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Infinite loop in move_it_vertically_backward
From: |
YAMAMOTO Mitsuharu |
Subject: |
Infinite loop in move_it_vertically_backward |
Date: |
Fri, 15 Jul 2005 12:16:05 +0900 (JST) |
User-agent: |
SEMI/1.14.6 (Maruoka) FLIM/1.14.6 (Marutamachi) APEL/10.6 Emacs/22.0.50 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) |
Emacs falls into infinite loop with:
1. emacs -Q -D
2. Evalulate the following expression in *scratch*.
(progn
(goto-char (point-min))
(insert (string-to-multibyte "\200"))
(goto-char (point-min))
(recenter))
Debugger says move_it_vertically_backward in xdisp.c does not finish
because it2.method at line 6389 remains to be GET_FROM_DISPLAY_VECTOR.
6381 y-distance. */
6382 it2 = *it;
6383 it2.max_ascent = it2.max_descent = 0;
6384 do
6385 {
6386 move_it_to (&it2, start_pos, -1, -1, it2.vpos + 1,
6387 MOVE_TO_POS | MOVE_TO_VPOS);
6388 }
6389 while (it2.method != GET_FROM_BUFFER);
6390 xassert (IT_CHARPOS (*it) >= BEGV);
YAMAMOTO Mitsuharu
address@hidden
In GNU Emacs 22.0.50.1 (sparc-sun-solaris2.8, X toolkit, Xaw3d scroll bars)
of 2005-07-15 on church
X server distributor `The XFree86 Project, Inc', version 11.0.40300000
configured using `configure '--x-libraries=/usr/local/lib' 'CFLAGS=-O2 -mv8''
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: ja
locale-coding-system: japanese-iso-8bit
default-enable-multibyte-characters: t
Major mode: Lisp Interaction
Minor modes in effect:
display-time-mode: t
tool-bar-mode: t
mouse-wheel-mode: t
tooltip-mode: t
auto-compression-mode: t
menu-bar-mode: t
blink-cursor-mode: t
unify-8859-on-encoding-mode: t
utf-translate-cjk-mode: t
line-number-mode: t
next-error-follow-minor-mode: Fol
- Infinite loop in move_it_vertically_backward,
YAMAMOTO Mitsuharu <=