reference-count annotations; this is needed for the typeset forms of the
manuals.

This closes SF patch #460737.

(Migrate to branch, along with new files compiler.tex and asttable.tex.)

some of the mostly-general files get changed.

Correct the comment at the top of the file.

documentation was written by Jeff Epler (thanks!).

useful explanations.

and the implementation docs for xml.dom.minidom.