diff --git a/autoload/syntastic/postprocess.vim b/autoload/syntastic/postprocess.vim
index 0c4e12c2..65e98573 100644
--- a/autoload/syntastic/postprocess.vim
+++ b/autoload/syntastic/postprocess.vim
@@ -29,6 +29,7 @@ function syntastic#postprocess#compressWhitespace(errors)
     let llist = []
 
     for e in a:errors
+        let e['text'] = substitute(e['text'], "\001", '', 'g')
         let e['text'] = substitute(e['text'], '\n', ' ', 'g')
         let e['text'] = substitute(e['text'], '\s\{2,}', ' ', 'g')
         call add(llist, e)
diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index 9c92e117..fb788a3b 100644
--- a/plugin/syntastic.vim
+++ b/plugin/syntastic.vim
@@ -64,6 +64,12 @@ if !exists("g:syntastic_full_redraws")
     let g:syntastic_full_redraws = !( has('gui_running') || has('gui_macvim'))
 endif
 
+" TODO: not documented
+if !exists("g:syntastic_reuse_loc_lists")
+    " a relevant bug has been fixed in one of the pre-releases of Vim 7.4
+    let g:syntastic_reuse_loc_lists = (v:version >= 704)
+endif
+
 let s:registry = g:SyntasticRegistry.Instance()
 let s:notifiers = g:SyntasticNotifiers.Instance()
 let s:modemap = g:SyntasticModeMap.Instance()
@@ -145,8 +151,10 @@ function! s:UpdateErrors(auto_invoked, ...)
 
     let loclist = g:SyntasticLoclist.current()
 
+    let w:syntastic_loclist_set = 0
     if g:syntastic_always_populate_loc_list || g:syntastic_auto_jump
         call setloclist(0, loclist.filteredRaw())
+        let w:syntastic_loclist_set = 1
         if run_checks && g:syntastic_auto_jump && loclist.hasErrorsOrWarningsToDisplay()
             silent! lrewind
         endif
@@ -356,7 +364,6 @@ endfunction
 function! SyntasticMake(options)
     call syntastic#util#debug('SyntasticMake: called with options: '. string(a:options))
 
-    let old_loclist = getloclist(0)
     let old_shell = &shell
     let old_shellredir = &shellredir
     let old_errorformat = &errorformat
@@ -390,13 +397,13 @@ function! SyntasticMake(options)
     endif
     lgetexpr err_lines
 
-    let errors = getloclist(0)
+    let errors = copy(getloclist(0))
 
     if has_key(a:options, 'cwd')
         exec 'lcd ' . fnameescape(old_cwd)
     endif
 
-    call setloclist(0, old_loclist)
+    silent! lolder
     let &errorformat = old_errorformat
     let &shellredir = old_shellredir
     let &shell=old_shell
diff --git a/plugin/syntastic/loclist.vim b/plugin/syntastic/loclist.vim
index d5cd6e39..104470dc 100644
--- a/plugin/syntastic/loclist.vim
+++ b/plugin/syntastic/loclist.vim
@@ -143,7 +143,12 @@ endfunction
 
 "display the cached errors for this buf in the location list
 function! g:SyntasticLoclist.show()
-    call setloclist(0, self.filteredRaw())
+    if !exists('w:syntastic_loclist_set')
+        let w:syntastic_loclist_set = 0
+    endif
+    call setloclist(0, self.filteredRaw(), g:syntastic_reuse_loc_lists && w:syntastic_loclist_set ? 'r' : ' ')
+    let w:syntastic_loclist_set = 1
+
     if self.hasErrorsOrWarningsToDisplay()
         let num = winnr()
         exec "lopen " . g:syntastic_loc_list_height
diff --git a/syntax_checkers/coffee/coffeelint.vim b/syntax_checkers/coffee/coffeelint.vim
index 4b59a8c2..2099359c 100644
--- a/syntax_checkers/coffee/coffeelint.vim
+++ b/syntax_checkers/coffee/coffeelint.vim
@@ -26,9 +26,9 @@ function! SyntaxCheckers_coffee_coffeelint_GetLocList()
         \ 'subchecker': 'coffeelint' })
 
