make completion lexing slightly more reliable
make completion lexing slightly more reliable

gibiansky/IHaskell,FranklinChen/IHaskell,franklx/IHaskell,wyager/IHaskell,artuuge/IHaskell,sumitsahrawat/IHaskell,FranklinChen/IHaskell,wyager/IHaskell,wyager/IHaskell,sumitsahrawat/IHaskell,artuuge/IHaskell,beni55/IHaskell,kfiz/IHaskell,qzchenwl/IHaskell,artuuge/IHaskell,qzchenwl/IHaskell,thomasjm/IHaskell,kfiz/IHaskell,wyager/IHaskell,franklx/IHaskell,kfiz/IHaskell,franklx/IHaskell,qzchenwl/IHaskell,qzchenwl/IHaskell,aostiles/LiveHaskell,kfiz/IHaskell,aostiles/LiveHaskell,sumitsahrawat/IHaskell,thomasjm/IHaskell,FranklinChen/IHaskell,thomasjm/IHaskell,gibiansky/IHaskell,beni55/IHaskell,gibiansky/IHaskell,franklx/IHaskell,artuuge/IHaskell,beni55/IHaskell,thomasjm/IHaskell,FranklinChen/IHaskell,aostiles/LiveHaskell,beni55/IHaskell