I wrote a package and it is finally good enough to share! git link

My goal was to simplify the typesetting of mathematical programs by emulating amsmath’s alignment environments with a load of formatting features and without any the extra spacing characters. See the example below!

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I’ve embedded the documentation below. I’d love to hear any feedback you might have! It has not yet been added to CTAN, so it will need to be added to your project directory manually. (Don’t worry; it is quite simple!)