(From SF patch #810751)

(Contributed by George Yoshida.)

   use re module
   make chomp() use rstrip()

   use re module
   use .split() string method

Doesn't use 'for line in sys.stdin'; that ends up changing its interactive
behaviour.

Run these demo scripts through reindent.py to give them 4-space indents.  I've verified that their output is unchanged.

Redo setting the selection and setting the beacon to deal better
with rows or columns -- these are now expressed by range (1, sys.maxint).

works.  Also row and column selection works (sort of).  The DEL
key deletes the selected rectangle.  sys.argv[1] used by test_gui().

'/tmp' arg.  Change predicate to look for world-writable non-symlink
files.

this avoids resubmitting POST data.

Remove redundant 'Page' from label passed from cmd_new().

hardcoding "/tmp".

Show errors returned by store().

A few nits.