isEncodedVedicMark function
All Unicode blocks used for encoded Vedic tone/sign data.
Implementation
bool isEncodedVedicMark(int rune) =>
rune == 0x0951 ||
rune == 0x0952 ||
(rune >= 0x1CD0 && rune <= 0x1CFF) ||
(rune >= 0xA8E0 && rune <= 0xA8FF);