Constants from various WHATWG specs
Copyright (C) 2025-2026 Trayambak Rai (xtrayambak@disroot.org)
Consts
ASCIIHexDigit = {'0'..'9', 'A'..'F', 'a'..'f'}
C0_CONTROLS: AsciiSet = {0'u8..31'u8}
URLCodePoints: AsciiSet = {'\x00'..'$', '&'..'\xFF'}
Procs
func isC0ControlOrSpace(c: char | uint8): bool {.inline, ...raises: [].}