> ef hann hefði þrek til haft
> If he had had the
courage/fortitude
That's right.
> Stefna skal málinu svo að
eg heyri á
> The summons must be spoken that I hear it
Yes, the
summons must be made so that I hear it / within my hearing.
> Þú
skalt þá stefna og skal rangt svo að eigi sé meir en annað hvert
orð
rétt.
> you shall the summons (repeat) and shall do it so badly so
that
only/ no more than - every second word is
correct
Yes.
> Hann mun segja þér að eigi megi það
ónýta.
> He will say to you that nothing was wrong with it
That's
the idea: "that won't be ruined/quashed" (i.e. by anyone
finding a loophole
in it).