pub fn isLineEndingPair(first: u8, second: u8) bool
pub fn isLineEndingPair(first: u8, second: u8) bool { if (first != '\r' and first != '\n') return false; if (second != '\r' and second != '\n') return false; // can't be \n\n or \r\r if (first == second) return false; return true; }