diff --git a/doc/ats.txt b/doc/ats.txt
index 0a22d75..3a45e1e 100644
--- a/doc/ats.txt
+++ b/doc/ats.txt
@@ -20,13 +20,22 @@ By default, ats-vim provides one command, viz.
 Section 2: Config                                          *ATSConfig*
 
 ----------------------------------------------------------------------
-                                                  *'g:ats_autoformat'*
+                                                   *'g:ats_use_ctags'*
+
 Values: 0, 1
 Default: 0
 
+When set to 1, ctags will be called on each file write to index the
+current project. >
+    let g:ats_use_ctags=1
+<
+
+                                                  *'g:ats_autoformat'*
+Values: 0, 1
+
 When set to 1, the current buffer will be formatted every time it is
 written to. >
-    let g:ats_autoformat='1'
+    let g:ats_autoformat=0
 <
 
                                                             *ClearATS*
diff --git a/ftplugin/ats.vim b/ftplugin/ats.vim
index ca69f83..9fbb5c9 100644
--- a/ftplugin/ats.vim
+++ b/ftplugin/ats.vim
@@ -3,6 +3,10 @@ if exists('b:ats_ftplugin')
 endif
 let b:ats_ftplugin = 1
 
+if !exists('g:ats_use_ctags')
+    let g:ats_use_ctags = 0
+endif
+
 " set config values
 if !exists('g:ats_autoformat')
     if executable('atsfmt') == 1
@@ -32,15 +36,24 @@ function! AtsFormat()
     call setpos('.', cursor)
 endfunction
 
+augroup ats
+    autocmd BufWritePost *.ats,*.dats,*.sats,*.cats silent !rm -f a.out
+augroup END
+
+if g:ats_use_ctags == 1
+    augroup ats
+        autocmd BufWritePost *.dats,*.cats,*.sats,*.hats silent !ctags -R .
+    augroup END
+endif
+
 " format on write
 if g:ats_autoformat == 1
     augroup ats
-            autocmd BufWritePost *.ats,*.dats,*.sats,*.cats call AtsFormat()
+        autocmd BufWritePost *.ats,*.dats,*.sats,*.cats call AtsFormat()
     augroup END
 endif
 
 " commands
 command -nargs=0 Format call AtsFormat()
-command -nargs=0 Check SyntasticCheck patscc
 
 map <Plug>Clear :SyntasticReset<CR>
diff --git a/syntax_checkers/ats/patscc.vim b/syntax_checkers/ats/patscc.vim
index 2a125b0..523571d 100644
--- a/syntax_checkers/ats/patscc.vim
+++ b/syntax_checkers/ats/patscc.vim
@@ -13,7 +13,7 @@ function! SyntaxCheckers_ats_patscc_GetLocList() dict
 
     let errorformat =
         \ 'exit(ATS):%m,' .
-        \ '%f:%m'
+        \ '%f:\ %\d%#(line=%l\,\ offs=%c) --%m'
 
     let loclist = SyntasticMake({ 
             \ 'makeprg': makeprg,