var wargle = 2 * x + 0.03 * y + 200;
var tricennarious = 13 * x + 0.4 * y + 50;
Adding tabulation in addition to whitespace precedence would end up making expressions even more loose and baggy than otherwise. The writer would have to count spaces, but it's fairly clean when reading.
Thanks for the pointers! I'm going to go look at those now.