Other mistake: When Tubal meets Shylock outside the brothel after Shylock's "Hath not a Jew eyes?"-speech, a man in a passing gondola spits on Tubal. The spittle hits Tubal's clothes (And as the man is sitting while Tubal stands, he could not have reached any higher in any case). Tubal stills reaches up to his face and wipes it with his fingers, as if the spittle was there.Twotall
Salerio: Why, I am sure, if he forfeit thou wilt not take his flesh: what's that good for?
Shylock: To bait fish withal: if it will feed nothing else, it will feed my revenge.
Portia: The quality of mercy is not strain'd, It droppeth as the gentle rain from heaven Upon the place beneath.