Don't use "character" in haddocks of Char
Don't use "character" in haddocks of Char

Character is a terribly overloaded term and may refer to graphemes or
code points. Specifically say that Char represents Unicode code points.

[skip ci]

Test Plan: Read it.

Reviewers: hvr, austin

Subscribers: rwbarton, thomie

Differential Revision: https://phabricator.haskell.org/D4051

sdiehl/ghc,ezyang/ghc,ezyang/ghc,shlevy/ghc,ezyang/ghc,shlevy/ghc,ezyang/ghc,sdiehl/ghc,sdiehl/ghc,ezyang/ghc,shlevy/ghc,ezyang/ghc,shlevy/ghc,sdiehl/ghc,sdiehl/ghc,shlevy/ghc,shlevy/ghc,sdiehl/ghc,ezyang/ghc,shlevy/ghc,sdiehl/ghc