code: def _handle_ignores(testtag):
      
      if "ignores" in testtag.attrib:
          from xml.etree.ElementTree import Element
          for varname in re.split("[\s,]+", testtag.attrib["ignores"]):
              #For ignored variables, the order does not matter. However,
              #if the user included the caret, just remove it.
              if varname[0] == '^':
                  varname = varname[1::]
              e = Element("global", {"name": varname, "ignore": "true"})
              testtag.append(e)
docs: Checks if the specified test tag has attribute "ignores"; if it
      does, a <global ignore="true" /> tag is created for each variable
      name in the list.