Comment #1 on issue 365 by qzche...@gmail.com: Installing yi-0.6.4.0: Yi/Lexer/Abella.hs : Not in scop `alexGetByte`
http://code.google.com/p/yi-editor/issues/detail?id=365
This work for me $ cabal install 'alex < 3' $ cabal install yi -- Yi development mailing list yi-devel@googlegroups.com http://groups.google.com/group/yi-devel