Package: emacs;
Reported by: Michael Welsh Duggan <md5i <at> md5i.com>
Date: Sun, 30 Jan 2011 06:27:02 UTC
Severity: normal
Found in version 24.0.50
Done: Eli Zaretskii <eliz <at> gnu.org>
Bug is archived. No further changes may be made.
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owner <at> debbugs.gnu.org, bug-gnu-emacs <at> gnu.org:bug#7939; Package emacs.
(Sun, 30 Jan 2011 06:27:02 GMT) Full text and rfc822 format available.Michael Welsh Duggan <md5i <at> md5i.com>:bug-gnu-emacs <at> gnu.org.
(Sun, 30 Jan 2011 06:27:02 GMT) Full text and rfc822 format available.Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: Michael Welsh Duggan <md5i <at> md5i.com> To: bug-gnu-emacs <at> gnu.org Subject: 24.0.50; bidi-display-reordering has problems with truncate-lines Date: Sun, 30 Jan 2011 01:34:52 -0500
emacs -Q The following lines are to be typed in the resulting *scratch* buffer: M-x toggle-truncate-lines RET (setq bidi-display-reordering t) C-j C-u 82 a C-a The cursor will move not to the last "a" on the line, but rather to the newline of the first line in the window. At this point C-f and C-b can cause some strange behavior. Emacs was built from bzr trunk, checked out Jan 30 at around 1:00am EST, revno 103030. In GNU Emacs 24.0.50.1 (i686-pc-linux-gnu, GTK+ Version 2.20.1) of 2011-01-30 on maru Windowing system distributor `The X.Org Foundation', version 11.0.10707000 configured using `configure '--without-toolkit-scroll-bars' '--with-imagemagick' '--verbose' 'CFLAGS=-O0 -ggdb3'' 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.utf8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default enable-multibyte-characters: t Major mode: Group Minor modes in effect: gnus-topic-mode: t gnus-undo-mode: t display-time-mode: t diff-auto-refine-mode: t shell-dirtrack-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 auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t Recent input: n n n n n n n n n n n n n n n n n n n <return> h h h h h h h h h h h h h h h h h C-a C-p C-e C-a C-n M-x t o g g l e - t r u <tab> <return> C-p C-e C-a C-a M-x s e t - v a <tab> <return> b i d i - <tab> <return> C-g C-g <help-echo> M-x s e t - v a <tab> <return> b i d i - d i <tab> C-g C-g M-: ( s e t q - <backspace> SPC b i d i - d i s p l a y - r e M-/ <backspace> e o r d e r i n g SPC t ) <return> M-: M-p C-e C-b <backspace> n i l ; <backspace> <return> C-e C-a C-e C-a M-x M-p <return> C-g C-g M-: M-p M-p <return> C-e C-a C-n C-g C-g C-f C-f C-f C-f C-f C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-a C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-x o Q M-x r e p o r t - e m <tab> <return> C-g C-x 4 b <return> C-h v t r u <tab> l <tab> <return> C-x 4 b <return> M-x r e p o r t - e m <tab> <return> Recent messages: t nil Don't touch it! It's the History Eraser Button, you fool! [2 times] t Don't touch it! It's the History Eraser Button, you fool! [3 times] Type C-x 4 C-o RET to restore the other window. Scanning for dabbrevs...100% dabbrev-expand: No dynamic expansion for `bidi-displ' found Scanning for dabbrevs...100% dabbrev-expand: No dynamic expansion for `bidi-display-reo' found Load-path shadows: /home/md5i/src/elisp/gnus/lisp/compface hides /home/md5i/src/elisp/gnus/contrib/compface /usr/local/share/emacs/site-lisp/lilypond-mode hides /usr/share/emacs/site-lisp/lilypond-mode /usr/local/share/emacs/site-lisp/lilypond-song hides /usr/share/emacs/site-lisp/lilypond-song /usr/local/share/emacs/site-lisp/lilypond-indent hides /usr/share/emacs/site-lisp/lilypond-indent /usr/local/share/emacs/site-lisp/lilypond-font-lock hides /usr/share/emacs/site-lisp/lilypond-font-lock /usr/local/share/emacs/site-lisp/lilypond-words hides /usr/share/emacs/site-lisp/lilypond-words /usr/local/share/emacs/site-lisp/lilypond-init hides /usr/share/emacs/site-lisp/lilypond-init /home/md5i/src/elisp/psvn hides /usr/share/emacs/site-lisp/psvn /usr/local/share/emacs/site-lisp/lilypond-what-beat hides 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password-cache rng-loc rng-uri rng-parse rng-match rng-dt rng-util rng-pttrn nxml-parse nxml-ns nxml-enc xmltok nxml-util sgml-mode psvn wid-edit log-edit pcvs-util add-log diff-mode easy-mmode inf-caml camldebug thingatpt derived shell caml-types caml-emacs caml-font caml advice help-fns advice-preload compile imenu message sendmail rfc822 mml easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mailabbrev mail-utils gmm-utils mailheader gnus-load generic-x debian-el debian-el-loaddefs dired-x dired-aux dired bbdb-autoloads bbdb timezone ange-ftp comint regexp-opt ring cl 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 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 dynamic-setting system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs) -- Michael Welsh Duggan (md5i <at> md5i.com)
owner <at> debbugs.gnu.org, bug-gnu-emacs <at> gnu.org:bug#7939; Package emacs.
