#22237: document that sorted() is guaranteed to be stable.  Initial patch by Martin Panter.
#22237: merge with 3.4.
#22237: fix patch attribution.
#22237: merge patch attribution fix.
#22196: link to Enum in the nametuple documentation.  Patch by Karmen Dykstra.
#22196: link to Enum in the nametuple documentation.  Patch by Karmen Dykstra.
Null merge.
PYTHONY2K is long gone. Remove traces from the docs and manpage.
merge with 3.4