local i = {}  function i.BASICPAGENAME(frame)     local basicpagename = frame:getParent().args[1] or '';     if basicpagename == '' then         basicpagename = mw.title.getCurrentTitle().subpageText;     end      basicpagename = mw.ustring.gsub(basicpagename, '%s%(.*%)', '');     basicpagename = mw.ustring.gsub(basicpagename, '.*%/', '');      return basicpagename; end  return i;