[issue25663] Make rlcompleter avoid duplicate global names

[Martin Panter]

Martin Panter added the comment:

I chose to keep my strategy of using the set. Using a dictionary to hold the matches could mess up the order, although it looks like Readline sorts the matches before displaying them.

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25663>
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