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bug#731: 23.0.60; Varying point position after undo


From: martin rudalics
Subject: bug#731: 23.0.60; Varying point position after undo
Date: Mon, 22 Sep 2008 17:59:14 +0200
User-agent: Thunderbird 2.0.0.16 (Windows/20080708)

> Hmm.. the comment seems to say that calling it is just redundant,
> whereas this thread shows that it can actually be harmful.
> Could you improve the comment so as to explain why it's harmful?

I checked it in with a slightly more accurate comment.  IMHO, however,
last_boundary_buffer and last_boundary_position should be documented
better.  In particular, I don't understand the comment near the end of
record_point saying

  /* If we are just after an undo boundary, and
     point wasn't at start of deleted range, record where it was.  */

BTW, why isn't there a separate last_boundary_position for each buffer?

martin






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