* bug#5000: 23.1.50; empty string not allowed as line-prefix
@ 2009-11-21 11:01 ` Carsten Dominik
2009-11-23 3:49 ` Stefan Monnier
2009-12-05 22:55 ` bug#5000: marked as done (23.1.50; empty string not allowed as line-prefix) Emacs bug Tracking System
0 siblings, 2 replies; 4+ messages in thread
From: Carsten Dominik @ 2009-11-21 11:01 UTC (permalink / raw)
To: emacs-pretest-bug
It seems that an empty string as a line prefix makes the redisplay
engine choke.
Test case:
- open a new buffer in fundamental mode, no auto-fill-mode
- insert a long line that will be wrapped for display into two or more
lines.
- insert the following form into the buffer, after the long line
(add-text-properties (point-min) (point) '(line-prefix ""))
- evaluate this form
Expected result: No change in display
Actual result: The formerly wrapped line is no longer wrapped but
displayed as if truncate-lines had been set (it is not set)
I suspect that the empty string causes the problem. A nil line-prefix
property, or a non-empty string both work fine.
It is possible (likely?) that the same error also occurs with
wrap-prefix, but I have not tested this.
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
/Users/dominik/lib/git/emacs-new/etc/DEBUG.
In GNU Emacs 23.1.50.2 (i386-apple-darwin9.8.0, X toolkit, Xaw3d
scroll bars)
of 2009-11-20 on carsten-dominiks-macbook-pro.local
Windowing system distributor `The X.Org Foundation', version
11.0.10402000
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: nil
value of $XMODIFIERS: nil
locale-coding-system: nil
default enable-multibyte-characters: t
Major mode: Fundamental
Minor modes in effect:
show-paren-mode: t
iswitchb-mode: t
diff-auto-refine-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
global-auto-composition-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
? ? ? <tab> <down> <tab> <tab> <down> <tab> <tab> <tab>
C-x C-f $ o r g e l / t t t <backspace> <backspace>
e <tab> t t t . o r g <return> <return> <return> <return>
M-x f u n d a m <tab> <return> SPC <backspace> k j
f SPC a l k f j SPC l a k j f SPC a l k j f SPC a l
k j f SPC a l k j f h SPC a l k f j SPC a l k j f h
SPC a l k j f SPC a l k f j h SPC a l k f j h SPC a
l k j f h SPC a l k j f h SPC l a k j f SPC l a k j
f h SPC l a k j s f h SPC l a k j s f h SPC l k a j
s h f SPC l k j SPC <up> <up> <up> C-d C-d C-d <down>
<down> <return> ( a d d - t e x M-/ <escape> <tab>
t - p r o p e r t i e s SPC ( p o i n t - m i n ) SPC
( p o i n t ) SPC ' ( l i n e - p r e f i x SPC " "
) ) C-x C-e <up> <up> <down> <down> <up> <left> <down>
C-a C-SPC C-e <escape> w M-x s u b m i t - b u <tab>
<backspace> <tab> <backspace> <tab> <tab> <escape>
<tab> C-a C-k <tab> C-x o C-x o C-s - b u g C-s C-s
C-s C-s C-s C-s C-s C-s C-s C-s <help-echo> <down-mouse-1>
<mouse-2>
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custom widget hashtable-print-readable backquote make-network-process
font-render-setting x-toolkit x multi-tty emacs)
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#5000: 23.1.50; empty string not allowed as line-prefix
2009-11-21 11:01 ` bug#5000: 23.1.50; empty string not allowed as line-prefix Carsten Dominik
@ 2009-11-23 3:49 ` Stefan Monnier
2009-11-23 5:13 ` Carsten Dominik
2009-12-05 22:55 ` bug#5000: marked as done (23.1.50; empty string not allowed as line-prefix) Emacs bug Tracking System
1 sibling, 1 reply; 4+ messages in thread
From: Stefan Monnier @ 2009-11-23 3:49 UTC (permalink / raw)
To: Carsten Dominik; +Cc: 5000
> - open a new buffer in fundamental mode, no auto-fill-mode
> - insert a long line that will be wrapped for display into two or more
> lines.
> - insert the following form into the buffer, after the long line
> (add-text-properties (point-min) (point) '(line-prefix ""))
> - evaluate this form
> Expected result: No change in display
> Actual result: The formerly wrapped line is no longer wrapped but
> displayed as if truncate-lines had been set (it is not set)
Isn't this the feature you were asking for? ;-)
Stefan
PS: You've won a special prize for submitting bug number 5000.
