Change precedence of `+` in type grammar
Tweak table.
Tweak grammar to include lifetimes, add ellipsis to indicate I almost
certainly forgot something.
Disallow type/lifetime parameter shadowing.
RFC: cmp and ops reform
Clarifications
Fix typo
Fix typo
RFC: extension trait conventions
Fix various discrepancies in grammar
RFC: Un-feature-gate if let and tuple indexing
Minor typos
RFC: Add a thread local storage module, std::tls

Introduce a new thread local storage module to the standard library, `std::tls`,
providing:

* Scoped TLS, a non-owning variant of TLS for any value.
* Owning TLS, an owning, dynamically initialized, dynamically destructed
  variant, similar to `std::local_data` today.
Remove an outdated drawback
Tweak the API of owning TLS
Add #463 to the active list
RFC: Finalizing more naming conventions
Merge naming conventions 430
Correct details of consts, ctors, and snake case acronyms
430 frontmatter