why does "python --version" write to standard error?

Date	2014-03-07 18:57 +1100
From	Cameron Simpson <cs@zip.com.au>
Subject	why does "python --version" write to standard error?
Newsgroups	comp.lang.python
Message-ID	<mailman.7891.1394179074.18130.python-list@python.org> (permalink)

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This seems to write the python version to standard error. That seems
very wrong. And at variance with the manual entry.

Commentry?
-- 
Cameron Simpson <cs@zip.com.au>

This is not a bug. It's just the way it works, and makes perfect sense.
        - Tom Christiansen <tchrist@jhereg.perl.com>
I like that line. I hope my boss falls for it.
        - Chaim Frenkel <chaimf@cris.com>

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why does "python --version" write to standard error? Cameron Simpson <cs@zip.com.au> - 2014-03-07 18:57 +1100

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