Rodrigo Mesquita authored Mar 16, 2022 and Marge Bot committed Mar 18, 2022

Rewrite the critical notes and fix outdated ones,

use `HsQuote GhcRn` (in `HsBracketTc`) for desugaring regardless of the
bracket being typed or untyped,

remove unused `EpAnn` from `Hs*Bracket GhcRn`,

zonkExpr factor out common brackets code,

ppr_expr factor out common brackets code,

and fix tests,

to finish MR ghc/ghc!4782.

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Metric Decrease:
    hard_hole_fits
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