math-core-renderer-internal 0.7.0

use std::fmt::{self, Debug};

#[cfg(feature = "serde")]
use serde::Serialize;

use crate::super_char::{OverlayChar, SuperChar, VariationSelector};

/// A character for use in MathML `<mo>` elements.
///
/// LaTeX's operator classes cannot be mapped cleanly to MathML's `<mo>` vs `<mi>` distinction.
/// Some characters that are in class 0 in LaTeX are nevertheless rendered as `<mo>` in MathML.
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[cfg_attr(feature = "serde", derive(Serialize))]
#[repr(transparent)]
#[cfg_attr(feature = "serde", serde(transparent))]
pub struct MathMLOperator(SuperChar);

impl MathMLOperator {
    #[inline]
    /// Construct a `MathMLOperator` from a single character.
    ///
    /// This constructor is deliberately not `pub` to ensure that not just any character can end up
    /// in a `<mo>` element.
    const fn from_char(c: char) -> Self {
        Self(SuperChar::from_char(c))
    }

    #[inline]
    pub const fn as_superchar(self) -> SuperChar {
        self.0
    }

    #[inline]
    pub fn with_overlay(self, overlay: OverlayChar) -> Self {
        Self(self.0.with_overlay(overlay))
    }

    #[inline]
    pub fn as_chars(self) -> impl Iterator<Item = char> {
        self.0.chars()
    }

    #[inline]
    pub const fn try_as_char(self) -> Option<char> {
        self.0.try_as_char()
    }
}

impl fmt::Display for MathMLOperator {
    #[inline]
    /// We do HTML escaping here.
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        for c in self.0.chars() {
            match c {
                '<' => write!(f, "&lt;")?,
                '>' => write!(f, "&gt;")?,
                '&' => write!(f, "&amp;")?,
                _ => write!(f, "{c}")?,
            }
        }
        Ok(())
    }
}

/// A character from the Basic Multilingual Plane (BMP), stored as a single UTF-16 code unit.
///
/// This can only store characters in the BMP (i.e., code points U+0000 to U+FFFF).
/// `BMPChar::new` will panic if a character outside this range is provided.
#[derive(Clone, Copy, PartialEq, Eq)]
struct BMPChar {
    char: u16,
}

impl BMPChar {
    const fn new(ch: char) -> Self {
        assert!(ch as u32 <= u16::MAX as u32, "Character is outside the BMP");
        BMPChar { char: ch as u16 }
    }

    #[inline]
    pub const fn as_char(self) -> char {
        debug_assert!(char::from_u32(self.char as u32).is_some(), "Invalid char.");
        unsafe { char::from_u32_unchecked(self.char as u32) }
    }
}

// We use a custom `Debug` implementation to render `BMPChar` as a `char`.
impl Debug for BMPChar {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_fmt(format_args!("{:?}", self.as_char()))
    }
}

/// Like a `MathMLOperator`, but guaranteed to be a single character in the BMP, and with no
/// variation selector.
#[derive(Clone, Copy, Debug, PartialEq)]
pub struct BMPOperator(BMPChar);

impl BMPOperator {
    #[inline]
    pub const fn new(ch: char) -> Self {
        BMPOperator(BMPChar::new(ch))
    }

    #[inline]
    pub const fn as_op(self) -> MathMLOperator {
        MathMLOperator::from_char(self.0.as_char())
    }

    #[inline]
    pub const fn as_char(self) -> char {
        self.0.as_char()
    }
}

macro_rules! make_character_class {
    ($(#[$meta:meta])* $struct_name:ident, $cat_type:ty) => {
        $(#[$meta])*
        #[derive(Clone, Copy, Debug, PartialEq, Eq)]
        pub struct $struct_name {
            char: BMPChar,
            cat: $cat_type,
            has_vs1: bool,
        }

        impl $struct_name {
            const fn new(ch: char, cat: $cat_type) -> $struct_name {
                $struct_name {
                    char: BMPChar::new(ch),
                    cat,
                    has_vs1: false,
                }
            }

            #[allow(unused)]
            const fn new_vs1(ch: char, cat: $cat_type) -> $struct_name {
                $struct_name {
                    char: BMPChar::new(ch),
                    cat,
                    has_vs1: true,
                }
            }

            #[inline]
            pub const fn as_op(&self) -> MathMLOperator {
                let s = if self.has_vs1 {
                    SuperChar::from_char_with_vs(self.char.as_char(), VariationSelector::Vs1)
                } else {
                    SuperChar::from_char(self.char.as_char())
                };
                MathMLOperator(s)
            }

