This extension hook has no documentation on MediaWiki.org. Please improve MediaWiki by adding documentation to it. See Template:ExtensionHook for instructions on how to do it.

For examples of extensions using this hook, see Category:LiquidThreadsShowThreadHeading extensions . Category:Extension hooks#LiquidThreadsShowThreadHeading Category:Undocumented extension hooks#LiquidThreadsShowThreadHeading Category:Extension hooks provided by LiquidThreads Category:Extension hooks#LiquidThreadsShowThreadHeading Category:Undocumented extension hooks#LiquidThreadsShowThreadHeading Category:Extension hooks provided by LiquidThreads