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Re: lib/53653: Curses doesn't always show line drawing characters correctly on wsvt25
The following reply was made to PR lib/53653; it has been noted by GNATS.
From: Julian Coleman <jdc%coris.org.uk@localhost>
Cc: lib-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
Subject: Re: lib/53653: Curses doesn't always show line drawing characters
correctly on wsvt25
Date: Mon, 8 Oct 2018 16:20:58 +0200
> It's not the color, but turning off A_BOLD that seems to confuse it.
> The following standalone test case fails with TERM=wsvt25 and
> TERM=vt200 (but works with xterm and vt100).
This might be related to the attribute unset logic in refresh.c:
where we test colour and other attributes when we disable bold (standout)
and the logic to set this in setterm.c:
However, neither of these check ACS, so __unsetattr() is another possibility:
For some reason, we think that ACS is still on but we have switched it off.
However, I'm not sure why we see the difference between xterm/vt100 and
wsvt25/vt200 here - I guess that we parse the terminfo incorrectly.
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