[issue7615] unicode_escape codec does not escape quotes

[Richard Hansen]

Richard Hansen <rhansen at bbn.com> added the comment:

Attaching a minimal patch:
  * unicode_escape now backslash-escapes single and double quotes
  * raw_unicode_escape now unicode-escapes single and double quotes
  * raw_unicode_escape now unicode-escapes backslashes
  * removes pickle's escaping workarounds so that it continues to work
  * updates documentation

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Added file: http://bugs.python.org/file15810/unicode_escape_1_minimal.patch

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