* PEP 555, 653: Fix inline literal missing (escaped) space after literal
* Add newline at end of file
* PEP 692: Add newline at end of file
* PEP 633: Fix missing space before role
* Run sphinx-lint in pre-commit
* PEP 639: Remove rogue backticks
* PEP 372: Remove rogue backticks
* PEP 462: Add missing underscore after closing backtick in hyperlink
* PEP 481: Add missing underscore after closing backtick in hyperlinks
* PEP 507: Add missing underscore after closing backtick in hyperlinks
* PEP 453: Add missing underscore after closing backtick in hyperlinks, and convert to links
* PEP 534: Fix inline literal missing (escaped) space after literal
* PEP 372, 453, 462: Redirect BPO to GH
* 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
from where it's been sitting for a while. Update the text
for Py2.7 and Py3.1. Link to a new implementation that
sticks with the basic dict API and no new methods.