* Lint: Disable a couple potentially problematic/unneeded hooks
* Lint: Refine regex for existing Content-Type and PEP references checks
* Lint: Refine regex for Python-Version check and fix a couple deviations
* Lint: Refine regex for Created check and fix a couple deviations
* Lint: Refine regex for Resolution check and fix a few deviations
* Lint: Add new check for Post-History header
* Lint: Add check for Discussions-To header link
* Lint: Add basic check for PEP title presense & excessive length
* Lint: Add check for PEP/BDFL-Delegate header
* Lint: Add check for Sponsor header
* Lint: Add check for legacy Author field format
* Lint: Add check for RST Author field
* Lint: Use more helpful, user-oriented descriptions for header checks
* PEP 245: Add historical note and archive links to wiki page/email lsit
* PEP 628: Add direct link to resolution in acceptance message
* Lint: Explictly allow all valid RFC 2822 line continuations in headers
* Lint: Tweak Post-History and Resolution checks to accept fragments
Per PEP 600:
```
When this PEP is accepted, the previous manylinux PEPs will receive a final update noting that they are no longer maintained and referring to this PEP.
```
Changes detected by Topy (https://github.com/intgr/topy), all changes
verified by hand, false positives have been omitted.
These range from straight-out misspellings to debatable hyphen placement.
The hyphen changes are supported by grammar manuals of style.
Major rewrite pass over PEP 600
This has minimal substantive changes, though it does fill in some
details. Mostly it's just aligning the text with all the discussion on
Discourse.
Updated manylinux naming and compatibility profile definition
proposal, to be considered in combination with the
(competing/complementary?) manylinux2014 proposal in
PEP 599.
Adam Turner
CAM Gerlach
Matthieu Darbois
Brett Cannon
Marti Raudsepp
Paul Moore
Nathaniel J. Smith
Thomas Kluyver