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Bug#329712: Garbles certain graphics characters (e.g., ACS_CKBOARD) in UTF-8 locale



On Fri, Sep 23, 2005 at 12:50:04AM +0200, Daniel Burrows wrote:
> Package: xterm
> Version: 6.8.2.dfsg.1-7
> Severity: normal
> 
>   Since the last xterm update, I've noticed that some graphics characters are 
> occasionally displayed in a garbled fashion.  The one I usually notice is 
> ACS_CKBOARD; the symptom is that instead of being painted as a pattern of 
> alternating white and black dots, it's painted as some sort of solid color.  
> The corruption goes away if I redraw the characters (for instance, by 
> selecting them with the mouse or exposing the window surface).

I took another look at this one today, and it seems that you're getting the
same picture as I would expect if line-drawing is done from built-in tables,
e.g,. because the font does not support it.  That's done with a stipple,
which seems to come only in a finer set of dots than the fonts were done in.
ACS_CKBOARD was a detail that I added in 2004/07/05 (xterm 192).

The color issue appears to be fixed in a change I made in 
2005/04/18 (which is part of #202).  I don't recall whether the
version you reported against was #200 or #202, but suspect the former.

-- 
Thomas E. Dickey <dickey@invisible-island.net>
http://invisible-island.net
ftp://invisible-island.net

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