From: Dan Nicolaescu <dann@ics.uci.edu>
To: storm@cua.dk (Kim F. Storm)
Cc: Miles Bader <miles.bader@necel.com>, emacs-devel@gnu.org
Subject: Re: [dalias@aerifal.cx: ansi-term \e[J causes spurious newline [revised report]]
Date: Thu, 22 Mar 2007 10:06:21 -0700 [thread overview]
Message-ID: <200703221706.l2MH6WDo003611@oogie-boogie.ics.uci.edu> (raw)
In-Reply-To: <m3wt198w7v.fsf@kfs-l.imdomain.dk> (Kim F. Storm's message of "Thu\, 22 Mar 2007 10\:27\:00 +0100")
storm@cua.dk (Kim F. Storm) writes:
> Dan Nicolaescu <dann@ics.uci.edu> writes:
>
> > Well, that's a rat hole that I don't think we want to get into. Not at
> > this point in the release cycle. If users show that some features are
> > required by real applications to run correctly, then we can consider
> > it.
>
> The reporter specifically mentioned busybox command line editing.
Where? The message that I was CCed on only mentioned "echo".
> We cannot expect embedded systems to rely on termcap/terminfo.
> Rather they will issue hardcoded VT100 escape sequences - like
> ESC [ J, and expect the terminal emulator to DTRT...
>
> I've tested the 'echo' example with both xterm and minicom (which I
> use with embedded systems). Both behave identically - for ESC [ J
> and for ESC [ 1 J -- and in accordance with the reporter's expectations
> for a "true" VT100 terminal.
>
> So you may claim that the behaviour is "undefined" - but practical
> tests shows "consistent" behaviour, different from what Emacs term
> does.
>
> IMO, we should fix term to behave like other VT100 emulators.
> The current behaviour is clearly broken -- besides, fixing this
> doesn't change the semantics of the only case where it was defined
> before.
I will look at that after the release. I don't think the proposed fix
is correct and I don't have time to deal with it now.
next prev parent reply other threads:[~2007-03-22 17:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-19 18:10 [dalias@aerifal.cx: ansi-term \e[J causes spurious newline [revised report]] Richard Stallman
2007-03-21 16:51 ` Chong Yidong
2007-03-21 18:40 ` Dan Nicolaescu
2007-03-21 19:16 ` Chong Yidong
2007-03-21 20:16 ` Dan Nicolaescu
2007-03-22 2:36 ` Miles Bader
2007-03-22 3:22 ` Dan Nicolaescu
2007-03-22 3:44 ` Miles Bader
2007-03-22 5:08 ` Dan Nicolaescu
2007-03-22 6:08 ` Miles Bader
2007-03-22 9:27 ` Kim F. Storm
2007-03-22 17:06 ` Dan Nicolaescu [this message]
2007-03-22 22:00 ` Kim F. Storm
2007-03-22 5:01 ` Richard Stallman
2007-08-03 15:49 ` Dan Nicolaescu
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