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Re: How can I be notified whenever point of a buffer changed?


From: Kai Grossjohann
Subject: Re: How can I be notified whenever point of a buffer changed?
Date: Thu, 12 Apr 2007 10:09:48 +0200
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.93 (gnu/linux)

"Ender" <oldcode@gmail.com> writes:

> I want a user defined function be called whenever point of a desired
> buffer was changed, how can I do this stuff?

The following info node explains the point-left and point-entered text
properties:

    (elisp)Special Properties

I found it like this:

M-x apropos RET point.*hook RET

This mentioned a variable inhibit-point-motion-hooks.  The
documentation of this variable mentions the point-left and
point-entered text properties.

So I went to the elisp info file (Emacs Lisp Reference), hit the i key
to search the index and entered point-left as the search string.

Kai





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