Mark ParserOutput of MessageContent as varying by userlanguage

Hopefully this will stop cache pollution when a MessageContent
ends up in parser cache. MessageContent objects just do
wfMessage()->parse(), which uses user language.

Bug: 41065
Change-Id: I75e8256a61b828cb9fc93227eb517a34ac6b9d15

diff --git a/includes/content/MessageContent.php b/includes/content/MessageContent.php
index edbd075..2240669 100644 (file)
--- a/includes/content/MessageContent.php
+++ b/includes/content/MessageContent.php
@@ -165,6 +165,8 @@ class MessageContent extends AbstractContent {
                }
 
                $po = new ParserOutput( $html );
+               // Message objects are in the user language.
+               $po->recordOption( 'userlang' );
 
                return $po;
        }