Wording and formatting.
Wording and formatting.

- Change the rule that differently spelled constrained type
  specifiers yield different template parameters.
Wording.
Wording.
Update wording in 14.

- Be more specific about equivalent declarations. In particular
  define them in terms of the "canonical declaration".
Wording.

- Also removed alias section because it was redundant.
Update wording of constraints.
Wording.
Minor grammar fixes.
Regenerate docs.