$sp: SpecialPage object, for context
&$fields: Current HTMLForm fields descriptors
+'SpecialMuteSubmit': DEPRECATED since 1.34! Used only for instrumentation on SpecialMute
+$data: Array containing information about submitted options on SpecialMute form
+
'SpecialNewpagesConditions': Called when building sql query for
Special:NewPages.
&$special: NewPagesPager object (subclass of ReverseChronologicalPager)