Don't regenerate hints after following unique filtered hint, please.

common/content/hints.js

@@ -550,6 +550,10 @@ var Hints = Module("hints", {
                 this.timeout(next, 50);
         }).call(this);
 
+        modes.pop();
+        if (timeout)
+            modes.push(modes.IGNORE, modes.HINTS);
+
         this.timeout(function () {
             if ((modes.extended & modes.HINTS) && !this._continue)
                 modes.pop();

common/content/modes.js

@@ -150,6 +150,9 @@ var Modes = Module("modes", {
             description: "Active when a prompt is open in the command line",
             input: true
         });
+        this.addMode("IGNORE", { hidden: true }, {
+            onEvent: function (event) false
+        });
 
         this.push(this.NORMAL, 0, {
             enter: function (stack, prev) {