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[Octave-bug-tracker] [bug #46383] Documentation for using up/down arrows
From: |
anonymous |
Subject: |
[Octave-bug-tracker] [bug #46383] Documentation for using up/down arrows for history in emacs incorrect |
Date: |
Thu, 05 Nov 2015 23:18:37 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 |
URL:
<http://savannah.gnu.org/bugs/?46383>
Summary: Documentation for using up/down arrows for history
in emacs incorrect
Project: GNU Octave
Submitted by: None
Submitted on: Thu 05 Nov 2015 11:18:35 PM UTC
Category: Documentation
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Incorrect Documentation
Status: None
Assigned to: None
Originator Name: Jonathan Holmes
Originator Email: address@hidden
Open/Closed: Open
Discussion Lock: Any
Release: 3.8.1
Operating System: Any
_______________________________________________________
Details:
The documentation on this page:
https://www.gnu.org/software/octave/doc/interpreter/Running-Octave-from-Within-Emacs.html#Running-Octave-from-Within-Emacs
says that to make the up/down arrows behave as in the shell, one should add
the following code to .emacs:
(add-hook 'inferior-octave-mode-hook
(lambda ()
(turn-on-font-lock)
(define-key inferior-octave-mode-map [up]
'comint-previous-input)
(define-key inferior-octave-mode-map [down]
'comint-next-input)))
This does not create behavior that one would expect in the shell; in the
shell, the up arrow will search for a command that matches what you have
already typed in, while in emacs with this code, you will cycle through all
commands regardless of what you have typed in.
I am using Octave 3.8.1 and Emacs 24.3.1.
I know absolutely nothing of Emacs Lisp, but I looked up the comint-next-input
and comint-previous-input commands and found that the following seemed to
match the behavior in the shell:
(add-hook 'inferior-octave-mode-hook
(lambda ()
(turn-on-font-lock)
(define-key inferior-octave-mode-map [up]
'comint-previous-matching-input-from-input)
(define-key inferior-octave-mode-map [down]
'comint-next-matching-input-from-input)))
_______________________________________________________
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