* bug#14745: 24.1; 24.1; Emacs doesn't correctly read the code points U+D800–U+DFFF when opening a file
@ 2013-06-29 1:34 Patrick Xarles Hayes
2013-06-29 7:55 ` Eli Zaretskii
0 siblings, 1 reply; 3+ messages in thread
From: Patrick Xarles Hayes @ 2013-06-29 1:34 UTC (permalink / raw)
To: 14745
[-- Attachment #1: Type: text/plain, Size: 18567 bytes --]
From: Patrick Xarles Hayes <pxhayes@gmail.com>
To: bug-gnu-emacs@gnu.org
Subject: 24.1; 24.1; Emacs doesn't correctly read the code points
U+D800–U+DFFF when opening a file
--text follows this line--
This bug report will be sent to the Bug-GNU-Emacs mailing list
and the GNU bug tracker at debbugs.gnu.org. Please check that
the From: line contains a valid email address. After a delay of up
to one day, you should receive an acknowledgement at that address.
Please write in English if possible, as the Emacs maintainers
usually do not have translators for other languages.
Please describe exactly what actions triggered the bug, and
the precise symptoms of the bug. If you can, give a recipe
starting from `emacs -Q':
$ emacs -Q
C-x C-f
Find file: some-file-with-code-points-in-the-range-U+D800–U+DFFF
Emacs 24.1.1 loads the file interpreting any code point in the range of
U+D800–U+DFFF as a sequence of three bytes (e.g., “\355\240\200” instead
of a glyph for U+D800). These are the code points in: Non Private Use
High Surrogate, First; Non Private Use High Surrogate, Last; Private Use
High Surrogate, First; Private Use High Surrogate, Last; Low Surrogate,
First; and Low Surrogate, Last.
If one tries to save the file above, Emacs throws a warning such as the
following:
<blockquote>
These default coding systems were tried to encode text
in the buffer `π-UnicodeData-6.2.0.txt':
(utf-8-unix (935870 . 4194285) (935871 . 4194208) (935872 . 4194176)
(935945 . 4194285) (935946 . 4194221) (935947 . 4194239) (936019
. 4194285) (936020 . 4194222) (936021 . 4194176) (936090 . 4194285)
(936091 . 4194223))
However, each of them encountered characters it couldn't encode:
utf-8-unix cannot encode these: ...
Click on a character (or switch to this window by `C-x o'
and select the characters by RET) to jump to the place it appears,
where `C-u C-x =' will give information about it.
Select one of the safe coding systems listed below,
or cancel the writing with C-g and edit the buffer
to remove or modify the problematic characters,
or specify any other coding system (and risk losing
the problematic characters).
raw-text emacs-mule no-conversion
</blockquote>
Emacs does, however, save the file―I think even correctly―after one
specifies a coding system for the save such as utf-8 or raw-text.
One can successfully insert characters in the range U+D800–U+DFFF and
also successfully save the file without warning. However, when one
closes and then reopens that file, the same problem as above happens.
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/24.1/etc/DEBUG.
In GNU Emacs 24.1.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.12)
of 2012-09-22 on batsu, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.11300000
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/emacs24:/etc/emacs:/usr/local/share/emacs/24.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.1/site-lisp:/usr/share/emacs/site-lisp'
'--with-crt-dir=/usr/lib/x86_64-linux-gnu' '--with-x=yes'
'--with-x-toolkit=gtk' '--with-toolkit-scroll-bars'
'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2 -fstack-protector
--param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall -O2'
'CPPFLAGS=-D_FORTIFY_SOURCE=2''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: POSIX
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: @im=ibus
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: Help
Minor modes in effect:
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-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
C-x C-f <return> <down> <down> <down> <down> <down>
<down> <return> C-s d 9 8 0 <backspace> <backspace>
<backspace> 8 0 0 C-a C-x C-w <C-Multi_key> C-a C-k
/ t m p / t m p 2 . t t <backspace> x t <return> u
t f C-g ; l <backspace> <backspace> C-x p C-x o C-x
1 ; l ; C-x b <return> C-x b <return> h <help-echo>
; l ; l <next> <prior> C-x o <next> <next> <next> <next>
<next> <next> <home> C-x 0 ; l <up> <up> <up> <up>
<up> <up> <up> <up> <up> <up> <up> <up> <up> C-SPC
M-> M-w M-x r e p o r t - e m a <tab> <return>
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Mark saved where search started
Saving file /tmp/tmp2.txt...
