Initial submission.
Clarify that negative impls do not require the use of unsafe keyword.
Remove first-person language; cleanup typo
RFC to require `impl MyStruct` to be in the same module as the definition of `MyStruct`

This fixes #15060 and #3785.
Add RFC to feature gate some slice patterns
RFC: tuple accessors
Fix indexing example to be zero-based
Improve semantics explanation
More sensible ‘Alternatives’ section

Indexing of tuples makes no sense because not all tuples are homogenous.
Minor style & formatting fixes
Incorporate description of `Copy` and `Sized` into the RFC so that it stands alone
Describe how to phase this in for 1.0
RFC: associated items and multidispatch
Fix mistake in type inference characterization
Fix a few typos
RFC: Notation for slicing
Add rationale for .. notation
Amend RFC 48
RFC: Change syntax of subslice matching
Initial commit