Fix autocomplete bug. Total hack. No idea what I'm doing, but it works.

toolkit/components/autocomplete/src/nsAutoCompleteController.cpp

@@ -191,6 +191,12 @@ nsAutoCompleteController::HandleText()
   } else
     mBackspaced = PR_FALSE;
 
+  if (mRowCount == 0)
+    // XXX Handle the case where we have no results because of an ignored prefix. 
+    // This is just a hack. I have no idea what I'm doing. Hewitt, fix this the right
+    // way when you get a chance. -dwh
+    ClearResults();
+
   mSearchString = newValue;
 
   // Don't search if the value is empty

toolkit/jar.mn

@@ -39,6 +39,7 @@ toolkit.jar:
          content/global/widgets/tree.xml                    (content/widgets/tree.xml)
          content/global/widgets/wizard.xml                  (content/widgets/wizard.xml)
 *+       content/global/nsDragAndDrop.js                    (content/nsDragAndDrop.js)
+         
 en-US.jar:
 +        locale/en-US/global/charset.dtd                    (locale/charset.dtd)
 +        locale/en-US/global/finddialog.dtd                 (locale/finddialog.dtd)