au BufNewFile,BufRead {.,}z{profile,logout,login,shrc,shenv} set filetype=zsh
au BufNewFile,BufRead *.scheme set filetype=scheme
+au BufNewFile,BufRead *.cls set filetype=tex
au BufNewFile,BufRead *.sig set filetype=sml
au BufNewFile,BufRead *.cabal set filetype=cabal
au BufNewFile,BufRead *.h set filetype=c