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I have a unicase font that has a bunch of OpenType scripting (swsh, dlig, etc.).
I have designed the letters in the A-Z slots, and had presumed that I would just put one-component copies of them into the a-z slots.
Would it be a mistake to simply double-encode, say, the /A/ glyph with the Unicodes for /A/ and /a/ instead of making lowercase copies? That way I wouldn't have to work all the lowercase permutations into all the scripting, kerning classes, etc.