pub const G_A_FRAC: &'static [&str] = &["/"];
pub const G_T_FRAC: &'static [&str] = &["frac"];

pub const G_SUB: &'static [&str] = &["_"];
pub const G_POW: &'static [&str] = &["^"];
pub const G_SQRT: &'static [&str] = &["sqrt"];
pub const G_ROOT: &'static [&str] = &["root"];
pub const G_INT: &'static [&str] = &["int"];
pub const G_OINT: &'static [&str] = &["oint"];
pub const G_DEL: &'static [&str] = &["del", "partial"];
pub const G_GRAD: &'static [&str] = &["grad", "nbla"];
pub const G_PM: &'static [&str] = &["+-", "pm"];
pub const G_EMPTYSET: &'static [&str] = &["O/", "emptyset"];
pub const G_INFTY: &'static [&str] = &["oo", "infty"];
pub const G_ALEPH: &'static [&str] = &["aleph"];
pub const G_THEREFORE: &'static [&str] = &[":.", "therefore"];
pub const G_BECAUSE: &'static [&str] = &[":'", "because"];
pub const G_ELDOTS: &'static [&str] = &["|...|", "|ldots|"];
pub const G_ECDOTS: &'static [&str] = &["|cdots|"];
pub const G_VDOTS: &'static [&str] = &["vdots"];
pub const G_DDOTS: &'static [&str] = &["ddots"];
pub const G_EPIPES: &'static [&str] = &["|\\ |"];
pub const G_QUAD: &'static [&str] = &["|quad|"];
pub const G_ANGLE: &'static [&str] = &["/_", "angle"];
pub const G_FROWN: &'static [&str] = &["frown"];
pub const G_TRIANGLE: &'static [&str] = &["/_\\", "triangle"];
pub const G_DIAMOND: &'static [&str] = &["diamond"];
pub const G_SQUARE: &'static [&str] = &["square"];
pub const G_LFLOOR: &'static [&str] = &["|__", "lfloor"];
pub const G_RFLOOR: &'static [&str] = &["__|", "rfloor"];
pub const G_LCEILING: &'static [&str] = &["|~", "lceiling"];
pub const G_RCEILING: &'static [&str] = &["~|", "rceiling"];

pub const G_COMPLEX: &'static [&str] = &["CC"];
pub const G_NATURAL: &'static [&str] = &["NN"];
pub const G_RATIONAL: &'static [&str] = &["QQ"];
pub const G_REAL: &'static [&str] = &["RR"];
pub const G_INTEGER: &'static [&str] = &["ZZ"];

pub const G_A_TEXT: &'static [&str] = &["\""];
pub const G_T_TEX: &'static [&str] = &["text"];