wrong display of slanted characters (on MS-Windows XP with official GNU Emacs v22.1)

From: "Peter Tury" <tury.peter@gmail.com>
To: bug-gnu-emacs@gnu.org
Subject: wrong display of slanted characters (on MS-Windows XP with official GNU Emacs v22.1)
Date: Fri, 22 Jun 2007 13:54:10 +0200	[thread overview]
Message-ID: <b5accf970706220454n4a1119b6xbaf20d074f9bbbb1@mail.gmail.com> (raw)

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Hi,

I found that some slanted (italic) characters (especially `d') is
displayed in a wrong way sometimes: their upper right corner is
damaged _when I move the `point' from the position immediately after
them_.

I attach a picture about the problem: see the second d in the second line.

To reproduce the problem try this: run `runemacs -Q' > change to
fundamental mode > type  "d_x" > make the whole text slanted (M-o i) >
move point immediately after d (so cursor is on _): after a while (a
cursor blinking time?) d is damaged; the same happens if you move
point from the position immediately following d: either go up, down or
right. But if you move from other positions (e.g. from position
_before_ d, then d remains OK). This behavior seems to be independent
from cursor blinking.

Please fix this bug.

Thanks,
P

In GNU Emacs 22.1.1 (i386-mingw-nt5.1.2600)
 of 2007-06-02 on RELEASE
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4) --cflags -Ic:/gnuwin32/include'

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: ENU
  locale-coding-system: cp1252
  default-enable-multibyte-characters: t

Major mode: Fundamental

Minor modes in effect:
  encoded-kbd-mode: t
  tooltip-mode: t
  tool-bar-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
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t

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