noun_type_twitter_user.patch

diff --git a/ubiquity/feed-parts/header/en/nountypes.js b/ubiquity/feed-parts/header/en/nountypes.js
--- a/ubiquity/feed-parts/header/en/nountypes.js
+++ b/ubiquity/feed-parts/header/en/nountypes.js
@@ -711,17 +711,19 @@ var noun_type_commands = {
       }
       return cmds;
    }
 }
 
 var noun_type_twitter_user = {
    _name: "twitter username",
    rankLast: true,
-   suggest: function(text, html){
+   suggest: function(text, html, cb, selected){
+     if(selected) return [];
+     
      // Twitter usernames can't contain spaces; reject input with spaces.
      if (text.length && text.indexOf(" ") != -1)
        return [];
 
      var suggs = [];
 
      // If we don't need to ask the user for their master password, let's
      // see if we can suggest known users that the user has logged-in as