1 files changed, 8 insertions, 3 deletions

diff --git a/linden/indra/llmath/llrect.h b/linden/indra/llmath/llrect.h
index 214d552..76b5a27 100644
--- a/linden/indra/llmath/llrect.h
+++ b/linden/indra/llmath/llrect.h
@@ -12,12 +12,12 @@
  * ("GPL"), unless you have obtained a separate licensing agreement
  * ("Other License"), formally executed by you and Linden Lab.  Terms of
  * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlife.com/developers/opensource/gplv2
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
  * 
  * There are special exceptions to the terms and conditions of the GPL as
  * it is applied to this Source Code. View the full text of the exception
  * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at http://secondlife.com/developers/opensource/flossexception
+ * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
  * 
  * By copying, modifying or distributing this software, you acknowledge
  * that you have read and understood your obligations described above,
@@ -215,7 +215,12 @@ public:
                 mLeft = llmin(mLeft, mRight);
                 mBottom = llmin(mBottom, mTop);
         }
-        
+
+        bool isNull() const
+        {
+                return mLeft == mRight || mBottom == mTop;
+        }
+
         void unionWith(const LLRectBase &other)
         {
                 mLeft = llmin(mLeft, other.mLeft);