Issue #20113: os.readv() and os.writev() now raise an OSError exception on
error instead of returning -1.
(Merge 3.3) Issue #20113: os.readv() and os.writev() now raise an OSError
exception on error instead of returning -1.
Issue #20113: Fix test_posix on OpenIndiana
(Merge 3.3) Issue #20113: Fix test_posix on OpenIndiana
whatsnew: FileIO.readall performance, os.cpu_count.

And more news item tweaks.
Fix verb tense in base64 docs, and the phrasing of a news entry.
Merge: Fix verb tense in base64 docs, and the phrasing of a news entry.
whatsnew: InspectLoader.get_code now concrete, b32decode raises binascii.Error.

And a news item rephrase.