* overlay start/end marker access funs?
@ 2002-03-12 2:51 Miles Bader
2002-03-12 18:07 ` Stefan Monnier
2002-03-12 20:29 ` Richard Stallman
0 siblings, 2 replies; 3+ messages in thread
From: Miles Bader @ 2002-03-12 2:51 UTC (permalink / raw)
I wanted to augment `describe-text-at' to print the start/end
insertion-types of overlays, but there doesn't seem to be any way to
actually get that info in elisp.
So, I thought it might be nice to add `overlay-start-marker'and
`overlay-end-marker' access functions -- then one could use
`marker-insertion-type' to do what I want.
Does anyone see a problem with allowing elisp access to these markers?
(or is there one already, and I'm missing it?)
[If there is a problem, I guess something like `overlay-start-insertion-type'
and `overlay-end-insertion-type' would be OK, then.]
Thanks,
-Miles
--
97% of everything is grunge
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* Re: overlay start/end marker access funs?
2002-03-12 2:51 overlay start/end marker access funs? Miles Bader
@ 2002-03-12 18:07 ` Stefan Monnier
2002-03-12 20:29 ` Richard Stallman
1 sibling, 0 replies; 3+ messages in thread
From: Stefan Monnier @ 2002-03-12 18:07 UTC (permalink / raw)
Cc: emacs-devel
> I wanted to augment `describe-text-at' to print the start/end
> insertion-types of overlays, but there doesn't seem to be any way to
> actually get that info in elisp.
>
> So, I thought it might be nice to add `overlay-start-marker'and
> `overlay-end-marker' access functions -- then one could use
> `marker-insertion-type' to do what I want.
>
> Does anyone see a problem with allowing elisp access to these markers?
> (or is there one already, and I'm missing it?)
>
> [If there is a problem, I guess something like `overlay-start-insertion-type'
> and `overlay-end-insertion-type' would be OK, then.]
The lack of this functionality is already noted in subr.el in
the definition of `copy-overlay'. So I agree it would be good to have.
Stefan
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* Re: overlay start/end marker access funs?
2002-03-12 2:51 overlay start/end marker access funs? Miles Bader
2002-03-12 18:07 ` Stefan Monnier
@ 2002-03-12 20:29 ` Richard Stallman
1 sibling, 0 replies; 3+ messages in thread
From: Richard Stallman @ 2002-03-12 20:29 UTC (permalink / raw)
Cc: emacs-devel
Does anyone see a problem with allowing elisp access to these markers?
(or is there one already, and I'm missing it?)
That would make it possible to call move-marker on them,
which would mess up the overlay data structure.
So it would be better to add a function that only provides access
to the insertion types.
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2002-03-12 2:51 overlay start/end marker access funs? Miles Bader
2002-03-12 18:07 ` Stefan Monnier
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