Use ftdetect/ and ftplugin/ directories

ftdetect/tidal.vim

@@ -0,0 +1 @@
+autocmd BufRead,BufNewFile *.tidal setfiletype haskell.tidal

ftplugin/tidal.vim

@@ -2,8 +2,21 @@ function! _EscapeText_haskell_tidal(text)
     let l:text  = Remove_block_comments(a:text)
     let l:lines = Lines(Tab_to_spaces(l:text))
     let l:lines = Remove_line_comments(l:lines)
-    "let l:lines = Perhaps_prepend_let(l:lines)
-    "let l:lines = Indent_lines(l:lines)
     let l:lines = Wrap_if_multi(l:lines)
     return Unlines(l:lines)
 endfunction
+
+
+xmap <buffer> <localleader>s  <Plug>SlimeRegionSend
+nmap <buffer> <localleader>s  <Plug>SlimeLineSend
+nmap <buffer> <localleader>ss <Plug>SlimeParagraphSend
+
+" *hush* zzz...
+nmap <buffer> <localleader>zz :<c-u>SlimeSend1 hush<cr>
+
+" silence binding for each channel
+let c = 1
+while c <= 9
+  execute 'nmap <buffer> <localleader>z'.c.' :<c-u>SlimeSend1 d'.c.' silence<cr>'
+  let c += 1
+endwhile

plugin/tidal.vim

@@ -1,21 +1,5 @@
-autocmd BufRead,BufNewFile *.tidal setfiletype haskell.tidal
-
+" vim-slime global options
 let g:slime_target="tmux"
 let g:slime_paste_file=tempname()
 let g:slime_default_config={"socket_name": "default", "target_pane": "tidal:0.1"}
-
 let g:slime_no_mappings=1
-
-autocmd FileType haskell.tidal xmap <buffer> <localleader>s  <Plug>SlimeRegionSend
-autocmd FileType haskell.tidal nmap <buffer> <localleader>s  <Plug>SlimeLineSend
-autocmd FileType haskell.tidal nmap <buffer> <localleader>ss <Plug>SlimeParagraphSend
-
-" *hush* zzz...
-autocmd FileType haskell.tidal nmap <buffer> <localleader>zz :<c-u>SlimeSend1 hush<cr>
-
-" silence binding for each channel
-let c = 1
-while c <= 9
-  execute 'autocmd FileType haskell.tidal nmap <buffer> <localleader>'.c.' :<c-u>SlimeSend1 d'.c.' silence<cr>'
-  let c += 1
-endwhile