Last modified: 2012-10-25 17:06:51 UTC
http://zh.wikipedia.org/wiki/Wikipedia:%E5%9D%8F%E7%AC%91%E8%AF%9D%E5%92%8C%E5%88%A0%E9%99%A4%E7%9A%84%E8%83%A1%E8%AF%9D http://zh.wikipedia.org/wiki/User:YFdyh000/Sandbox There is a <ref> tag in the page but it cannot be shown in the <references> place. They have the common point that is they both transcluded Special:PreFixIndex. Special:PreFixIndex make it broken. Is it a bug on the extension or PreFixIndex? See zhwiki discussion on Village Pumps http://zh.wikipedia.org/wiki/Wikipedia:%E4%BA%92%E5%8A%A9%E5%AE%A2%E6%A0%88/%E6%8A%80%E6%9C%AF#.E9.A1.B5.E5.86.85.E5.B5.8C.E5.85.A5Special:PrefixIndex.E4.BC.9A.E8.AE.A9.E7.BB.93.E5.B0.BE.E7.9A.84.E6.B3.A8.E9.87.8A.E4.B8.8D.E5.86.8D.E6.98.BE.E7.A4.BA
Change summary to reflect the real issue. Here's the stacktrace of the clear action in question: Stack trace: #0 [internal function]: Cite->clearState(Object(Parser)) #1 phase3/includes/Hooks.php(216): call_user_func_array(Array, Array) #2 phase3/includes/GlobalFunctions.php(3734): Hooks::run('ParserClearStat...', Array) #3 phase3/includes/parser/Parser.php(302): wfRunHooks('ParserClearStat...', Array) #4 phase3/includes/parser/Parser.php(4508): Parser->clearState() #5 phase3/includes/parser/Parser.php(499): Parser->startParse(Object(Title), Object(ParserOptions), 3, true) #6 phase3/includes/parser/Parser.php(4539): Parser->preprocess('???????????????...', Object(Title), Object(ParserOptions)) #7 phase3/includes/cache/MessageCache.php(794): Parser->transformMsg('???????????????...', Object(ParserOptions), Object(Title)) #8 phase3/includes/Message.php(467): MessageCache->transform('???????????????...', false, Object(LanguageZh), Object(Title)) #9 phase3/includes/Message.php(303): Message->transformText('???????????????...') #10 phase3/includes/Message.php(340): Message->toString() #11 phase3/includes/OutputPage.php(772): Message->text() #12 phase3/includes/OutputPage.php(816): OutputPage->setHTMLTitle(Object(Message)) #13 phase3/includes/SpecialPage.php(546): OutputPage->setPageTitle('???????????????...') #14 phase3/includes/specials/SpecialPrefixindex.php(43): SpecialPage->setHeaders() #15 phase3/includes/SpecialPageFactory.php(475): SpecialPrefixindex->execute('M') #16 phase3/includes/SpecialPageFactory.php(514): SpecialPageFactory::executePath(Object(Title), Object(RequestContext), true) #17 phase3/includes/parser/Parser.php(3245): SpecialPageFactory::capturePath(Object(Title), Object(RequestContext)) #18 phase3/includes/parser/Preprocessor_DOM.php(1043): Parser->braceSubstitution(Array, Object(PPFrame_DOM)) #19 phase3/includes/parser/Parser.php(2950): PPFrame_DOM->expand(Object(PPNode_DOM), 0) #20 phase3/includes/parser/Parser.php(1068): Parser->replaceVariables('<ref>a</ref>?<!...') #21 phase3/includes/parser/Parser.php(345): Parser->internalParse('<ref>a</ref>?<!...') #22 phase3/includes/WikiPage.php(2836): Parser->parse('<ref>a</ref>?<!...', Object(Title), Object(ParserOptions), true, true, 75) #23 phase3/includes/PoolCounter.php(187): PoolWorkArticleView->doWork() #24 phase3/includes/Article.php(556): PoolCounterWork->execute() #25 phase3/includes/Wiki.php(495): Article->view() #26 phase3/includes/Wiki.php(266): MediaWiki->performAction(Object(Article)) #27 phase3/includes/Wiki.php(619): MediaWiki->performRequest() #28 phase3/includes/Wiki.php(538): MediaWiki->main() #29 phase3/index.php(58): MediaWiki->run() #30 {main}
Maybe it was introduced when Message class was added and exists in some other special pages.
