pub const INIT: & = &; // ESC @
pub const ALIGN_LEFT: & = &; // ESC a 0
pub const ALIGN_CENTER: & = &; // ESC a 1
pub const ALIGN_RIGHT: & = &; // ESC a 2
pub const BOLD_ON: & = &; // ESC E 1
pub const BOLD_OFF: & = &; // ESC E 0
pub const UNDERLINE_ON: & = &; // ESC - 1
pub const UNDERLINE_OFF: & = &; // ESC - 0
pub const CUT_FULL: & = &; // GS V 0
pub const CUT_PARTIAL: & = &; // GS V 1