Right, what you want is a seamless view that shows the block diagram while you type, perhaps by "dissolving" a single block while you type in a way that transi

Right, what you want is a seamless view that shows the block diagram while you type, perhaps by "dissolving" a single block while you type in a way that transiently corrupts the block, and condenses the block when the incremental compile notices that there is once again a valid block.