#[allow(dead_code)]
pub mod lookup_flags {
pub const RIGHT_TO_LEFT: u16 = 0x0001;
pub const IGNORE_BASE_GLYPHS: u16 = 0x0002;
pub const IGNORE_LIGATURES: u16 = 0x0004;
pub const IGNORE_MARKS: u16 = 0x0008;
pub const IGNORE_FLAGS: u16 = 0x000E;
pub const USE_MARK_FILTERING_SET: u16 = 0x0010;
pub const MARK_ATTACHMENT_TYPE_MASK: u16 = 0xFF00;
}