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Re: LYNX-DEV Control-Z and SIGSTOP mysteries


From: Hiram Lester, Jr.
Subject: Re: LYNX-DEV Control-Z and SIGSTOP mysteries
Date: Wed, 21 May 1997 15:31:41 -0500 (CDT)

On Wed, 21 May 1997, Foteos Macrides wrote:

> "Hiram Lester, Jr." <address@hidden> wrote:
>       There *is* miscommunication in this thread because from your
> original message simply saying the ^Z doesn't work I had assumed that
> it really doesn't work, i.e., you don't suspend Lynx, but simply end
> up with a blank screen.  However, in your last message to Klaus, you
> referred to "fg", which implies that you did suspend, and are talking
> about what happens when you come back.  Presumeably, the HP curses is
> clearing but not repainting the screen.

In my original message I mentioned "resuming" after a suspend and didn't
mention 'fg' explicitly, so that was probably the problem.  Anyway yes
this is precisely the problem.

>       So, the HP curses possibly is failing to repaint the
> screen on return from the suspend, but "thinks" it did, and
> is like the VMS curses or slang so that it doesn't output
> it again when it "thinks" it's already there, and the ^L
> is not setting clearok(curscr, YES) 'cuz it's not VMS or
> slang, so you can't force it.

Yes, from the behavior, I'd say that is what it is doing.  Any
suggestions? Should I try adding another condition to the VMS and SLANG
(SNAKE, I guess) to LYKrefresh so that clearok(curscr, TRUE) gets set for
HP?  If that works, then I guess you'd have to refresh manually upon
fg'ing...  It seems that if this were the problem that going to another
page (backing up, selecting a link, paging down) or anything else which
should completely redraw the screen would fix things, but it doesn't.

>       Otherwise, it seems even more seriously broken.

It's possible. :)

   +------------------------------------+-------------------------------+
   | Hiram W. Lester, Jr.               | E-Mail: address@hidden    |
   | Computer Science                   | Home page:                    |
   | Middle Tennessee State University  |   http://pobox.com/~hwlester/ |
   +------------------------------------+-------------------------------+

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