add documentation stubs

source/Ox.UI/js/Core/Ox.Focus.js

@@ -1,5 +1,5 @@
-// vim: et:ts=4:sw=4:sts=4:ft=javascript
 'use strict';
+
 /*@
 Ox.Focus <o> Basic focus handler
 @*/
@@ -64,6 +64,10 @@ Ox.Focus = (function() {
         focused: function() {
             return stack.length ? stack[stack.length - 1] : null;
         },
+        /*@
+        remove <f> remove
+            (id) -> <u>
+        @*/
         remove: function(id) {
             var index = stack.indexOf(id);
             index > -1 && stack.splice(index, 1);