added a suggestion from andrew and boyscouting

plugins/c9.ide.editors/document.js

@@ -340,7 +340,7 @@ define(function(require, module, exports) {
                 set ready(v) {
                     if (ready) throw new Error("Permission Denied");
                     ready = true;
-                    emit.sticky("ready");
+                    emit.sticky("ready", { doc: plugin });
                 },
                 /**
                  * The tooltip displayed when hovering over the tab button