build: run postprocess under the default locale
start translating 7.8.2
update release notes and ug-ent.xml
update bugs.xml
update codegens.xml
update debugging.xml
hackage.haskell.org/trac -> ghc.haskell.org/trac
update extending_ghc.xml
update external_core.xml
update ffi-chap.xml
&ndash; -> -