docs: def dominates(p, q):
      """
      Test for path domination.  An individual path element *a*
      dominates another path element *b*, written as *a* >= *b* if
      either *a* == *b* or *a* is a wild card.  A path *p* = *p1*, *p2*,
      ..., *pn* dominates another path *q* = *q1*, *q2*, ..., *qm* if
      *n* == *m* and, for all *i*, *pi* >= *qi*.
  
      """
      return (len(p) == len(q) and
              all(map(lambda es: es[0] == es[1] or es[0] == '*', zip(p, q))))