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Re: [reveal-mode] Hiding short expressions

From: David Kastrup
Subject: Re: [reveal-mode] Hiding short expressions
Date: 06 Jul 2004 21:56:32 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

Ralf Angeli <address@hidden> writes:

> * Kevin Rodgers (2004-07-06) writes:
> > Ralf Angeli wrote:
> >  > * Stefan (2004-07-03) writes:
> >  >>Indeed, I think it should be decided on an overlay basis rather
> >  >>than for the whole buffer.  But I don't like forcing an
> >  >>indirection through `category', so I'd just do (overlay-get ol
> >  >>'reveal-close) which also obeys the `category' prop if present.
> >  >
> >  > This would be fine with me.  I'd use the symbol 'reveal-on-cursor-out,
> >  > though.
> >
> > Emacs generally uses the term point instead of cursor, e.g. the
> > point-entered and point-left text properties.  So how about
> > reveal-point-left or reveal-when-point-left?
> One remark: If I am the only one who requested/needed such a feature,
> please don't bother anymore.
> While I was working with reveal.el I found that I cannot use the
> 'invisible property of overlays which has to be set with reveal.el.
> If there are invisible overlays, `move-to-column' will not look at
> the content covered by the overlay but at the overlay itself.  Now
> when you fill a paragraph with short overlays covering some longer
> text passages and delete the overlays afterwards, there will most
> likely be overfull lines.  Therefore I cannot use reveal.el in its
> totality anyway and I am not in need of it testing for a special
> property anymore.

If you would need reveal's functionality triggered on a different
property, it should be reasonably straightforward to make the
'invisible which reveal.el looks at configurable.

David Kastrup, Kriemhildstr. 15, 44793 Bochum

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