local p = {}  local random = require('Module:Random').main  local template = 'テンプレート:Rd' -- name of the template  function p.pickup(number)     local content = mw.title.new( template .. '/' .. tostring(number) ):getContent()     local title = string.match( content , "{{.-|title=(.-)[\n ]-|sentences=.-}}" )     local banner = mw.wikibase.getBestStatements(mw.wikibase.getEntityIdForTitle( title ), 'P948')[1].mainsnak.datavalue.value     local text = string.match( content , "{{.-|sentences=(.-)[\n ]-}}" )     return {banner, title, text} end  function p._rd(frame)     local infos = {} 	subpages = -1 	repeat         if subpages ~= -1 then             table.insert(infos, p.pickup(subpages))         end 		subpages = subpages + 1 -- start from 0 (Template:rd/0) 	until mw.title.new( template .. '/' .. tostring(subpages) ):getContent() == nil     return infos -- infos = {{banner1, title1, text1}, {banner2, title2, text2} ... } end  function p.rd(frame)     local infos = random(     	'array',     	{     		t = p._rd(frame),     		limit = 4     	}     )     local dom = mw.html.create( 'div' )     	:addClass( "mainpage-grid mainpage-rd-grid" )     	:attr( "ontouchstart", "" )     for i = 1, #infos do     	dom = dom     		:tag( 'div' )     		:addClass( "mainpage-rd-0 mainpage-grid-item" )     			:tag( 'p' )     				:wikitext( "[[ファイル:" .. infos[i][1] .. "|frameless|1000px]]" )     				:done()     			:tag( 'p' )     				:addClass( "mainpage-grid-text" )     				:cssText( "display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical" )     				:wikitext( infos[i][3] )     				:done()     		:done()         i = i + 1     end     dom = dom:allDone()     return dom end  return p