How to determine what face is associated with a bit of text?

[Stephen J. Turnbull]

Sean MacLennan writes:

 > > http://turnbull.sk.tsukuba.ac.jp/Tools/XEmacs/introspector-0.80-pkg.tar.gz
 > 
 > I just tried this, very nice. Why isn't this a stock package?

0.  Until now, nobody's ever tried it even though it's been announced
    four times.  If nobody wants it, well then! ;-)

That's the main thing.  Now that people are showing interest, I have
some incentive to work on the following 5 bugs.  (The solution to #2
is probably for me to just get over it, but the others are real bugs.)

1.  It really should be merged with or replace what-cursor-position.

This means deciding whether it goes in core, xemacs-base, or
xemacs-devel.  Given the use case here, I tend to favor xemacs-base.

2.  It's insanely complicated for the amount of functionality it
    actually provides.  I'm embarrassed!

3.  The geometry management is buggy.  There's a bunch of ugly cruft
    to fine-tune the window origin that I'd really like to get rid of.

4.  It's really ugly in 21.4 because 21.4 doesn't have a way to get
    rid of all window manager decorations.  Presumably in the next
    release....

5.  Internal formatting has a nasty bug in that it will easy run off
    the right edge of the window for long properties.  Since it's not
    under control of the WM there's no way to deal with this.