--[[ -- This module produces a "Further information: a, b and c" link. It implements -- the {{further}} template. --]]  local mHatnote = require('Module:Hatnote') local mTableTools -- lazily initialise local mArguments -- lazily initialise  local p = {}  function p.further(frame)  mTableTools = require('Module:TableTools')  mArguments = require('Module:Arguments')  local args = mArguments.getArgs(frame, {parentOnly = true})  local pages = mTableTools.compressSparseArray(args)  if #pages < 1 then  return mHatnote.makeWikitextError(  'no page names specified',  'แม่แบบ:ข้อมูลเพิ่มเติม#Errors',  args.category  )  end  local options = {  selfref = args.selfref  }  return p._further(options, unpack(pages)) end  function p._further(options, ...)  local links = mHatnote.formatPages(...)  local text = 'ดูสารนิเทศเพิ่มเติมที่: ' .. mw.text.listToText(links)  return mHatnote._hatnote(text, options) end  return p