these make no sense. Since this was documented, they're being
deprecated now.
-- String methods lstrip(), rstrip() and strip() now take an optional
- argument that specifies the characters to strip. For example,
- "Foo!!!?!?!?".rstrip("?!") -> "Foo".
+- String and unicode methods lstrip(), rstrip() and strip() now take
+ an optional argument that specifies the characters to strip. For
+ example, "Foo!!!?!?!?".rstrip("?!") -> "Foo".
- Added a new dict method pop(key). This removes and returns the
value corresponding to key. [SF patch #539949]