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#5000: 23.1.50; empty string not allowed as line-prefix
2009-11-23 3:49 ` Stefan Monnier
@ 2009-11-23 5:13 ` Carsten Dominik
0 siblings, 0 replies; 4+ messages in thread
From: Carsten Dominik @ 2009-11-23 5:13 UTC (permalink / raw)
To: Stefan Monnier; +Cc: 5000
On Nov 23, 2009, at 4:49 AM, Stefan Monnier wrote:
>> - open a new buffer in fundamental mode, no auto-fill-mode
>> - insert a long line that will be wrapped for display into two or
>> more
>> lines.
>> - insert the following form into the buffer, after the long line
>
>> (add-text-properties (point-min) (point) '(line-prefix ""))
>
>> - evaluate this form
>
>> Expected result: No change in display
>> Actual result: The formerly wrapped line is no longer wrapped but
>> displayed as if truncate-lines had been set (it is not set)
>
> Isn't this the feature you were asking for? ;-)
>
>
> Stefan
>
>
> PS: You've won a special prize for submitting bug number 5000.
Hi Stefan,
yes, this is my requested feature all right. Works butifully! Except
with
an empty string.
So, what is my prize? :-)
- Carsten
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#5000: marked as done (23.1.50; empty string not allowed as line-prefix)
2009-11-21 11:01 ` bug#5000: 23.1.50; empty string not allowed as line-prefix Carsten Dominik
2009-11-23 3:49 ` Stefan Monnier
@ 2009-12-05 22:55 ` Emacs bug Tracking System
1 sibling, 0 replies; 4+ messages in thread
From: Emacs bug Tracking System @ 2009-12-05 22:55 UTC (permalink / raw)
To: Chong Yidong
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Your message dated Sat, 05 Dec 2009 17:49:39 -0500
with message-id <87638lc9z0.fsf@stupidchicken.com>
and subject line Re: 23.1.50; empty string not allowed as line-prefix
has caused the Emacs bug report #5000,
regarding 23.1.50; empty string not allowed as line-prefix
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.
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--
5000: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=5000
Emacs Bug Tracking System
Contact owner@emacsbugs.donarmstrong.com with problems
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From: Carsten Dominik <carsten.dominik@gmail.com>
To: emacs-pretest-bug@gnu.org
Subject: 23.1.50; empty string not allowed as line-prefix
Date: Sat, 21 Nov 2009 12:01:02 +0100
Message-ID: <BB0EDA6E-5938-4EFA-98D7-722378BEB14D@gmail.com>
It seems that an empty string as a line prefix makes the redisplay
engine choke.
Test case:
- open a new buffer in fundamental mode, no auto-fill-mode
- insert a long line that will be wrapped for display into two or more
lines.
- insert the following form into the buffer, after the long line
(add-text-properties (point-min) (point) '(line-prefix ""))
- evaluate this form
Expected result: No change in display
Actual result: The formerly wrapped line is no longer wrapped but
displayed as if truncate-lines had been set (it is not set)
I suspect that the empty string causes the problem. A nil line-prefix
property, or a non-empty string both work fine.
It is possible (likely?) that the same error also occurs with
wrap-prefix, but I have not tested this.
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
/Users/dominik/lib/git/emacs-new/etc/DEBUG.
In GNU Emacs 23.1.50.2 (i386-apple-darwin9.8.0, X toolkit, Xaw3d
scroll bars)
of 2009-11-20 on carsten-dominiks-macbook-pro.local
Windowing system distributor `The X.Org Foundation', version
11.0.10402000
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value of $LANG: nil
value of $XMODIFIERS: nil
locale-coding-system: nil
default enable-multibyte-characters: t
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global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
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[-- Attachment #3: Type: message/rfc822, Size: 1952 bytes --]
From: Chong Yidong <cyd@stupidchicken.com>
To: Carsten Dominik <carsten.dominik@gmail.com>
Cc: 5000-done@emacsbugs.donarmstrong.com
Subject: Re: 23.1.50; empty string not allowed as line-prefix
Date: Sat, 05 Dec 2009 17:49:39 -0500
Message-ID: <87638lc9z0.fsf@stupidchicken.com>
> - open a new buffer in fundamental mode, no auto-fill-mode
> - insert a long line that will be wrapped for display into two or more
> lines.
> - insert the following form into the buffer, after the long line
>
> (add-text-properties (point-min) (point) '(line-prefix ""))
>
> - evaluate this form
>
> Expected result: No change in display
> Actual result: The formerly wrapped line is no longer wrapped but
> displayed as if truncate-lines had been set (it is not set)
I've checked in a fix. Thanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2009-12-05 22:55 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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[not found] <87638lc9z0.fsf@stupidchicken.com>
2009-11-21 11:01 ` bug#5000: 23.1.50; empty string not allowed as line-prefix Carsten Dominik
2009-11-23 3:49 ` Stefan Monnier
2009-11-23 5:13 ` Carsten Dominik
2009-12-05 22:55 ` bug#5000: marked as done (23.1.50; empty string not allowed as line-prefix) Emacs bug Tracking System
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