beta -- if there are bugs, I'll post a patch page and release 1.5.2
sooner.)

JPython interpreters.  This implementation may suck.

(py-jpython-command, py-jpython-command-args): New variables.

(py-mode-map): py-toggle-shells bound to C-c C-t

(py-toggle-shells): Command to toggle between using CPython (the
default) and JPython.  This is buffer local, and notice the mode-name
change.

(py-shell): Use either CPython or JPython.  Note that py-execute-*
still needs to be modified.

Also contains getuser(), which returns the username (not prompting though).
These work on Unix and Windows!

Consistently use ' instead of ":  this conforms to my unofficial stance that
constants should be presented using the repr() whenever it makes sense.  This
isn't because I think repr() is the greatest thing since spam, just that it's
an easy to adopt consistency standard.  (It also holds no new surprises!)

do_cmd_lineiii():  Fix markup style conversion to HTML tags for first column.
	(The endtag wasn't formed properly.)

\seemodule.  This is far easier than figuring out the real problem, but it
works.

library have no relationship with GNU software other than implementing some of
the same algorithms and file format.  (The zlib module is more general.)

Clarified text on 8-bit cleanness, complemented sets like [^5], and {m,n}
  qualifier.