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Double column width character written wrongly after refresh

From: Mitsuru Chinen
Subject: Double column width character written wrongly after refresh
Date: Wed, 28 May 2003 00:02:58 +0900


Thanks so much for fixing the former setcchar problem.
This time, I'd like to report another problem.

After refresh() is called, a double column character is
written at wrong place when it is written next to another double
column character.

The following sample program is reproduce this problem.

And the following animation gif shows the problem.
Although this program draws '#' as a background character,
this problem occurs even if it is not drawed.

Could you please look at it?

My environment is
 version : ncurses-5.3 with patches by 2003-05-24
  config : --with-shared --without-cxx --without-ada --enable-widec
   OS    : SuSE Linux 8.1 (kernel-2.4.19, glibc-2.2.5)
  Locale : en_US.UTF-8
Terminal Emulator : uxterm (included in XFree86 4.2.1)
   TERM variable  : xterm-color

Thank you,
Mitsuru Chinen
// AP Linux Technology Center, 
// Yamato Software Lab., SWG, IBM;

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