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Re: [CVS] [patch] text property `point-entered': function called to ofte


From: Richard Stallman
Subject: Re: [CVS] [patch] text property `point-entered': function called to often
Date: Mon, 03 Mar 2003 13:58:56 -0500

    According to this, Emacs should *not* call the function that is the
    value of those text properties, if the value at the old location and
    the value at the new one are `eq'. This BTW is already suggested by
    the names `point-left' and `point-entered'.

Sometimes it should.  Consider this text, which is just below
the manual text you cited:

    The same comparison is made for the characters before the old and new
    locations.  The result may be to execute two @code{point-left} functions
    (which may be the same function) and/or two @code{point-entered}
    functions (which may be the same function).  In any case, all the
    @code{point-left} functions are called first, followed by all the
    @code{point-entered} functions.


    But Emacs calls this function _each_ time point moves.

For me, it does so only when the surrounding point-entered
and point-left properties change.

The code appears to be correct.




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