Main

--[[ -- This module produces a link to a main article or articles. It implements the -- template {{main}}. --  -- If the module is used in category or category talk space, it produces "The -- main article for this category is xxx". Otherwise, it produces -- "Main article: xxx". --]]  local mHatnote = require('Module:Hatnote') local mHatlist = require('Module:Hatnote list') local mArguments -- lazily initialise local p = {}  function p.main(frame) mArguments = require('Module:Arguments') local args = mArguments.getArgs(frame, {parentOnly = true}) local pages = {} for k, v in pairs(args) do if type(k) == 'number' then local display = args['label ' .. k] or args['l' .. k] local page = display and string.format('%s|%s', string.gsub(v, '|.*$', ''), display) or v pages[#pages + 1] = page end end if #pages == 0 and mw.title.getCurrentTitle().namespace == 0 then return mHatnote.makeWikitextError( 'no page names specified', 'Template:Main#Errors', args.category ) end local options = { selfref = args.selfref } return p._main(pages, options) end  function p._main(args, options) -- Get the list of pages. If no first page was specified we use the current -- page name. local currentTitle = mw.title.getCurrentTitle() if #args == 0 then args = {currentTitle.text} end local firstPage = string.gsub(args[1], '|.*$', '') -- Find the pagetype. local pageType = mHatnote.findNamespaceId(firstPage) == 0 and 'article' or 'page' -- Make the formatted link text list = mHatlist.andList(args, true) -- Build the text. local isPlural = #args > 1 local mainForm local curNs = currentTitle.namespace if (curNs == 14) or (curNs == 15) then --category/talk namespaces mainForm = isPlural and 'The main %ss for this [[Wikipedia:Categorization|category]] are %s' or 'The main %s for this [[Wikipedia:Categorization|category]] is %s' else mainForm = isPlural and 'Main %ss: %s' or 'Main %s: %s' end local text = string.format(mainForm, pageType, list) -- Process the options and pass the text to the _rellink function in -- [[Module:Hatnote]]. options = options or {} local hnOptions = { selfref = options.selfref } return mHatnote._hatnote(text, hnOptions) end  return p