* 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
* Clarify how arguments are cast
* Limited C API version 3.11 no longer casts pointer arguments
* No longer remove return values
* Require to not change the return type
* Don't change macros having multiple return types
* Elaborate the Abstract
* Add "Misnesting" example
* The return value has already been removed in the public C API macros
* Clarify that converting Py_TYPE() macro was an incompatible change
* Don't convert l-value macros
* Add "Examples of duplication of side effects" section
* Remove the gcc -O0 versus gcc -Og benchmark: it's not relevent for
this PEP.