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To: cygwin AT cygwin DOT com
From: Andrew Schulman <schulman DOT andrew AT epa DOT gov>
Subject: Re: *cause of* screen writing over restored buffer on detach/exit
Date: Thu, 11 Apr 2019 08:12:35 -0400
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References: <56fced2e-4f98-7bba-136b-5eeded34ce6f AT shaddybaddah DOT name> <6cc3bc5e-2c3c-61a1-8473-8c531faceac7 AT shaddybaddah DOT name> <b0290101-3511-9ffb-91d3-e88afdbe9df1 AT shaddybaddah DOT name> <990saedodb302s3fr7me8j2befc9pdam97 AT 4ax DOT com> <fdbb0b82-f47d-3eb9-ed81-7d6765258b8f AT towo DOT net>
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> Am 10.04.2019 um 17:04 schrieb Andrew Schulman:
> > Hi Shaddy. There you go again.
> >
> >> The reason seems to be that the Debian screen package packages a custom
> >> /etc/screenrc that does not include this explicit term capability:
> >>
> >>
> >> #
> >> # Do not use xterms alternate window buffer.
> >> # This one would not add lines to the scrollback buffer.
> >> termcap xterm|xterms|xs ti=\E7\E[?47l
> >> terminfo xterm|xterms|xs ti=\E7\E[?47l
> >>
> >>
> >> If I comment these out, my screen issue is resolved.
> >
> > I don't know whose fault the problem is either, but it's probably a
> > particularity of Cygwin. So I'm happy to package the fix as long as it
> > doesn't create any problems.
> screen sends CSI ? 1049l on exit which restores the cursor to the 
> position where it was previously saved.
> It's the "te" (not ti) terminfo sequence for xterm on cygwin.

Thomas, can you please clarify: Are you suggesting changing ti to te in the
above entries? Or do you have another suggested patch?

Although I'm the screen maintainer, I've never learned the intricacies of
termcapinfo.

Thanks,
Andrew


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