Closes #13867: remove untrue comment about PyWeakref_Check().
Closes #13867: remove untrue comment about PyWeakref_Check().
Issue #18037: Do not escape '\u' and '\U' in raw strings.
Issue #18037: Do not escape '\u' and '\U' in raw strings.
merge heads
merge heads
merge with 3.3
Add "->" as a delimiter token.  Found by James Harding on docs@.
merge with 3.3
Fix wrong link.
merge with 3.3
Clarify two points about division and shifting. Suggested by Albert Hofkamp on docs@.
merge with 3.3
Minor grammar fix.
merge with 3.3
Issue #18948: improve SuppressCoreFiles to include Windows crash popup suppression, and use it in more tests.
Patch by Valerie Lambert and Zachary Ware.
Issue 19158:  a rare race in BoundedSemaphore could allow .release() too often.
Issue 19158:  a rare race in BoundedSemaphore could allow .release() too often.
Whitespace normalization.