Adding TCP reference to intro
Julian's editorial review
Adding 's' liberally, where possible
tune references
Limiting, not eliminating vulnerabilities
Outline work
Moving terminology section up
Rewrite of first part of overview; flattening a little
Reindenting and reflowing text
Tweaks of header table and reference set descriptions
Reword the header field representations section
Header field emission work
s/except if/unless/
Merging completion into reference set emission
Fixes for header table management
Capitalize title
Moving primitives to the top level; reindenting and reflowing
Title change, plus an added reference
Updating representations
Editing encoding context update