[docs] [issue18676] Queue: document that zero is accepted as timeout value

Roundup Robot added the comment: New changeset 737b53ec5d1a by Terry Jan Reedy in branch '2.7': Issue #18676: Change 'positive' to 'non-negative' in queue.py put and get http://hg.python.org/cpython/rev/737b53ec5d1a New changeset 2122d56d6bc5 by Terry Jan Reedy in branch '3.3': Issue #18676: Change 'positive' to 'non-negative' in queue.py put and get http://hg.python.org/cpython/rev/2122d56d6bc5 New changeset d9a9fe5e700d by Terry Jan Reedy in branch 'default': Issue #18676: Merge from 3.3 http://hg.python.org/cpython/rev/d9a9fe5e700d ---------- nosy: +python-dev _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue18676> _______________________________________