From 925d2a169389dd86b165e231aeddac8adb7a54ee Mon Sep 17 00:00:00 2001
From: david <david@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Mon, 28 Sep 2009 20:19:30 +0000
Subject: [PATCH] Make the port and proto attributes optional on the trace
 element in nmap.dtd. With a protocol trace or an ICMP trace, there's no port
 number.

---
 docs/nmap.dtd | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/nmap.dtd b/docs/nmap.dtd
index 5c97bd9a8..6c743d41b 100644
--- a/docs/nmap.dtd
+++ b/docs/nmap.dtd
@@ -289,8 +289,8 @@
 
 <!ELEMENT trace (hop*, error?) >
 <!ATTLIST trace
-      proto   CDATA   #REQUIRED
-      port    CDATA   #REQUIRED
+      proto   CDATA   #IMPLIED
+      port    CDATA   #IMPLIED
 >
 
 <!ELEMENT hop EMPTY>