The following hooks are not documented in hooks.txt based on a grep for 'wfRunHooks':

ParserTestParser, ArticleAfterFetchContent, ArticleEditUpdateNewTalk, ArticleEditUpdatesDeleteFromRecentchanges, ArticlePageDataAfter, ArticlePageDataBefore, ArticlePurge, ArticleShow, ArticleShowComplete, ArticleViewRedirect, DisplayOldSubtitle, EditPage::showEditForm:initial, FetchChangesList, GetBlockedStatus, IsFileCacheable, IsTrustedProxy, LanguageGetMagic, LanguageGetSpecialPageAliases, LoadAllMessages, LoadExtensionsSchemaUpdates, MagicWordMagicWords, MagicWordwgVariableIDs, MessagesPreLoad, OutputPageParserOutput, ParserAfterStrip, ParserBeforeInternalParse, ParserClearState, ParserGetVariableValueSwitch, ParserGetVariableValueTs, ParserGetVariableValueVarCache, PrefsEmailAudit, PrefsPasswordAudit, SkinTemplateBuildContentActionUrlsAfterSpecialPage, SkinTemplateBuildNavUrlsNav_urlsAfterPermalink, SkinTemplateContentActions, SkinTemplatePreventOtherActiveTabs, SkinTemplateSetupPageCss, SkinTemplateTabs, SpecialPageExecuteAfterPage, SpecialPageExecuteBeforeHeader, SpecialPageExecuteBeforePage, SpecialSearchNogomatch, SpecialVersionExtensionTypes, UndeleteShowRevision, UserClearNewTalkNotification, UserGetRights, UserRetrieveNewTalks, wgQueryPages, BeforePageDisplay, ArticleFromTitle

In addition, some hooks are not sorted alphabetically in hooks.txt but were instead just added to the end of the list. If hooks.txt is updated, please also add one line of documentation to this table: http://www.mediawiki.org/wiki/Manual:Hooks#Alphabetical_list_of_hooks

Version: 1.11.x
Severity: enhancement
URL: http://www.mediawiki.org/wiki/Manual:Hooks#Alphabetical_list_of_hooks