Quit
Auto-saving...done
Type C-x 1 to delete the help window, C-M-v to scroll help.
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/usr/share/emacs/24.1/lisp/net/sasl-digest
Features:
(shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml
mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev
gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util
mail-prsvr mail-utils help-fns help-mode easymenu view multi-isearch
dired regexp-opt time-date tooltip ediff-hook vc-hooks lisp-float-type
mwheel x-win x-dnd tool-bar dnd fontset image fringe lisp-mode register
page menu-bar rfn-eshadow timer select scroll-bar 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 minibuffer loaddefs
button faces cus-face files text-properties overlay sha1 md5 base64
format env code-pages mule custom widget hashtable-print-readable
backquote make-network-process dbusbind dynamic-setting
system-font-setting font-render-setting move-toolbar gtk x-toolkit x
multi-tty emacs)
--
Patrick Xarles Hayes
pxhayes@gmail.com
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^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#14745: 24.1; 24.1; Emacs doesn't correctly read the code points U+D800–U+DFFF when opening a file
2013-06-29 1:34 bug#14745: 24.1; 24.1; Emacs doesn't correctly read the code points U+D800–U+DFFF when opening a file Patrick Xarles Hayes
@ 2013-06-29 7:55 ` Eli Zaretskii
2013-07-01 18:19 ` Glenn Morris
0 siblings, 1 reply; 3+ messages in thread
From: Eli Zaretskii @ 2013-06-29 7:55 UTC (permalink / raw)
To: Patrick Xarles Hayes; +Cc: 14745
> Date: Fri, 28 Jun 2013 21:34:05 -0400
> From: Patrick Xarles Hayes <pxhayes@gmail.com>
>
> $ emacs -Q
> C-x C-f
> Find file: some-file-with-code-points-in-the-range-U+D800–U+DFFF
>
> Emacs 24.1.1 loads the file interpreting any code point in the range of
> U+D800–U+DFFF as a sequence of three bytes (e.g., “\355\240\200” instead
> of a glyph for U+D800). These are the code points in: Non Private Use
> High Surrogate, First; Non Private Use High Surrogate, Last; Private Use
> High Surrogate, First; Private Use High Surrogate, Last; Low Surrogate,
> First; and Low Surrogate, Last.
I can see this in 24.1, 24.2, and 24.3, but not on the trunk. So I
guess this bug was already fixed.
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#14745: 24.1; 24.1; Emacs doesn't correctly read the code points U+D800–U+DFFF when opening a file
2013-06-29 7:55 ` Eli Zaretskii
@ 2013-07-01 18:19 ` Glenn Morris
0 siblings, 0 replies; 3+ messages in thread
From: Glenn Morris @ 2013-07-01 18:19 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: Patrick Xarles Hayes, 14745
Eli Zaretskii wrote:
> I can see this in 24.1, 24.2, and 24.3, but not on the trunk. So I
> guess this bug was already fixed.
Same here (ie, seems fixed).
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2013-07-01 18:19 UTC | newest]
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2013-06-29 1:34 bug#14745: 24.1; 24.1; Emacs doesn't correctly read the code points U+D800–U+DFFF when opening a file Patrick Xarles Hayes
2013-06-29 7:55 ` Eli Zaretskii
2013-07-01 18:19 ` Glenn Morris
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