- Update lastyield correctly
  - Do event handling if PyMac_YieldEnabled > 0 (previous cmd-. fix
    broke this)
- Use our own GUSISpin routine: fixes crash when exiting with sockets
  open and keeps windows, etc reacting consistently when waiting for
  accepts(), etc.

add-change-log-entry-other-window is so bad about guessing the proper
name of Python functions, methods and variables, so finally I wrote
the following (unidiff patch against python-mode.el 2.73):

Per Cederqvist <ceder@signum.se>

Added more specific directions for editing the environment on Windows '95.
Made the section headers more visible.

hurt for XEmacs.

Add proper initialization of rtn = NULL in unpack_double.

habits of the C library we happen to use...

(Forgot LIBP)

distribution. Also, the user interface has been cleaned up a bit.