All HTMLAreas in the post are controlled by the parent CS settings. Fixes bug #11827.

docs/changelog/7.x.x.txt

@@ -10,6 +10,7 @@
  - fixed: Attachment label in the Template is missing
  - fixed #11810: Attachment list broken in template
  - fixed #11814: upgrade script removes cache too aggresively (Ernesto Hernández-Novich)
+ - fixed #11827: CS rich edit bug
 
 7.9.13
  - fixed #11783: Instances deleted during realtime run

lib/WebGUI/Asset/Post.pm

@@ -1679,8 +1679,12 @@ sub www_edit {
 			});
 		$var{'userDefined'.$x.'.form.htmlarea'} 
             = WebGUI::Form::HTMLArea($session, {
-			    name    => "userDefined".$x,
-			    value   => $userDefinedValue,
+			    name       =>  "userDefined".$x,
+			    value      =>  $userDefinedValue,
+                richEditId => ($self->isa("WebGUI::Asset::Post::Thread")
+                               ? $self->getThread->getParent->get("richEditor")
+                               : $self->getThread->getParent->get("replyRichEditor")
+                              ),
 			});
 		$var{'userDefined'.$x.'.form.float'} 
             = WebGUI::Form::Float($session, {