[6174] in Athena Bugs

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re: terminal driver

daemon@ATHENA.MIT.EDU (John T Kohl)
Sun Oct 7 13:45:49 1990

Date: Sun, 7 Oct 90 13:45:36 -0400
From: John T Kohl <jtkohl@ATHENA.MIT.EDU>
To: jh@ATHENA.MIT.EDU
Cc: bugs@ATHENA.MIT.EDU
In-Reply-To: [6172]

>Date: Sat, 6 Oct 90 17:25:18 -0400
>From: Joe Harrington <jh@ATHENA.MIT.EDU>

>login to sol on X display, set TERM and term to vt100, unsetenv
>TERMCAP (window is 80x24).  rlogin to venus.  emacs sees no ^s or
>^q's; they're caught by omeone else and used for flow control.

rlogin by default will use ^S/^Q for flow control.  On athena systems,
see the -noflow option; on non-athenaized rlogin's check out -8.

>login to sol on X display, set TERM and term to vt100, unsetenv
>TERMCAP (window is 80x24).  telnet to venus.  emacs DOES see ^s and
>^q, but all screen updates are badly mangled: ^e erases to end of
>line, instead of just moving cursor.  file is not affected by such
>things, just screen.  other keys besides ^e are affected, all in the
>same way -- screen updates are wrong.

Sounds like some lossage I saw before... try a 'stty tabs' on ALL
systems which emit terminal info into that window (i.e. both sol &
venus), then start emacs and see if the problem persists.
[When emacs prints a ^I and the terminal driver converts that to <SPC>*,
bad things happen.]

John


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