bug#17864: [BUG] Emacs - run-octave hangs

[Peter Nagy <xificurc@gmail.com>]

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Hi, I hope I'm writing at the correct place.

I'm running Emacs 24.3.1 on an Arch. I can M-x shell and run octave, or
even octave -i --no-line-editing just fine. However M-x run-octave hangs
indefinitely. After M-x toggle-debug-on-quit and C-g during the hang I get
this backtrace:

Debugger entered--Lisp error: (quit)
  accept-process-output(#<process Inferior Octave>)
  inferior-octave-send-list-and-digest(("more off;\n" "PS1 (\"\\\\s>
\");\n" "source (\"~/.emacs-octave\");\n"))
  inferior-octave-startup()
  run-octave(nil)
  ... (rest deleted)

My .emacs-octave is empty, I didn't have it, but even before creating it I
had the same error, only the last value of the list to digest was nil. I
get an inferior octave buffer created which greets me with the standard
stuff but I'm missing a prompt. Writing in it is possible but provides no
feedback.

Emacs  : GNU Emacs 24.3.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.12.2)
 of 2014-06-11 on var-lib-archbuild-staging-x86_64-jgc
Package: Emacs version 24.3.1

current state:
==============
(setq
 octave-blink-matching-block t
 octave-block-offset 2
 octave-comment-char 35
 octave-continuation-offset 4
 octave-continuation-string "\\"
 octave-send-echo-input t
 octave-send-line-auto-forward t
 octave-send-show-buffer t
 )


Thank you for reading

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