            #[inline]
            pub const fn as_bmp_op(&self) -> BMPOperator {
                BMPOperator(self.char)
            }

            #[inline]
            pub const fn category(&self) -> $cat_type {
                self.cat
            }
        }
    };
}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum OrdCategory {
    /// Category D: Prefix, zero spacing (e.g. `¬`).
    D,
    /// Category E: Postfix, zero spacing (e.g. `′`).
    E,
    /// Category D and E: Prefix or postfix, zero spacing (e.g. ` !`)
    DE,
    /// Category F: Prefix, zero spacing, stretchy, symmetric (e.g. `(`).
    /// Meant to be stretched vertically.
    F,
    /// Category G: Postfix, zero spacing, stretchy, symmetric (e.g. `)`).
    /// Meant to be stretched vertically.
    G,
    /// Category F and G: Prefix or postfix, zero spacing, stretchy, symmetric
    /// (e.g. `⦀`).
    FG,
    /// Category F and G: Prefix or postfix, zero spacing, stretchy, symmetric
    /// but also with an infix form with relation spacing (e.g. `|`).
    FGandForceDefault,
    /// Category I: Postfix, zero spacing, stretchy (e.g. `~`).
    /// Meant to be stretched horizontally.
    I,
    /// Category K: Infix, zero spacing (e.g. `\`).
    K,
    /// Category I and K (e.g., `_`)
    IK,
    /// An operator which is in category K but used to be in category B (e.g. `/`).
    /// Unfortunately, not all browsers handle this correctly yet,
    /// so we need to special-case it.
    KButUsedToBeB,
}

make_character_class!(
    /// An operator with zero spacing, categories D, E, F, G, I, K.
    OrdLike, OrdCategory
);

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum OpCategory {
    /// Category C: Infix, op spacing (e.g. `.`).
    C,
    /// Category H: Prefix, op spacing, symmetric, largeop (e.g. `∫`).
    H,
    /// Category J: Prefix, op spacing, symmetric, largeop, movablelimits
    /// (e.g. `∑`).
    J,
}

make_character_class!(
    /// An operator with operator spacing (categories C, H, J).
    Op, OpCategory
);

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum BinCategory {
    /// Category B: Infix, binary op spacing (e.g. `÷`)
    B,
    /// Category B and D: Infix and prefix, binary op spacing (e.g. `+`)
    BD,
}

make_character_class!(
    /// An operator with binary operator spacing (categories B and D).
    Bin, BinCategory
);

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum RelCategory {
    /// Default: No form, relation spacing (e.g. `=`).
    Default,
    /// Category A: Infix, relation spacing, stretchy (e.g. `↑`).
    A,
    /// Category D: Prefix, zero spacing (e.g. `¬`)
    /// but also with an infix form with relation spacing (e.g. `∼`).
    DandForceDefault,
}

make_character_class!(
    /// An operator with relation spacing.
    Rel, RelCategory
);

/// An operator with punctuation spacing (category M).
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
#[repr(transparent)]
pub struct Punct(char);

impl Punct {
    #[inline]
    pub const fn as_op(&self) -> MathMLOperator {
        MathMLOperator::from_char(self.0)
    }
}

//
// Unicode Block: Basic Latin
//
pub const EXCLAMATION_MARK: OrdLike = OrdLike::new('!', OrdCategory::DE);
// pub const QUOTATION_MARK: char = '"';
pub const NUMBER_SIGN: char = '#';
pub const DOLLAR_SIGN: char = '$';
pub const PERCENT_SIGN: char = '%';
pub const AMPERSAND: OrdLike = OrdLike::new('&', OrdCategory::E);
// pub const APOSTROPHE: char = '\'';
pub const LEFT_PARENTHESIS: OrdLike = OrdLike::new('(', OrdCategory::F);
pub const RIGHT_PARENTHESIS: OrdLike = OrdLike::new(')', OrdCategory::G);
// pub const ASTERISK: char = '*';
pub const PLUS_SIGN: Bin = Bin::new('+', BinCategory::BD);
pub const COMMA: Punct = Punct(',');
pub const FULL_STOP: Op = Op::new('.', OpCategory::C);
pub const SOLIDUS: OrdLike = OrdLike::new('/', OrdCategory::KButUsedToBeB);

