docs: def get_writemath_id(el, translate):
      """
      Parameters
      ----------
      el : dict
          with key 'semantics'
          results element
  
      Returns
      -------
      int or None:
          ID of the symbol on write-math.com
      """
      semantics = el['semantics'].split(";")[1]
      if semantics not in translate:
          logging.debug("Could not find '%s' in translate.", semantics)
          logging.debug("el: %s", el)
          return None
      else:
          writemathid = translate[semantics]
      return writemathid