TIL magicseteditor.sourceforge.net was made by Twan van Laarhoven (whom you may know from other hits such as "van Laarhoven lenses"). I was probably using that before I'd ever even heard of Haskell.
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The scripting language looks pretty functional and not too bad either! magicseteditor.sourceforge.net/doc/script
Passing arguments to functions as syntactic sugar for setting local variables with dynamic scope is very early-2000s bespoke scripting language and I am here for it
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