--- a/master/definitions.xml	Tue Jul 24 19:11:49 2012 +0200
+++ b/master/definitions.xml	Tue Jul 24 19:59:27 2012 +0200
@@ -1343,6 +1343,7 @@
   <property name='display' href='painting.html#VisibilityControl'/>
   <property name='visibility' href='painting.html#VisibilityControl'/>
   <property name='text-overflow' href='text.html#TextOverflowProcessing'/>
+  <property name='white-space' href='http://dev.w3.org/csswg/css3-text/#white-space'/>
 
   <!-- ... interfaces ..................................................... -->