t/whitespace.t: Ignore doc dtds
@@ -10,6 +10,7 @@ BEGIN {
push(@exempted, glob("doc/*.xml"));
push(@exempted, glob("doc/*.full"));
push(@exempted, glob("doc/xml2rfc/*.xsl"));
+ push(@exempted, glob("doc/xml2rfc/*.dtd"));
push(@exempted, glob("m4/*backport*m4"));
push(@exempted, glob("*.orig"));
push(@exempted, glob(".*.swp"));
