Added missing grammar section for nack

Rob Harrop · Rob Harrop · commit 6533a90425e0 · 2011-01-14T11:51:17.000Z
diff --git a/docs/specs/amqp0-9-1.xml b/docs/specs/amqp0-9-1.xml
@@ -1971,6 +1971,7 @@
                           / C:GET ( S:GET-OK content / S:GET-EMPTY )
                           / C:ACK
                           / C:REJECT
+                          / C:NACK
                           / C:RECOVER-ASYNC
                           / C:RECOVER S:RECOVER-OK
     </doc>
