[docs] [issue15527] Double parens in functions references

[Roundup Robot]

Roundup Robot added the comment:

New changeset be4da80b493e by Martin Panter in branch '2.7':
Issue #15527: remove double parens by changing markup.
https://hg.python.org/cpython/rev/be4da80b493e

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15527>
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