Problem with bleed-through of extent properties to preceding end-glyph
Henry S. Thompson writes:
I'm pretty sure this counts as a bug, not a feature. At its
most
extreme (and of course when the glyphs involved are real images), it
prevents accumulating several adjacent images, e.g.
ISTR that this is a known and documented limitation. I think Didier
Verna (now cc'd) is the most likely XEmacs person currently in touch,
although I don't know if he's worked on the extents code in ages.
Patches would certainly be welcome (I know you are not in a position
provide such, Henry, but I do want to acknowledge this as a bug).
The best evidence I can give that this is a bug is that the
nearly-corresponding code for Emacs does not have the bleed-through
property:
From the point of view of getting it fixed, a check with SXEmacs would
be more effective. GNU redisplay is completely different from ours.
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