diff --git a/mozilla/string/public/nsSlidingString.h b/mozilla/string/public/nsSlidingString.h
index 2519c4bcf48..fd821d9d923 100755
--- a/mozilla/string/public/nsSlidingString.h
+++ b/mozilla/string/public/nsSlidingString.h
@@ -114,7 +114,12 @@ class nsSlidingString
   };
 
 
+#if 0
+  // this (or something similar) is what should appear in the parser, I think
+#include "nsSlidingString.h"
+
 typedef nsSlidingString     nsParserString;
-typedef nsSlidingSubstring  nsParserSubstring;
+typedef nsSlidingSubstring  nsParserToken;
+#endif
 
 #endif // !defined(nsSlidingString_h___)
diff --git a/mozilla/xpcom/ds/nsSlidingString.h b/mozilla/xpcom/ds/nsSlidingString.h
index 2519c4bcf48..fd821d9d923 100755
--- a/mozilla/xpcom/ds/nsSlidingString.h
+++ b/mozilla/xpcom/ds/nsSlidingString.h
@@ -114,7 +114,12 @@ class nsSlidingString
   };
 
 
+#if 0
+  // this (or something similar) is what should appear in the parser, I think
+#include "nsSlidingString.h"
+
 typedef nsSlidingString     nsParserString;
-typedef nsSlidingSubstring  nsParserSubstring;
+typedef nsSlidingSubstring  nsParserToken;
+#endif
 
 #endif // !defined(nsSlidingString_h___)
diff --git a/mozilla/xpcom/string/public/nsSlidingString.h b/mozilla/xpcom/string/public/nsSlidingString.h
index 2519c4bcf48..fd821d9d923 100755
--- a/mozilla/xpcom/string/public/nsSlidingString.h
+++ b/mozilla/xpcom/string/public/nsSlidingString.h
@@ -114,7 +114,12 @@ class nsSlidingString
   };
 
 
+#if 0
+  // this (or something similar) is what should appear in the parser, I think
+#include "nsSlidingString.h"
+
 typedef nsSlidingString     nsParserString;
-typedef nsSlidingSubstring  nsParserSubstring;
+typedef nsSlidingSubstring  nsParserToken;
+#endif
 
 #endif // !defined(nsSlidingString_h___)