Path: utzoo!attcan!uunet!lll-winken!ames!pacbell!pbhyf!rob
From: rob@PacBell.COM (Rob Bernardo)
Newsgroups: comp.mail.elm
Subject: Re: Does elm generate invisible screen updates?
Keywords: elm 2.2 PL9 invisible ascii
Message-ID: <5733@pbhyf.PacBell.COM>
Date: 8 Jul 89 16:35:48 GMT
References: <507@wubios.wustl.edu>
Reply-To: rob@PacBell.COM (Rob Bernardo)
Organization: Pacific * Bell, San Ramon, CA
Lines: 13

In article <507@wubios.wustl.edu> david@wubios.wustl.edu (David J. Camp) writes:
+I am just curious, does elm spontaneously generate some invisible
+characters while you are waiting in the index menu?  -David-

Yes. The read for  user input times out every now and then so that elm
can run through it's main loop and test for newly arrived mail. Such an
iteration ofthe loop may cause the Command: prompt to be rewritten, but
it certainly causes the cursor to move on the screen.
-- 
Rob Bernardo      ...![backbone]!pacbell!pbhyf!rob -or- rob@pbhyf.PacBell.COM
  Product engineer, UNIX/C Reusable Code Library        Editor, "Go `C' UNIX"
  Office: (415) 823-2417                Pacific * Bell, San Ramon, California
  Residence: (415) 827-4301                     R BAR JB, Concord, California