Updated grouping_action document and associated images. A few tweaks to source files for doc purposes.

register_actions/resources/META-INF/plugin.xml

@@ -90,7 +90,7 @@
     </group>
     <!-- CustomDefaultActionGroup demonstrates declaring an action group based on a ActionGroup class supplied by this plugin.
       This group is to be inserted atop the Editor Popup Menu. It declares one action in the group. -->
-    <group id="org.jetbrains.tutorials.actions.CustomDefaultActionGroup" class="org.jetbrains.tutorials.actions.CustomDefaultActionGroup" popup="true"
+    <group id="org.jetbrains.tutorials.actions.ExampleCustomDefaultActionGroup" class="org.jetbrains.tutorials.actions.CustomDefaultActionGroup" popup="true"
            text="Example Custom DefaultActionGroup" description="Custom DefaultActionGroup Demo">
       <add-to-group group-id="EditorPopupMenu" anchor="first"/>
       <action class="org.jetbrains.tutorials.actions.SimplePopDialogAction" id="org.jetbrains.tutorials.actions.CustomGroupedAction"

register_actions/src/org/jetbrains/tutorials/actions/CustomDefaultActionGroup.java

@@ -29,7 +29,7 @@ public class CustomDefaultActionGroup extends DefaultActionGroup {
     // Enable/disable depending on whether user is editing
     Editor editor = event.getData(CommonDataKeys.EDITOR);
     event.getPresentation().setEnabled(editor != null);
-    // Always make visible, even when disabled. Helps to demonstrate the placement.
+    // Always make visible.
     event.getPresentation().setVisible(true);
     // Take this opportunity to set an icon for the menu entry.
     event.getPresentation().setIcon(AllIcons.General.Error);

register_actions/src/org/jetbrains/tutorials/actions/DynamicActionGroup.java

@@ -32,7 +32,7 @@ public class DynamicActionGroup extends ActionGroup {
   @Override
   public AnAction[] getChildren(AnActionEvent anActionEvent) {
     return new AnAction[]{ new SimplePopDialogAction("Action Added at Runtime",
-                                                "Dynamic Group Action Demo",
+                                                "Dynamic Action Demo",
                                                       null)
                           };
   }