Cleanup the dtd namespace

diff --git a/docbook/relaxng/tools/cleanup.pl b/docbook/relaxng/tools/cleanup.pl
index 7c49228354451e06d98e7f4079a7307ffd000947..18131e04264eecf7fca6391695efde9123ad97cf 100644 (file)
--- a/docbook/relaxng/tools/cleanup.pl
+++ b/docbook/relaxng/tools/cleanup.pl
@@ -21,7 +21,10 @@ while (<>) {
     s/\s+xmlns:xlink=([\"\']).*?\1\s+/ /g;
     s/\s*xmlns:xlink=([\"\']).*?\1\s*//g;
 
-    s/<grammar /<grammar xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" /g;
+    s/\s+xmlns:dtd=([\"\']).*?\1\s+/ /g;
+    s/\s*xmlns:dtd=([\"\']).*?\1\s*//g;
+
+    s/<grammar /<grammar xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xmlns:dtd=\"http:\/\/relaxng.org\/ns\/compatibility\/annotations\/1.0\" /g;
 
     s/<(s:rule\s+.*?)>/<\1 xmlns:s=\"http:\/\/www.ascc.net\/xml\/schematron\">/g;
     s/<(ctrl:\S+\s+.*?)(\/?>)/<\1 xmlns:ctrl=\"http:\/\/nwalsh.com\/xmlns\/schema-control\/\"\2/g;