-util netrc
mm-util mail-prsvr gmm-utils mailheader canlock sha1 hex-util hashcash
mail-utils emacsbug multi-isearch shell whitespace python-21 python
kmacro tabify show-wspace vc-git rst compile derived browse-url
mule-util cal-move regexp-opt cal-menu calendar cal-loaddefs erc-menu
erc-join erc-ring comint erc-networks erc-pcomplete time-date pcomplete
erc-track erc-match erc-button wid-edit erc-fill erc-stamp erc-netsplit
erc-goodies erc erc-backend erc-compat format-spec thingatpt pp
solarized-light-theme solarized-definitions cl cl-19 viper help-mode
easymenu view viper-ex viper-macs viper-mous viper-cmd viper-keym ring
viper-util viper-init advice help-fns advice-preload emacs-goodies-el
emacs-goodies-custom emacs-goodies-loaddefs easy-mmode tooltip
ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd font-setting
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 dbusbind system-font-setting
font-render-setting gtk x-toolkit x multi-tty emacs)
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#8925: 23.2; all syntax highlighting disappears from ERC mode when I M-x toggle-show-tabs-show-ws
2011-06-24 4:56 bug#8925: 23.2; all syntax highlighting disappears from ERC mode when I M-x toggle-show-tabs-show-ws Zooko O'Whielacronx
@ 2011-06-25 1:23 ` Glenn Morris
2011-06-25 17:34 ` Daniel Colascione
2011-06-26 12:59 ` Stefan Monnier
0 siblings, 2 replies; 4+ messages in thread
From: Glenn Morris @ 2011-06-25 1:23 UTC (permalink / raw)
To: Zooko O'Whielacronx; +Cc: 8925
"Zooko O'Whielacronx" wrote:
> ERC normally shows all sorts of useful information by changing the
> fonts, for example, nicks are in different colors. However recently I
> ran M-x toggle-show-tabs-show-ws, and now when I start an ERC buffer
> (for example by joining a new IRC channel), it shows the normal
> syntax-highlighted view, but then whenever I hit a key (or maybe
> whenever someone else posts a message to the channel? I'm not sure) all
> the syntax highlighting disappears, and it becomes a very boring black
> and white rendering of the channel.
Probably you should report this to the authors of whatever package
provides the function `toggle-show-tabs-show-ws' (it's not part of Emacs).
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#8925: 23.2; all syntax highlighting disappears from ERC mode when I M-x toggle-show-tabs-show-ws
2011-06-25 1:23 ` Glenn Morris
@ 2011-06-25 17:34 ` Daniel Colascione
2011-06-26 12:59 ` Stefan Monnier
1 sibling, 0 replies; 4+ messages in thread
From: Daniel Colascione @ 2011-06-25 17:34 UTC (permalink / raw)
To: 8925; +Cc: zooko
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 6/24/11 6:23 PM, Glenn Morris wrote:
> "Zooko O'Whielacronx" wrote:
>
>> ERC normally shows all sorts of useful information by changing the
>> fonts, for example, nicks are in different colors. However recently I
>> ran M-x toggle-show-tabs-show-ws, and now when I start an ERC buffer
>> (for example by joining a new IRC channel), it shows the normal
>> syntax-highlighted view, but then whenever I hit a key (or maybe
>> whenever someone else posts a message to the channel? I'm not sure) all
>> the syntax highlighting disappears, and it becomes a very boring black
>> and white rendering of the channel.
>
> Probably you should report this to the authors of whatever package
> provides the function `toggle-show-tabs-show-ws' (it's not part of Emacs).
The problem is more general. ERC inserts strings with face properties
into its buffer. When _anything_ that uses font-lock also runs in this
buffer, font-lock will clear all face attributes and undo ERC's
highlighting. This highlighting can't be easily reconstructed because it
depends on information no longer present in the buffer, such as the
membership list of a channel at the time a particular message was received.
There are two approaches to solving the issue:
1) Have ERC use overlays instead of text properties for its highlighting, or
2) Transform ERC face properties to another property (e.g., erc-face),
and create a custom font-lock matcher that applies the highlights stored
in these erc-face properties to face, allowing the highlighting scheme
to be reconstructed on demand.
The first is arguably cleaner, but without setting face, text yanked to
another buffer from an ERC buffer will be unhighlighted.
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iEUEARECAAYFAk4GHDsACgkQ17c2LVA10VuN3QCVEPDiJxaS9d5q2nBtIzzLL31I
zACg126suj9jFjrv9hgOXvf1SfqCiBs=
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^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#8925: 23.2; all syntax highlighting disappears from ERC mode when I M-x toggle-show-tabs-show-ws
2011-06-25 1:23 ` Glenn Morris
2011-06-25 17:34 ` Daniel Colascione
@ 2011-06-26 12:59 ` Stefan Monnier
1 sibling, 0 replies; 4+ messages in thread
From: Stefan Monnier @ 2011-06-26 12:59 UTC (permalink / raw)
To: Glenn Morris; +Cc: 8925, Zooko O'Whielacronx
>> ERC normally shows all sorts of useful information by changing the
>> fonts, for example, nicks are in different colors. However recently I
>> ran M-x toggle-show-tabs-show-ws, and now when I start an ERC buffer
>> (for example by joining a new IRC channel), it shows the normal
>> syntax-highlighted view, but then whenever I hit a key (or maybe
>> whenever someone else posts a message to the channel? I'm not sure) all
>> the syntax highlighting disappears, and it becomes a very boring black
>> and white rendering of the channel.
> Probably you should report this to the authors of whatever package
> provides the function `toggle-show-tabs-show-ws' (it's not part of Emacs).
Probably it uses font-lock. So the fix would be to make ERC use the
`font-lock-face' property instead of the `face' property (and then let
font-lock be enabled in ERC buffers according to
global-font-lock-mode).
Stefan
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2011-06-26 12:59 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-06-24 4:56 bug#8925: 23.2; all syntax highlighting disappears from ERC mode when I M-x toggle-show-tabs-show-ws Zooko O'Whielacronx
2011-06-25 1:23 ` Glenn Morris
2011-06-25 17:34 ` Daniel Colascione
2011-06-26 12:59 ` Stefan Monnier
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