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| From: | Richard Stallman |
| Subject: | Re: Emacs Lisp manual issues regarding overlays, display properties, margins, etc. |
| Date: | Wed, 03 Oct 2007 14:38:09 -0400 |
> Maybe there should be a margin property (distinct from the current
> margin display spec) which specifies material to go in the margin
> (like the way the overlay before-string property works).
IIRC Gerd decided to use a single property `display' rather than several
properties, for reasons of performance. I do not know or remember what was
the particular performance issue(s), tho,
That is true, but we COULD have another kind of `margin' display spec
which works like `before-string'. It would be more logical. So I
wonder why it was not done that way. Maybe there was a reason.
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