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Re: PR/30978 CVS commit: src/lib/libcurses
The following reply was made to PR lib/30978; it has been noted by GNATS.
From: Valery Ushakov <uwe%stderr.spb.ru@localhost>
Subject: Re: PR/30978 CVS commit: src/lib/libcurses
Date: Sat, 6 Oct 2018 04:19:43 +0300
On Fri, Oct 05, 2018 at 17:25:26 +0300, Valery Ushakov wrote:
> On Fri, Oct 05, 2018 at 12:00:01 +0000, Roy Marples wrote:
> > curses: allow drawing the lowest right hand cell of the terminal
> > This is a historical behaviour that needs fixing
> > If any terminal does scroll when drawing in the lowest right hand cell
> > of the terminal then an entry should be made in the terminfo database
> > (currently there is no standard code) to state that and define
> > __SCROLLWIN as before.
> TERM=sun seems to have Concept's :xn: beahvior. So if you emit a
> character into the lower-right corner the cursor will wrap and the
> screen will scroll up. That is using naive test with running cat(1)
> and entering characters on Solaris 11 console.
> I'd expect our wsemul_sun to do the same but I can only test a bit
As I expected the new curses is broken with TERM=sun. Emitting that
character into the lower-right corner causes the line to wrap and,
consequenly, the screen contents to scroll up, messing up the display.
You can test by adding
to your config and configuring a new screen by either adding an entry
to /etc/wscons.conf or with e.g.
wsconscfg -e sun 5
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