&$sectionContent: ref to the content of the section. modify this.
$showEditLinks: boolean describing whether this section has an edit link
+'ParserCacheSaveComplete': Called after a ParserOutput has been committed to
+the parser cache.
+$parserCache: ParserCache object $parserOutput was stored in
+$parserOutput: ParserOutput object that was stored
+$title: Title of the page that was parsed to generate $parserOutput
+$popts: ParserOptions used for generating $parserOutput
+$revId: ID of the revision that was parsed to create $parserOutput
+
'ParserTestParser': Called when creating a new instance of Parser in
tests/parser/parserTest.inc.
$parser: Parser object created