[docs] raw deflate format and zlib module (issue 5784)

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http://bugs.python.org/review/5784/diff/14649/Doc/library/zlib.rst
File Doc/library/zlib.rst (right):

http://bugs.python.org/review/5784/diff/14649/Doc/library/zlib.rst#newcode81
Doc/library/zlib.rst:81: Larger values resulting in better compression
at the expense of greater
Larger values _result_ in . . .

http://bugs.python.org/review/5784/