You are right, but as you can see at page 11 (Figure 4 rightmost AST) of The Oberon System Family paper [0], Wirth's approach was extended to "hint" destination

You are right, but as you can see at page 11 (Figure 4 rightmost AST) of The Oberon System Family paper [0], Wirth's approach was extended to "hint" destinations as well. [0] https://www.research-collection.ethz.ch/bitstream/handle/20.500.11850/68908/eth-3424-01.pdf https://www.research-collection.ethz.ch/bitstream/handle/20....