Bug fix for dynamic completion after typing require('

(it shouldn't happen inside comments and strings)

autoload/xolox/lua.vim

@@ -1,9 +1,9 @@
 " Vim auto-load script
 " Author: Peter Odding <peter@peterodding.com>
-" Last Change: October 23, 2011
+" Last Change: November 15, 2011
 " URL: http://peterodding.com/code/vim/lua-ftplugin
 
-let g:xolox#lua#version = '0.6.25'
+let g:xolox#lua#version = '0.6.26'
 let s:miscdir = expand('<sfile>:p:h:h:h') . '/misc/lua-ftplugin'
 let s:omnicomplete_script = s:miscdir . '/omnicomplete.lua'
 let s:globals_script = s:miscdir . '/globals.lua'
@@ -410,12 +410,12 @@ function! xolox#lua#getomnivariables(modules) " {{{1
 endfunction
 
 function! xolox#lua#completedynamic(type) " {{{1
-  if xolox#misc#option#get('lua_complete_dynamic', 1)
+  if xolox#misc#option#get('lua_complete_dynamic', 1) && s:getsynid(1) !~? 'string\|comment\|keyword'
     if (a:type == "'" || a:type == '"') && xolox#misc#option#get('lua_complete_omni', 0)
-      if strpart(getline('.'), 0, col('.') - 1) =~ 'require[^''"]*$'
+      if strpart(getline('.'), 0, col('.') - 1) =~ 'require\s*(\?\s*$'
         return a:type . "\<C-x>\<C-o>"
       endif
-    elseif a:type == '.' && s:getsynid(1) !~? 'string\|comment\|keyword'
+    elseif a:type == '.'
       let column = col('.') - 1
       " Gotcha: even though '.' is remapped it counts as a column?
       if column && getline('.')[column - 1] =~ '\w'