Minor cleanup.

autoload/syntastic/log.vim

@@ -68,7 +68,7 @@ function! syntastic#log#debug(level, msg, ...) abort " {{{2
     let leader = s:_log_timestamp()
     call s:_logRedirect(1)
 
-    if a:0 > 0
+    if a:0
         " filter out dictionary functions
         echomsg leader . a:msg . ' ' .
             \ strtrans(string(type(a:1) == type({}) || type(a:1) == type([]) ?

autoload/syntastic/util.vim

@@ -132,7 +132,7 @@ endfunction " }}}2
 
 " Get the value of a Vim variable.  Allow buffer variables to override global ones.
 function! syntastic#util#bufRawVar(buf, name, ...) abort " {{{2
-    return s:_getbufvar(a:buf, a:name, get(g:, a:name, a:0 > 0 ? a:1 : ''))
+    return s:_getbufvar(a:buf, a:name, get(g:, a:name, a:0 ? a:1 : ''))
 endfunction "}}}2
 
 " Get the value of a syntastic variable.  Allow buffer variables to override global ones.
@@ -142,7 +142,7 @@ endfunction "}}}2
 
 " Get the value of a Vim variable.  Allow local variables to override global ones.
 function! syntastic#util#rawVar(name, ...) abort " {{{2
-    return get(b:, a:name, get(g:, a:name, a:0 > 0 ? a:1 : ''))
+    return get(b:, a:name, get(g:, a:name, a:0 ? a:1 : ''))
 endfunction " }}}2
 
 " Get the value of a syntastic variable.  Allow local variables to override global ones.
@@ -588,7 +588,7 @@ lockvar s:_float2str
 
 function! s:_getbufvar_dumb(buf, name, ...) abort " {{{2
     let ret = getbufvar(a:buf, a:name)
-    if a:0 > 0 && ret ==# ''
+    if a:0 && ret ==# ''
         unlet! ret
         let ret = a:1
     endif

plugin/syntastic.vim

@@ -19,7 +19,7 @@ if has('reltime')
     lockvar! g:_SYNTASTIC_START
 endif
 
-let g:_SYNTASTIC_VERSION = '3.7.0-227'
+let g:_SYNTASTIC_VERSION = '3.7.0-228'
 lockvar g:_SYNTASTIC_VERSION
 
 " Sanity checks {{{1

plugin/syntastic/checker.vim

@@ -68,10 +68,15 @@ endfunction " }}}2
 " getExec() or getExecEscaped().  Normally isAvailable() does that for you
 " automatically, but you should keep still this in mind if you change the
 " current checker workflow.
-function! g:SyntasticChecker.syncExec() abort " {{{2
-    let suffix = self._name . '_exec'
-    let user_exec = expand( syntastic#util#var(self._filetype . '_' . suffix, syntastic#util#var(suffix)), 1 )
-    let self._exec = user_exec !=# '' ? user_exec : self._exec_default
+function! g:SyntasticChecker.syncExec(...) abort " {{{2
+    if a:0
+        let self._exec = a:1
+    else
+        let suffix = self._name . '_exec'
+        let self._exec = expand(
+            \ syntastic#util#var(self._filetype . '_' . suffix,
+            \ syntastic#util#var(suffix, self._exec_default)), 1 )
+    endif
 endfunction " }}}2
 
 function! g:SyntasticChecker.getExec() abort " {{{2
@@ -157,7 +162,7 @@ endfunction " }}}2
 
 function! g:SyntasticChecker.log(msg, ...) abort " {{{2
     let leader = self._filetype . '/' . self._name . ': '
-    if a:0 > 0
+    if a:0
         call syntastic#log#debug(g:_SYNTASTIC_DEBUG_CHECKERS, leader . a:msg, a:1)
     else
         call syntastic#log#debug(g:_SYNTASTIC_DEBUG_CHECKERS, leader . a:msg)

plugin/syntastic/loclist.vim

@@ -28,7 +28,7 @@ function! g:SyntasticLoclist.New(rawLoclist) abort " {{{2
 endfunction " }}}2
 
 function! g:SyntasticLoclist.current(...) abort " {{{2
-    let buf = a:0 > 1 ? a:1 : bufnr('')
+    let buf = a:0 ? a:1 : bufnr('')
     let loclist = syntastic#util#getbufvar(buf, 'syntastic_loclist', {})
     if type(loclist) != type({}) || empty(loclist)
         unlet! loclist