(Sun, 30 Jan 2011 10:56:02 GMT) Full text and rfc822 format available.Message #8 received at 7939 <at> debbugs.gnu.org (full text, mbox):
From: Eli Zaretskii <eliz <at> gnu.org> To: Michael Welsh Duggan <md5i <at> md5i.com> Cc: 7939 <at> debbugs.gnu.org Subject: Re: bug#7939: 24.0.50; bidi-display-reordering has problems with truncate-lines Date: Sun, 30 Jan 2011 06:03:38 -0500
> From: Michael Welsh Duggan <md5i <at> md5i.com>
> Date: Sun, 30 Jan 2011 01:34:52 -0500
> Cc:
>
> emacs -Q
>
> The following lines are to be typed in the resulting *scratch* buffer:
>
> M-x toggle-truncate-lines RET
> (setq bidi-display-reordering t) C-j
> C-u 82 a
> C-a
>
> The cursor will move not to the last "a" on the line,
^^^^^^^^^^^^
You mean "the FIRST a", right?
> but rather to the newline of the first line in the window.
It's a cursor-positioning problem (see "C-x ="). I will take a look
when I have time. C-b does work correctly, though.
Thanks.
Eli Zaretskii <eliz <at> gnu.org>:Michael Welsh Duggan <md5i <at> md5i.com>:Message #13 received at 7939-done <at> debbugs.gnu.org (full text, mbox):
From: Eli Zaretskii <eliz <at> gnu.org> To: md5i <at> md5i.com Cc: 7939-done <at> debbugs.gnu.org Subject: Re: bug#7939: 24.0.50; bidi-display-reordering has problems with truncate-lines Date: Sat, 12 Feb 2011 17:53:05 +0200
> From: Eli Zaretskii <eliz <at> gnu.org> > Date: Sun, 30 Jan 2011 06:03:38 -0500 > Cc: 7939 <at> debbugs.gnu.org > > > From: Michael Welsh Duggan <md5i <at> md5i.com> > > Date: Sun, 30 Jan 2011 01:34:52 -0500 > > Cc: > > > > emacs -Q > > > > The following lines are to be typed in the resulting *scratch* buffer: > > > > M-x toggle-truncate-lines RET > > (setq bidi-display-reordering t) C-j > > C-u 82 a > > C-a > > > > The cursor will move not to the last "a" on the line, > ^^^^^^^^^^^^ > You mean "the FIRST a", right? > > > but rather to the newline of the first line in the window. > > It's a cursor-positioning problem (see "C-x ="). In fact, it was a fundamental flaw in design of displaying hscrolled lines. Thanks for uncovering it. I think I fixed this now, hopefully without breaking anything else. Please try with the latest trunk, and if you still see some problems, feel free to reopen this bug (or file a new one if something else became broken).
Debbugs Internal Request <help-debbugs <at> gnu.org>
to internal_control <at> debbugs.gnu.org.
(Sun, 13 Mar 2011 11:24:04 GMT) Full text and rfc822 format available.
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