&$hookErr: Out-param for the error. Passed as the parameters to
OutputPage::showErrorPage.
+'EnhancedChangesList::getLogText': to alter, remove or add to the links of a
+group of changes in EnhancedChangesList.
+$changesList: EnhancedChangesList object
+&$links: The links that were generated by EnhancedChangesList
+$block: The RecentChanges objects in that block
+
'ExemptFromAccountCreationThrottle': Exemption from the account creation
throttle.
$ip: The ip address of the user