reflect build directory structure (the latter done by hand)

	for the extending & embedding manual.

	myformat.sty; having it in extref.tex confuses LaTeX2HTML.

	(and the contents it was supposed to be affecting).  The latest
	LaTeX2HTML handles these, but didn't close it as expected.  This
	handles that problem and does not affect the PostScript output.

	the optional arg of an \item[].

New copyright.

Added date and version to title.

character (this is already a built-in binding now).

Bump version to 2.0.

on the Mac.

Jack!  Please fix this in the Mac distributions!

83 is a prime number.

defeat extra outdentation for block closing statements (return, raise,
break, continue, pass).

(py-compute-indentation): extra argument to honor block closing
statements.

(py-electric-colon, py-indent-region): use py-compute-indentation's
extra argument

(py-statement-closes-block-p): `pass' treated as a block closing
statement.