When I compile frown with the brand-new 1.10 I get ... LR/Frown> hmake -nhc98 -98 -ILib -PLib Main.lhs WARNING: hmake built with hbc-0.9999.5b gets timestamps wrong. nhc98 -98 -ILib -PLib -c -o Lib/Prettier.o Lib/Prettier.lhs nhc98 -98 -ILib -PLib -c -o Atom.o Atom.lhs nhc98 -98 -ILib -PLib -c -o Base.o Base.lhs nhc98 -98 -ILib -PLib -c -o Lib/GetOpt.o Lib/GetOpt.lhs nhc98 -98 -ILib -PLib -c -o Options.o Options.lhs nhc98 -98 -ILib -PLib -c -o Lexer2.o Lexer2.lhs nhc98 -98 -ILib -PLib -c -o Haskell.o Haskell.lhs nhc98 -98 -ILib -PLib -c -o Grammar.o Grammar.lhs nhc98 -98 -ILib -PLib -c -o GParser2.o GParser2.hs /home/ralf/Lang//lib/nhc98/ix86-Linux/nhc98comp: Error: No match in _dropJust I can send you the bundle if you want me to. Cheers, Ralf