I (OP) said above that "Unicode codepoints that expand or contract when case is changed in UTF-8" would have worked fine, I've changed the Gist title to that in

I (OP) said above that "Unicode codepoints that expand or contract when case is changed in UTF-8" would have worked fine, I've changed the Gist title to that in any case. I'm curious if it would've affected the attention it received on HN.