v3.13.13
[3.13] gh-144386: Update equivalent code for "with", "async with" and "async for" (GH-144472) (GH-144946)
[3.13] gh-145305: Update ocert.org URLs in docs from http to https (GH-145304) (GH-145323)
[3.13] gh-70870: Clarify dual usage of 'free variable' (GH-122545) (#125088)
[3.13] gh-97914: Reword misleading sentence on conditional expressions (GH-139064) (#140094)
Docs: Add label to grammar spec for linking from PEPs (#113235)
[3.13] gh-69686: Remove untrue part of `__import__` replacement docs (GH-143261) (#143282)
Merge from 3.2: remove unneeded "Release" and "Date" markers from index pages.
[3.13] GH-103484: Fix permanently redirects reported by linkcheck (GH-124144) (#124151)
[3.13] gh-127833: lexical analysis: Add backticks to BOM example (GH-132407) (#133633)
[3.13] gh-74955: Document that __all__ must contain strings in normalization form NFKC (GH-144504) (GH-144520)
GH-97950: Use new-style index directive ('builtin') (#104164)