> After reading the CG stuff, If you feel any info should be brought
> over to the users manual, post a patch and we can discuss it. And,
> of course, if after reading the CG stuff is still unclear on how
> they work, lemme know.
OK, I've read it, and the concept of purity is explained well, thanks.
However, it's still not clear to me why the example works.
. First of all, `make-XXX-stencil' seems to be completely
undocumented. At least I can't find those functions in the
reference (except some unsystematic usage here and there).
. I would expect that both `make-circle-stencil' and
`make-filled-box-stencil' produce something which has a natural
height. Apparently, this isn't true. Why? This should be
mentioned, otherwise the example is not really comprehensible
IMHO.
. Even if `make-XXX-stencil' produce objects with zero height, I
don't understand why the layout engine ignores it. IMHO, zero
height is not the same as an empty stencil.
Maybe there is something else which I don't understand...
Werner
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