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From: Chris Faylor <cgf AT cygnus DOT com>
Date: Tue, 17 Aug 1999 16:16:36 -0400
To: cygwin-developers AT sourceware DOT cygnus DOT com
Subject: Re: Terminal handling with the 990809 snapshot
Message-ID: <19990817161636.C976@cygnus.com>
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References: <19990810210956 DOT A15706 AT ba DOT best DOT com> <19990811154056 DOT C1219 AT cygnus DOT com> <19990817145646 DOT C10229 AT ba DOT best DOT com>
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In-Reply-To: <19990817145646.C10229@ba.best.com>; from Glenn Spell on Tue, Aug 17, 1999 at 02:56:46PM -0400

On Tue, Aug 17, 1999 at 02:56:46PM -0400, Glenn Spell wrote:
>On 11 Aug 1999 around  3:40PM (-0400) Chris Faylor wrote:
>>On Tue, Aug 10, 1999 at 09:09:56PM -0400, Glenn Spell wrote:
>>>If I log into Cygwin with any shell and immediately issue the command
>>>"ls --color", I can see the color appear for an instant, but then it
>>>disappears and everything is black and white.  If I continue issuing
>>>the same command, somewhere around the third to the fifth try...  the
>>>color will "stick".
>>>
>>>This behavior started with the 990626 snapshot and continues thru the
>>>990809 snapshot.
>>
>>That's undoubtedly because I backed out the scroll "fixes" that were
>>submitted for Windows 95.  They caused many problems for many people
>>but they probably fixed that particular behavior.
>
>I don't know about what Keith Reynolds did, but Kazuhiro Fujieda seems
>to have put considerable effort into the scroll patches.

I remember one patch that, IIRC, essentially reverted to the previous
behavior.  I may be mistaken but I don't remember any indication of
considerable effort.  Perhaps Kazuhiro will correct me if I'm wrong.

>Also, I never witnessed any of the problems reported with the patches.
>Perhaps there's also a termcap problem.  I did, however, witness the
>slowness problems that Kazuhiro was working on.

Ok.  Many many people experienced problems however, including me.

>There are screen attributes and display performance issues still
>outstanding.  I'd work on this if I knew how.  Can the issue be
>"revisited"?

If someone wants to take a stab at correcting the behavior, I'd be
happy to look at patches.  I won't accept anything that slows down
scrolling or causes cygwin to update the screen incorrectly.

-chris