GNU bug report logs - #6514
cursor movement around unicode bug

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Glenn Morris <rgm <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#6514: closed (cursor movement around unicode bug)
Date: Thu, 29 Mar 2012 02:13:02 +0000

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Your message dated Wed, 28 Mar 2012 21:41:19 -0400
with message-id <f8obrgyyio.fsf <at> fencepost.gnu.org>
and subject line Re: bug#6514: cursor movement around unicode bug
has caused the debbugs.gnu.org bug report #6514,
regarding cursor movement around unicode bug
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: "Xah Lee" <xah <at> xahlee.org>
To: <bug-gnu-emacs <at> gnu.org>
Subject: cursor movement around unicode bug
Date: Fri, 25 Jun 2010 13:17:18 -0700

create a file with the following 2 lines of unicode char.

⇒⇒⇒⇒
⇒⇒⇒⇒

(these are just repeated character of unicode #x21d2)

place your cursor in one of the arrow. Move your cursor left and right. 
Then, press arrow up or down to move cursor to the next line.

Expected behavior is that they move to the same column as the previous line.

What actually happens is that the cursor got moved one column less. That is, 
more to the left.

Might try to move around the arrow a bit in order to reproduce this problem. 
I think you might have to move cursor left rigt on the same line first.

 Xah
∑ http://xahlee.org/

☄

In GNU Emacs 23.2.1 (i386-mingw-nt6.0.6002) of 2010-05-08 on G41R2F1
ErgoEmacs distribution 1.8.1
Windowing system distributor `Microsoft Corp.', version 6.0.6002
configured using `configure --with-gcc 
(3.4) --no-opt --cflags -Ic:/xpm/include'

Important settings:
 value of $LC_ALL: en_US.UTF-8
 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: cp1252
 default enable-multibyte-characters: t

Major mode: Text

Minor modes in effect:
 text-scale-mode: t
 shell-dirtrack-mode: t
 recentf-mode: t
 iswitchb-mode: t
 show-paren-mode: t
 desktop-save-mode: t
 savehist-mode: t
 pretty-control-l-mode: t
 command-frequency-autosave-mode: t
 command-frequency-mode: t
 yas/global-mode: t
 yas/minor-mode: t
 ergoemacs-mode: t
 delete-selection-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
 auto-encryption-mode: t
 auto-compression-mode: t
 line-number-mode: t
 transient-mark-mode: t
 abbrev-mode: t

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From: Glenn Morris <rgm <at> gnu.org>
To: 6514-done <at> debbugs.gnu.org
Subject: Re: bug#6514: cursor movement around unicode bug
Date: Wed, 28 Mar 2012 21:41:19 -0400

Version: 24.1

Eli Zaretskii wrote:

> I can easily reproduce this in Emacs 23.2 (which was where this bug
> was originally reported), but not with the current trunk, nor with
> Emacs 24.0.94.  So I think this bug was fixed some time in between.

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