pub const NUL: u8 = 0; //pub const TAB: u8 = b'\t'; pub const LF: u8 = b'\n'; pub const CR: u8 = b'\r'; pub const SPACE: u8 = b' '; pub const ESCAPE: u8 = b'='; pub const DOT: u8 = b'.'; pub const DEFAULT_LINE_SIZE: u8 = 128;