-'SpecialRecentChangesFilters': DEPRECATED since 1.23! Use
-ChangesListSpecialPageStructuredFilters instead.
-Called after building form options at RecentChanges.
-$special: the special page object
-&$filters: associative array of filter definitions. The keys are the HTML
- name/URL parameters. Each key maps to an associative array with a 'msg'
- (message key) and a 'default' value.
-