[issue4473] POP3 missing support for starttls

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

"lst[1:] if len(lst)>1 else []" is useless, lst[1:] alone does the 
same :-) So it can be simplify to:
  def _parsecap(line):
     lst = line.split()
     return lst[0], lst[1:]

You might add a real example in the capa() docstring.

About poplib_02_sock_shutdown.diff: I'm not sure that poplib is the 
right place to fix the issue... if there is really an issue. Why not 
calling shutdown directly in socket.close()? :-)

You removed self._sock, nice.

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<http://bugs.python.org/issue4473>
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