MÓTI

The dative NP complement of móti is tagged NP-COM:

		    (NP-ADV (NP (Q-N hvor-hvor))
			    (PP (P á-á)
				(NP (N-D móti-móti)
				    (NP-COM (OTHER-D öðrum-annar))))))
	  (, ,-,)
	  (IP-MAT=1 (NP-SBJ (NP-POS (PRO-N sinn-sinn)))
		    (NP-ADV (Q-D hvorum-hvor)
			    (N-D megin-megin)
			    (NP-POS (N-G ár$-á) (D-G $innar-hinn))))
	  (. .-.))
  (ID PILTUR,.28))

When the preposition is missing parse the whole phrase as a PP with silent P.