Text.Read.Lex.lex broken
Prelude> lex "&) = mempty"
[("&",") = mempty")]
Prelude> lex "∘) = mempty"
[]I traced this problem to Text.Read.Lex.lex
Edited by Ben Gamari
Due to a large amount of spam we do not allow new users to create repositories, they are "external" users. If you are a new user and want to create a repository, for example for forking GHC, open a new issue on ghc/ghc using the "get-verified" issue template
Prelude> lex "&) = mempty"
[("&",") = mempty")]
Prelude> lex "∘) = mempty"
[]I traced this problem to Text.Read.Lex.lex