"A variable name can contain any UTF-8 symbols (except special ones, white-spaces; the leading character cannot be a digit) and is case-sensitive." This is terrible.
How is this terrible? Isn't this pretty standard in all big languages?
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