address@hidden: comint.el: EMACS environment variable]

[Richard Stallman]

Can someone please DTRT about this, then ack?

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Date: Thu, 02 Nov 2006 18:15:11 +0100
From: Markus Triska <address@hidden>
To: address@hidden
Cc: address@hidden
Subject: comint.el: EMACS environment variable
X-Spam-Status: No, score=0.1 required=5.0 tests=FORGED_RCVD_HELO 
        autolearn=failed version=3.0.4


The change installed with CVS version 1.347 of comint.el breaks
interaction with SWI Prolog in modes using comint-mode (e.g., shell
and prolog-mode). SWI Prolog is an interactive program using the GNU
readline library. The change has the same effect as an additional
<RET> after sending the input to the inferior process (using <RET>).

Example Prolog program, "t.pl":

t(a).
t(b).
t(c).
t(d).

Example invocation and interaction on a regular terminal:

       $ pl -s t.pl -q
       ?- t(X).

       X = a ;     <-- user presses ";"

       X = b ;

       X = c ;

       X = d ;

       No

In M-x shell:


       ?- t(X).

       X = a ;     <-- ";" followed by <RET>
       ;

       X = b

       Yes

SWI Prolog version: 5.6.22.


In GNU Emacs 22.0.50.1 (i486-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2006-09-19 on rothera, modified by Debian
 (Debian emacs-snapshot package, version 1:20060915-1)
X server distributor `The X.Org Foundation', version 11.0.70101000
configured using `configure  '--build' 'i486-linux-gnu' '--host' 
'i486-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' 
'--libexecdir=/usr/lib' '--localstatedir=/var' '--infodir=/usr/share/info' 
'--mandir=/usr/share/man' '--with-pop=yes' 
'--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/22.0.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/22.0.50/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/22.0.50/leim'
 '--with-x=yes' '--with-x-toolkit=athena' '--with-toolkit-scroll-bars' 
'build_alias=i486-linux-gnu' 'host_alias=i486-linux-gnu' 'CFLAGS=-DDEBIAN 
-DSITELOAD_PURESIZE_EXTRA=5000 -g -O2''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t


Minor modes in effect:
  show-paren-mode: t
  shell-dirtrack-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t


Thank you, and best wishes! -- Markus Triska


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