RFC: Add byte and byte string literals
(Byte literals RFC) Fix lack of Markdown magic

Apparently, GitHub’s auto-linking does not apply when rendering in-repo Markdown files.
(Byte literals RFC) Raw string prefix precedent
RFC: pattern expansion in macros
Fixed an implementation bug
Note rustdoc limitation
RFC: Generalize #[macro_registrar] to #[plugin_registrar]
Add a note about phase(plugin)
Update PR numbers on RFC 20
Mark RFC 2 as complete
Lexical syntax simplification
Merge remote-tracking branch 'cmr/lexical-syntax'
Fill in PR #s for RFC 21
RFC 20 is completed
RFC 19 is completed
Update plugin RFC for current design
Add notes about the old #[macro_registrar]
Merge remote-tracking branch 'kmc/plugin'
RFC 20 is #[plugin_registrar]
Merge remote-tracking branch 'SimonSapin/ascii-literals'