[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: helpful messages whensoever one hits a wrong key
From: |
Johan Bockgård |
Subject: |
Re: helpful messages whensoever one hits a wrong key |
Date: |
Wed, 14 Jun 2006 01:43:18 +0200 |
User-agent: |
Gnus/5.110005 (No Gnus v0.5) Emacs/22.0.50 (gnu/linux) |
Miles Bader <miles@gnu.org> writes:
> I dunno, maybe showing a huge help message immediately would suck,
> but the general idea of having a buffer/region-specific alternative
> error message for trying to modify read-only text would be a good
> thing
You can have a region-somewhat-specific error message by using a
string-valued `read-only' text property (in Emacs 22):
(insert (propertize "xxx" 'read-only "Bork Bork Bork!"))
An attempt to modify the text displays
Text is read-only: "Bork Bork Bork!"
This feature seems to be undocumented.
--
Johan Bockgård