Smalltalk uses [] for blocks, and somehow it just looks jagged and unpleasant to read, to me: [[[]]] doesn't nest nicely like ((())) or {{{}}}. I don't propose

Smalltalk uses [] for blocks, and somehow it just looks jagged and unpleasant to read, to me: [[[]]] doesn't nest nicely like ((())) or {{{}}}. I don't propose this as an explanation of anything; but I'm glad it isn't [].