pub const COLON: Punct = Punct(':');
pub const SEMICOLON: Punct = Punct(';');
pub const LESS_THAN_SIGN: Rel = Rel::new('<', RelCategory::Default);
pub const EQUALS_SIGN: Rel = Rel::new('=', RelCategory::Default);
pub const GREATER_THAN_SIGN: Rel = Rel::new('>', RelCategory::Default);
// pub const QUESTION_MARK: char = '?';
// pub const COMMERCIAL_AT: char = '@';

pub const LEFT_SQUARE_BRACKET: OrdLike = OrdLike::new('[', OrdCategory::F);
pub const REVERSE_SOLIDUS: OrdLike = OrdLike::new('\\', OrdCategory::K);
pub const RIGHT_SQUARE_BRACKET: OrdLike = OrdLike::new(']', OrdCategory::G);
// pub const CIRCUMFLEX_ACCENT: Rel = Rel::new('^', RelCategory::Default);
pub const LOW_LINE: OrdLike = OrdLike::new('_', OrdCategory::IK);
pub const GRAVE_ACCENT: BMPOperator = BMPOperator::new('`');

pub const LEFT_CURLY_BRACKET: OrdLike = OrdLike::new('{', OrdCategory::F);
pub const VERTICAL_LINE: OrdLike = OrdLike::new('|', OrdCategory::FGandForceDefault);
pub const RIGHT_CURLY_BRACKET: OrdLike = OrdLike::new('}', OrdCategory::G);
pub const TILDE: OrdLike = OrdLike::new('~', OrdCategory::I);

//
// Unicode Block: Latin-1 Supplement
//
pub const NO_BREAK_SPACE: char = '\u{A0}';
// pub const INVERTED_EXCLAMATION_MARK: char = '¡';
// pub const CENT_SIGN: char = '¢';
pub const POUND_SIGN: char = '£';

pub const YEN_SIGN: char = '¥';

pub const SECTION_SIGN: char = '§';
pub const DIAERESIS: BMPOperator = BMPOperator::new('¨');
pub const COPYRIGHT_SIGN: char = '©';

pub const NOT_SIGN: OrdLike = OrdLike::new('¬', OrdCategory::D);
pub const DEGREE_SIGN: char = '°';

pub const MACRON: BMPOperator = BMPOperator::new('¯');

pub const PLUS_MINUS_SIGN: Bin = Bin::new('±', BinCategory::BD);

pub const ACUTE_ACCENT: BMPOperator = BMPOperator::new('´');

pub const PILCROW_SIGN: char = '¶';
pub const MIDDLE_DOT: Op = Op::new('·', OpCategory::C);

pub const MULTIPLICATION_SIGN: Op = Op::new('×', OpCategory::C);

pub const LATIN_SMALL_LETTER_ETH: char = 'ð';

pub const DIVISION_SIGN: Bin = Bin::new('÷', BinCategory::B);

//
// Unicode Block: Latin Extended-A
//
pub const LATIN_SMALL_LETTER_DOTLESS_I: char = 'ı';

//
// Unicode Block: Latin Extended-B
//
pub const LATIN_SMALL_LETTER_DOTLESS_J: char = 'ȷ';

//
// Unicode Block: Spacing Modifier Letters
//
pub const MODIFIER_LETTER_CIRCUMFLEX_ACCENT: BMPOperator = BMPOperator::new('ˆ');
pub const CARON: BMPOperator = BMPOperator::new('ˇ');

pub const BREVE: BMPOperator = BMPOperator::new('˘');
pub const DOT_ABOVE: BMPOperator = BMPOperator::new('˙');
pub const RING_ABOVE: BMPOperator = BMPOperator::new('˚');

pub const SMALL_TILDE: BMPOperator = BMPOperator::new('˜');

//
// Unicode Block: Combining Diacritical Marks
//
pub const COMBINING_GRAVE_ACCENT: char = '\u{300}';
pub const COMBINING_ACUTE_ACCENT: char = '\u{301}';
pub const COMBINING_CIRCUMFLEX_ACCENT: BMPOperator = BMPOperator::new('\u{302}');
pub const COMBINING_TILDE: char = '\u{303}';
pub const COMBINING_MACRON: char = '\u{304}';
// pub const COMBINING_OVERLINE: MathMLOperator = MathMLOperator::from_char('\u{305}');
pub const COMBINING_BREVE: char = '\u{306}';
pub const COMBINING_DOT_ABOVE: char = '\u{307}';
pub const COMBINING_DIAERESIS: char = '\u{308}';
// pub const COMBINING_HOOK_ABOVE: char = '\u{309}';
pub const COMBINING_RING_ABOVE: char = '\u{30A}';
pub const COMBINING_DOUBLE_ACUTE_ACCENT: char = '\u{30B}';
pub const COMBINING_CARON: char = '\u{30C}';

pub const COMBINING_CEDILLA: char = '\u{327}';

pub const COMBINING_LOW_LINE: BMPOperator = BMPOperator::new('\u{332}');

pub const COMBINING_LONG_SOLIDUS_OVERLAY: char = '\u{338}';

