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Re: Several suggestions for image support

From: David Kastrup
Subject: Re: Several suggestions for image support
Date: 22 Apr 2004 23:50:09 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

address@hidden (Kim F. Storm) writes:

> David Kastrup <address@hidden> writes:
> > Richard Stallman <address@hidden> writes:
> > 
> > > I wonder if slicing images is really the right approach to take.
> > > It will make possible scrolling through an image, though the
> > > interline spacing will appear between the slices, which would be
> > > ugly.
> > 
> > Unless we provide a way to suppress the interline spacing in that
> > case.
> I specifically reworked the interline spacing code to avoid adding
> extra spacing in this case.
> This is generally useful to properly display "pre-sliced" images
> which are very common on web pages.

There is no question that we need a way to suppress interline spacing
in order to apply sliced images to full utility.  But it might be a
mistake to do this automatically.  For example, preview-latex can
replace simple inline math with images.  If we now happen to have two
rows that consists solely of such inline math images, the interline
spacing will vanish and the rows will get too tight.

Since the removal of interline spacing is mostly desirable in
connection with sliced images, and since there is no code in
existence yet that produces sliced images, we are still free to
define the semantics.  I think it would be a tolerable requirement if
one mounted a sliced image from pieces to cover the newline with a
text property removing the line spacing, as described in a separate

David Kastrup, Kriemhildstr. 15, 44793 Bochum

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