There is just one thing I cant't quite comprehend. Let's assume for a second that DEL was supposed to be delta. Did IBM seriously not try different ways of drawing a delta, before settling on the house glyph? With a little bit of effort, it is completely possible to draw a convincing delta, even in 8×8 pixel space.
But exactly the same argument applies to the Greek fonts where something that looks even more like a house is unmistakably intended to be delta, since it sits between gamma and epsilon. They could have made that looks like a triangle, but didn't.
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But exactly the same argument applies to the Greek fonts where something that looks even more like a house is unmistakably intended to be delta, since it sits between gamma and epsilon. They could have made that looks like a triangle, but didn't.