It is decidedly undesireable for "⋄˄∕≡·‒⁇⁆․⌉⌋"[1] to be a valid indentifier. Especially if, as appears to be the case, "foo[⋄˄/≡·-⁇].⌉⌋"[0] is a valid expressio

It is decidedly undesireable for "⋄˄∕≡·‒⁇⁆․⌉⌋"[1] to be a valid indentifier. Especially if, as appears to be the case, "foo[⋄˄/≡·-⁇].⌉⌋"[0] is a valid expression. 0: foo[diamond_caret / indentical_middot - questionquestion ] . ceil_floor 1: utf8: E2 8B 84 CB 84 E2 88 95 E2 89 A1 CE 87 E2 80 92 E2 81 87 E2 81 86 E2 80 A4 E2 8C 89 E2 8C 8B