---- This module is meant to allow the goodies listed in ---- http://www.mediawiki.org/wiki/Extension:Scribunto/Lua_reference_manual#Title_objects ---- to be accessed by people who don't want to program a Lua module. ---- Usage is:  {{#invoke:Page|(function)|parameters}} ---- (function) is one of the function names from the table above: ---- id, interwiki, namespace, fragment, nsText, subjectNsText, text, prefixedText, fullText ...  ---- parameters are: ---- page = (name of page to load; leave blank to call mw.title.getCurrentTitle() ----    this is "text" passed to mw.title.new or "title" passed to mw.title.makeTitle ---- makeTitle = nonblank to call mw.title.makeTitle otherwise mw.title.new is called ---- namespace = (parameter passed to new/makeTitle) ---- fragment = (parameter passed to makeTitle) ---- interwiki = (parameter passed to makeTitle) ---- p1 = first parameter passed to functions within the title object ---- p2 = second parameter " " " " ---- p3 etc. (for inNamespaces)  function main(frame, field)     local args, pargs = frame.args, ( frame:getParent() or {} ).args or {};     local makeTitle=args.makeTitle or pargs.makeTitle or "";     local namespace=args.namespace or pargs.namespace or "";     local fragment=args.fragment or pargs.fragment or "";     local interwiki=args.interwiki or pargs.interwiki or "";     local nowiki=args.nowiki or pargs.nowiki or false;     local page=args.page or args[1] or pargs.page or pargs[1] or "";     local id= tonumber( args.id or pargs.id );     local pn = {};     local title -- holds the result of the mw.title.xxx call          for i = 1,9 do pn[i] = args['p'..i] or pargs['p'..i]; end     if not id and not mw.ustring.match( page, '%S' ) then page = nil; end          if id then         title = mw.title.new(id);         if not title then return "error: failed to mw.title.new(" .. id .. ")"; end     elseif not page then         title = mw.title.getCurrentTitle();         if not title then return "error: failed to getCurrentTitle()"; end     elseif makeTitle then         title = mw.title.makeTitle(namespace, page, fragment, interwiki);         if not title then             return mw.ustring.format("error: failed to makeTitle(%s,%s,%s,%s)", namespace, page, fragment, interwiki);         end     else         title=mw.title.new(page, namespace);         if not title then return "error: failed to mw.title.new(" .. page .. "," .. namespace .. ")"; end     end          local result, success = title[field];     if type(result) == "function" then         success, result = pcall( result, title, unpack(pn) );         if not success then             return mw.ustring.format("error: failed to title:%s(%s)", field, table.concat(pn, ',' ));         end     end     if nowiki and result ~= nil then         return mw.text.nowiki( tostring( result ) );     else         return tostring(result or "");     end end  local p = {};  -- main function does all the work function p.id(frame) return main(frame, "id"); end function p.interwiki(frame) return main(frame, "interwiki"); end function p.namespace(frame) return main(frame, "namespace"); end function p.fragment(frame) return main(frame, "fragment"); end function p.nsText(frame) return main(frame, "nsText") end function p.subjectNsText(frame) return main(frame, "subjectNsText"); end function p.text(frame) return main(frame, "text"); end function p.prefixedText(frame) return main(frame, "prefixedText"); end function p.fullText(frame) return main(frame, "fullText"); end function p.rootText(frame) return main(frame, "rootText"); end function p.baseText(frame) return main(frame, "baseText"); end function p.subpageText(frame) return main(frame, "subpageText"); end function p.canTalk(frame) return main(frame, "canTalk"); end function p.exists(frame) return main(frame, "exists"); end function p.fileExists(frame) return main(frame, "fileExists"); end function p.isContentPage(frame) return main(frame, "isContentPage"); end function p.isExternal(frame) return main(frame, "isExternal"); end function p.isLocal(frame) return main(frame, "isLocal"); end function p.isRedirect(frame) return main(frame, "isRedirect"); end function p.isSpecialPage(frame) return main(frame, "isSpecialPage"); end function p.isSubpage(frame) return main(frame, "isSubpage"); end function p.isTalkPage(frame) return main(frame, "isTalkPage"); end function p.isSubpageOf(frame) return main(frame, "isSubpageOf"); end function p.inNamespace(frame) return main(frame, "inNamespace"); end function p.inNamespaces(frame) return main(frame, "inNamespaces"); end function p.hasSubjectNamespace(frame) return main(frame, "hasSubjectNamespace"); end function p.contentModel(frame) return main(frame, "contentModel"); end function p.basePageTitle(frame) return main(frame, "basePageTitle"); end function p.rootPageTitle(frame) return main(frame, "rootPageTitle"); end function p.talkPageTitle(frame) return main(frame, "talkPageTitle"); end function p.subjectPageTitle(frame) return main(frame, "subjectPageTitle"); end function p.subPageTitle(frame) return main(frame, "subPageTitle"); end function p.partialUrl(frame) return main(frame, "partialUrl"); end function p.fullUrl(frame) return main(frame, "fullUrl"); end function p.localUrl(frame) return main(frame, "localUrl"); end function p.canonicalUrl(frame) return main(frame, "canonicalUrl"); end function p.getContent(frame) return main(frame, "getContent"); end  return p