--- /Users/denofevil/Code/sandbox/checker/syntax/relaxng/phrase.rnc	2014-01-24 12:18:24.000000000 +0400
+++ html5/phrase.rnc	2014-01-24 14:08:26.000000000 +0400
@@ -76,10 +76,6 @@
     attribute type {
       common.data.mimetype
     }
-  shared-hyperlink.attrs.ping =
-    attribute ping {
-      common.data.uris
-    } & v5only
 
 ## Emphatic Stress: <em>