//
// Unicode Block: Greek and Coptic
//
pub const GREEK_CAPITAL_LETTER_ALPHA: char = 'Α';
pub const GREEK_CAPITAL_LETTER_BETA: char = 'Β';
pub const GREEK_CAPITAL_LETTER_GAMMA: char = 'Γ';
pub const GREEK_CAPITAL_LETTER_DELTA: char = 'Δ';
pub const GREEK_CAPITAL_LETTER_EPSILON: char = 'Ε';
pub const GREEK_CAPITAL_LETTER_ZETA: char = 'Ζ';
pub const GREEK_CAPITAL_LETTER_ETA: char = 'Η';
pub const GREEK_CAPITAL_LETTER_THETA: char = 'Θ';
pub const GREEK_CAPITAL_LETTER_IOTA: char = 'Ι';
pub const GREEK_CAPITAL_LETTER_KAPPA: char = 'Κ';
pub const GREEK_CAPITAL_LETTER_LAMBDA: char = 'Λ';
pub const GREEK_CAPITAL_LETTER_MU: char = 'Μ';
pub const GREEK_CAPITAL_LETTER_NU: char = 'Ν';
pub const GREEK_CAPITAL_LETTER_XI: char = 'Ξ';
pub const GREEK_CAPITAL_LETTER_OMICRON: char = 'Ο';
pub const GREEK_CAPITAL_LETTER_PI: char = 'Π';
pub const GREEK_CAPITAL_LETTER_RHO: char = 'Ρ';
pub const GREEK_CAPITAL_LETTER_SIGMA: char = 'Σ';
pub const GREEK_CAPITAL_LETTER_TAU: char = 'Τ';
pub const GREEK_CAPITAL_LETTER_UPSILON: char = 'Υ';
pub const GREEK_CAPITAL_LETTER_PHI: char = 'Φ';
pub const GREEK_CAPITAL_LETTER_CHI: char = 'Χ';
pub const GREEK_CAPITAL_LETTER_PSI: char = 'Ψ';
pub const GREEK_CAPITAL_LETTER_OMEGA: char = 'Ω';

pub const GREEK_SMALL_LETTER_ALPHA: char = 'α';
pub const GREEK_SMALL_LETTER_BETA: char = 'β';
pub const GREEK_SMALL_LETTER_GAMMA: char = 'γ';
pub const GREEK_SMALL_LETTER_DELTA: char = 'δ';
pub const GREEK_SMALL_LETTER_EPSILON: char = 'ε';
pub const GREEK_SMALL_LETTER_ZETA: char = 'ζ';
pub const GREEK_SMALL_LETTER_ETA: char = 'η';
pub const GREEK_SMALL_LETTER_THETA: char = 'θ';
pub const GREEK_SMALL_LETTER_IOTA: char = 'ι';
pub const GREEK_SMALL_LETTER_KAPPA: char = 'κ';
pub const GREEK_SMALL_LETTER_LAMBDA: char = 'λ';
pub const GREEK_SMALL_LETTER_MU: char = 'μ';
pub const GREEK_SMALL_LETTER_NU: char = 'ν';
pub const GREEK_SMALL_LETTER_XI: char = 'ξ';
pub const GREEK_SMALL_LETTER_OMICRON: char = 'ο';
pub const GREEK_SMALL_LETTER_PI: char = 'π';
pub const GREEK_SMALL_LETTER_RHO: char = 'ρ';
pub const GREEK_SMALL_LETTER_FINAL_SIGMA: char = 'ς';
pub const GREEK_SMALL_LETTER_SIGMA: char = 'σ';
pub const GREEK_SMALL_LETTER_TAU: char = 'τ';
pub const GREEK_SMALL_LETTER_UPSILON: char = 'υ';
pub const GREEK_SMALL_LETTER_PHI: char = 'φ';
pub const GREEK_SMALL_LETTER_CHI: char = 'χ';
pub const GREEK_SMALL_LETTER_PSI: char = 'ψ';
pub const GREEK_SMALL_LETTER_OMEGA: char = 'ω';

pub const GREEK_THETA_SYMBOL: char = 'ϑ';
// pub const GREEK_UPSILON_WITH_HOOK_SYMBOL: char = 'ϒ';

pub const GREEK_PHI_SYMBOL: char = 'ϕ';
pub const GREEK_PI_SYMBOL: char = 'ϖ';

