Updated runtime files, language files and translations.
diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index 2688985..ebb87cd 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -1,4 +1,4 @@
-*quickref.txt* For Vim version 7.3. Last change: 2013 Apr 05
+*quickref.txt* For Vim version 7.3. Last change: 2013 May 20
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -824,6 +824,7 @@
'quoteescape' 'qe' escape characters used in a string
'readonly' 'ro' disallow writing the buffer
'redrawtime' 'rdt' timeout for 'hlsearch' and |:match| highlighting
+'regexpengine' 're' default regexp engine to use
'relativenumber' 'rnu' show relative line number in front of each line
'remap' allow mappings to work recursively
'report' threshold for reporting nr. of lines changed