statement if the pipe was broken.  Patch by Martin Panter.

Methods only raise NotImplementedError and are never used.

Reported by Jon Colburn on docs@.

Also, update email examples to use the context manager version of open().

Patch by Baptiste Mispelon.

See
de Gouw, Stijn and Rot, Jurriaan and de Boer, Frank S and Bubel, Richard and Hähnle, Reiner
"OpenJDK’s java.utils.Collection.sort() is broken: The good, the bad and the worst case"

closing the window.

conditional group references are used in lookbehind assertions in regular
expressions.

consumed too much memory and raised SystemError or MemoryError.
Original patch by Aleksi Torhamo.

flush() was not called in close() if closefd=False.

differs from file system encoding (e.g. on Mac OS).

old-style and new API for string with 2**30-1 characters.

Also, document the LineTooLong exception since it can be raised by
the members of public API (e.g. http.client.HTTPResponse).

Patch by Martin Panter.