diff --git a/parser.leg b/parser.leg
index 96d0b8e..75bc921 100644
--- a/parser.leg
+++ b/parser.leg
@@ -610,7 +610,6 @@ Source  = ( '<' < SourceContents > '>' | < SourceContents > )
           { $$ = p.mkString(yytext) }
 
 SourceContents = ( ( !'(' !')' !'>' Nonspacechar )+ | '(' SourceContents ')')*
-                 | ""
 
 Title = ( TitleSingle | TitleDouble | < "" > )
         { $$ = p.mkString(yytext) }
diff --git a/portid b/portid
index 0f11735..5381652 100644
--- a/portid
+++ b/portid
@@ -1 +1 @@
-196
+197