// pub const GREEK_LETTER_DIGAMMA: char = 'Ϝ';
pub const GREEK_SMALL_LETTER_DIGAMMA: char = 'ϝ';

pub const GREEK_KAPPA_SYMBOL: char = 'ϰ';
pub const GREEK_RHO_SYMBOL: char = 'ϱ';

// pub const GREEK_CAPITAL_THETA_SYMBOL: char = 'ϴ';

pub const GREEK_LUNATE_EPSILON_SYMBOL: char = 'ϵ';
pub const GREEK_REVERSED_LUNATE_EPSILON_SYMBOL: char = '϶';

//
// Unicode Block: General Punctuation
//

pub const EN_SPACE: char = '\u{2002}';
pub const EM_SPACE: char = '\u{2003}';
pub const THREE_PER_EM_SPACE: char = '\u{2004}';
pub const THIN_SPACE: char = '\u{2009}';

pub const DOUBLE_VERTICAL_LINE: OrdLike = OrdLike::new('‖', OrdCategory::FGandForceDefault); // should actually be FG
// pub const DOUBLE_LOW_LINE: char = '‗';

pub const LEFT_SINGLE_QUOTATION_MARK: char = '‘';
pub const RIGHT_SINGLE_QUOTATION_MARK: char = '’';
// pub const SINGLE_LOW_9_QUOTATION_MARK: char = '‚';
// pub const SINGLE_HIGH_REVERSED_9_QUOTATION_MARK: char = '‛';
// pub const LEFT_DOUBLE_QUOTATION_MARK: char = '“';
pub const RIGHT_DOUBLE_QUOTATION_MARK: char = '”';
// pub const DOUBLE_LOW_9_QUOTATION_MARK: char = '„';
// pub const DOUBLE_HIGH_REVERSED_9_QUOTATION_MARK: char = '‟';

pub const DAGGER: MathMLOperator = MathMLOperator::from_char('†');
pub const DOUBLE_DAGGER: MathMLOperator = MathMLOperator::from_char('‡');
pub const BULLET: MathMLOperator = MathMLOperator::from_char('•');
pub const HORIZONTAL_ELLIPSIS: char = '…';

pub const PRIME: OrdLike = OrdLike::new('′', OrdCategory::E);
pub const DOUBLE_PRIME: OrdLike = OrdLike::new('″', OrdCategory::E);
pub const TRIPLE_PRIME: OrdLike = OrdLike::new('‴', OrdCategory::E);
pub const REVERSED_PRIME: OrdLike = OrdLike::new('‵', OrdCategory::E);
pub const REVERSED_DOUBLE_PRIME: OrdLike = OrdLike::new('‶', OrdCategory::E);
pub const REVERSED_TRIPLE_PRIME: OrdLike = OrdLike::new('‷', OrdCategory::E);
// pub const CARET: Ord = ord('‸');

// pub const SINGLE_LEFT_POINTING_ANGLE_QUOTATION_MARK: Ord = ord('‹');
// pub const SINGLE_RIGHT_POINTING_ANGLE_QUOTATION_MARK: Ord = ord('›');

// pub const REFERENCE_MARK: Ord = ord('※');

// pub const DOUBLE_EXCLAMATION_MARK: Ord = ord('‼');

// pub const INTERROBANG: Ord = ord('‽');
pub const OVERLINE: BMPOperator = BMPOperator::new('‾');
pub const CHARACTER_TIE: MathMLOperator = MathMLOperator::from_char('⁀');
pub const FRACTION_SLASH: Bin = Bin::new('⁄', BinCategory::B);

pub const QUADRUPLE_PRIME: OrdLike = OrdLike::new('⁗', OrdCategory::E);

pub const MEDIUM_MATHEMATICAL_SPACE: char = '\u{205F}';

pub const INVISIBLE_SEPARATOR: OrdLike = OrdLike::new('\u{2063}', OrdCategory::K);

//
// Unicode Block: Combining Diacritical Marks for Symbols
//
pub const COMBINING_LONG_VERTICAL_LINE_OVERLAY: char = '\u{20D2}';

pub const COMBINING_RIGHT_ARROW_ABOVE: BMPOperator = BMPOperator::new('\u{20D7}');

pub const COMBINING_THREE_DOTS_ABOVE: BMPOperator = BMPOperator::new('\u{20DB}');
pub const COMBINING_FOUR_DOTS_ABOVE: BMPOperator = BMPOperator::new('\u{20DC}');