     let errorformat =
-        \ '%f\,%l\,%\d%\+\,%trror\,%m,' .
+        \ '%f\,%l\,%\d%#\,%trror\,%m,' .
         \ '%f\,%l\,%trror\,%m,' .
-        \ '%f\,%l\,%\d%\+\,%tarn\,%m,' .
+        \ '%f\,%l\,%\d%#\,%tarn\,%m,' .
         \ '%f\,%l\,%tarn\,%m'
 
     return SyntasticMake({
diff --git a/syntax_checkers/haskell/ghc-mod.vim b/syntax_checkers/haskell/ghc-mod.vim
index f3677dc1..3dcc6e7e 100644
--- a/syntax_checkers/haskell/ghc-mod.vim
+++ b/syntax_checkers/haskell/ghc-mod.vim
@@ -10,16 +10,21 @@
 "
 "============================================================================
 
-if exists("g:loaded_syntastic_haskell_ghc_mod_checker")
+if exists('g:loaded_syntastic_haskell_ghc_mod_checker')
     finish
 endif
-let g:loaded_syntastic_haskell_ghc_mod_checker=1
+let g:loaded_syntastic_haskell_ghc_mod_checker = 1
 
 function! SyntaxCheckers_haskell_ghc_mod_IsAvailable()
     return executable('ghc-mod')
 endfunction
 
 function! SyntaxCheckers_haskell_ghc_mod_GetLocList()
+    let makeprg = syntastic#makeprg#build({
+        \ 'exe': 'ghc-mod check',
+        \ 'filetype': 'haskell',
+        \ 'subchecker': 'ghc_mod' })
+
     let errorformat =
         \ '%-G%\s%#,' .
         \ '%f:%l:%c:%trror: %m,' .
@@ -30,16 +35,10 @@ function! SyntaxCheckers_haskell_ghc_mod_GetLocList()
         \ '%E%f:%l:%c:,' .
         \ '%Z%m'
 
-    let makeprg = syntastic#makeprg#build({
-        \ 'exe': 'ghc-mod check',
-        \ 'filetype': 'haskell',
-        \ 'subchecker': 'ghc_mod' })
-
-    let loclist = SyntasticMake({
+    return SyntasticMake({
         \ 'makeprg': makeprg,
-        \ 'errorformat': errorformat })
-
-    return loclist
+        \ 'errorformat': errorformat,
+        \ 'postprocess': ['compressWhitespace'] })
 endfunction
 
 call g:SyntasticRegistry.CreateAndRegisterChecker({
diff --git a/syntax_checkers/haskell/hlint.vim b/syntax_checkers/haskell/hlint.vim
index c748b77c..f9f0fcd4 100644
--- a/syntax_checkers/haskell/hlint.vim
+++ b/syntax_checkers/haskell/hlint.vim
@@ -5,32 +5,30 @@
 "License:     BSD
 "============================================================================
 
-if exists("g:loaded_syntastic_haskell_hlint_checker")
+if exists('g:loaded_syntastic_haskell_hlint_checker')
     finish
 endif
-let g:loaded_syntastic_haskell_hlint_checker=1
+let g:loaded_syntastic_haskell_hlint_checker = 1
 
 function! SyntaxCheckers_haskell_hlint_IsAvailable()
     return executable('hlint')
 endfunction
 
 function! SyntaxCheckers_haskell_hlint_GetLocList()
-    let errorformat =
-        \ '%E%f:%l:%c: Error: %m,' .
-        \ '%W%f:%l:%c: Warning: %m,' .
-        \ '%C%m'
-
     let makeprg = syntastic#makeprg#build({
         \ 'exe': 'hlint',
         \ 'filetype': 'haskell',
         \ 'subchecker': 'hlint' })
 
-    let loclist = SyntasticMake({
+    let errorformat =
+        \ '%E%f:%l:%c: Error: %m,' .
+        \ '%W%f:%l:%c: Warning: %m,' .
+        \ '%C%m'
+
+    return SyntasticMake({
         \ 'makeprg': makeprg,
         \ 'errorformat': errorformat,
         \ 'postprocess': ['compressWhitespace'] })
-
-    return loclist
 endfunction
 
 call g:SyntasticRegistry.CreateAndRegisterChecker({