right?" check is used to avoid more expensive checks.
* Display "(No difference)" instead of an empty diff (when comparing revisions
in the history or when previewing changes while editing).
+* New hook 'IsUploadAllowedFromUrl' is added which can be used to intercept uploads by
+ URL, useful for blacklisting specific URLs
=== Bug fixes in 1.22 ===
* Disable Special:PasswordReset when $wgEnableEmail is false. Previously one