Screen crippled by applications using alternative screen

Houder houder@xs4all.nl
Sun Apr 27 09:11:00 GMT 2014


Hi David Ferenczy,

>> I'm still having issues with applications which use alternative screen
>> for output (LESS, MAN). When I exit that application, its output stays
>> on screen, prompt is displayed over it.
>
> [snip]
>
>> Example steps to reproduce the issue:
>>
>> 1. execute "man grep"
>> 2. scroll down to the end (PAGE DOWN)
>> 3. exit (press Q), result: http://ferenczy.cz/tmp/cygwin/1.png
>> 4. execute "pwd", result: http://ferenczy.cz/tmp/cygwin/2.png
>> 5. clear screen (CTRL + L), result: http://ferenczy.cz/tmp/cygwin/3.png
>>
>> Behavior is the same in plain cmd.exe, Console2 and ConEmu. MinTTY works
>> fine. If I exit MAN on first page (without scrolling), the screen isn't
>> crippled.
>>
>> To reach clean screen I have to repeatedly clear the screen (CTRL + L)
>> until I browse whole MAN output (all pages). ...
>
> Same story here: MinTTY works, Windows Console (cmd.exe): crippled.
>
> My system: XP-sp3, Cygwin: 1.7.29-2 - 32 bits
>
> (behavior Windows Console was not crippled before .28 as far as I can
>  remember)

Applied snapshot (i.e. replaced cygwin1.dll) generated by cfg (26/4) ...

@@# uname -a
CYGWIN_NT-5.1 xp 1.7.30s(0.272/5/3) 20140426 17:41:38 i686 Cygwin
@@# man grep
@@# man grep
@@# man grep
@@#

As far as I can tell, the problem has been solved.

Pleasantly surprised ... Thank you Christopher.

Henri


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