//
// Unicode Block: Letterlike Symbols
//
pub const PLANCK_CONSTANT_OVER_TWO_PI: char = 'ℏ';
// pub const SCRIPT_CAPITAL_I: char = 'ℐ';
pub const BLACK_LETTER_CAPITAL_I: char = 'ℑ';
// pub const SCRIPT_CAPITAL_L: char = 'ℒ';
pub const SCRIPT_SMALL_L: char = 'ℓ';

pub const DOUBLE_STRUCK_CAPITAL_C: char = 'ℂ';

pub const DOUBLE_STRUCK_CAPITAL_N: char = 'ℕ';

pub const SCRIPT_CAPITAL_P: char = '℘';

pub const BLACK_LETTER_CAPITAL_R: char = 'ℜ';
pub const DOUBLE_STRUCK_CAPITAL_R: char = 'ℝ';

pub const DOUBLE_STRUCK_CAPITAL_Z: char = 'ℤ';

pub const INVERTED_OHM_SIGN: char = '℧';

pub const TURNED_CAPITAL_F: char = 'Ⅎ';

pub const ALEF_SYMBOL: char = 'ℵ';
pub const BET_SYMBOL: char = 'ℶ';
pub const GIMEL_SYMBOL: char = 'ℷ';
pub const DALET_SYMBOL: char = 'ℸ';

pub const DOUBLE_STRUCK_N_ARY_SUMMATION: MathMLOperator = MathMLOperator::from_char('⅀');

pub const TURNED_SANS_SERIF_CAPITAL_G: char = '⅁';

pub const TURNED_AMPERSAND: MathMLOperator = MathMLOperator::from_char('⅋');

//
// Unicode Block: Arrows
//
pub const LEFTWARDS_ARROW: Rel = Rel::new('←', RelCategory::A);
pub const UPWARDS_ARROW: Rel = Rel::new('↑', RelCategory::A);
pub const RIGHTWARDS_ARROW: Rel = Rel::new('→', RelCategory::A);
pub const DOWNWARDS_ARROW: Rel = Rel::new('↓', RelCategory::A);
pub const LEFT_RIGHT_ARROW: Rel = Rel::new('↔', RelCategory::A);
pub const UP_DOWN_ARROW: Rel = Rel::new('↕', RelCategory::A);
pub const NORTH_WEST_ARROW: Rel = Rel::new('↖', RelCategory::Default);
pub const NORTH_EAST_ARROW: Rel = Rel::new('↗', RelCategory::Default);
pub const SOUTH_EAST_ARROW: Rel = Rel::new('↘', RelCategory::Default);
pub const SOUTH_WEST_ARROW: Rel = Rel::new('↙', RelCategory::Default);
pub const LEFTWARDS_ARROW_WITH_STROKE: Rel = Rel::new('↚', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_STROKE: Rel = Rel::new('↛', RelCategory::A);
pub const LEFTWARDS_WAVE_ARROW: Rel = Rel::new('↜', RelCategory::A);
pub const RIGHTWARDS_WAVE_ARROW: Rel = Rel::new('↝', RelCategory::A);
pub const LEFTWARDS_TWO_HEADED_ARROW: Rel = Rel::new('↞', RelCategory::A);
pub const UPWARDS_TWO_HEADED_ARROW: Rel = Rel::new('↟', RelCategory::A);
pub const RIGHTWARDS_TWO_HEADED_ARROW: Rel = Rel::new('↠', RelCategory::A);
pub const DOWNWARDS_TWO_HEADED_ARROW: Rel = Rel::new('↡', RelCategory::A);
pub const LEFTWARDS_ARROW_WITH_TAIL: Rel = Rel::new('↢', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_TAIL: Rel = Rel::new('↣', RelCategory::A);
pub const LEFTWARDS_ARROW_FROM_BAR: Rel = Rel::new('↤', RelCategory::A);
pub const UPWARDS_ARROW_FROM_BAR: Rel = Rel::new('↥', RelCategory::A);
pub const RIGHTWARDS_ARROW_FROM_BAR: Rel = Rel::new('↦', RelCategory::A);
pub const DOWNWARDS_ARROW_FROM_BAR: Rel = Rel::new('↧', RelCategory::A);
//pub const UP_DOWN_ARROW_WITH_BASE: Rel = Rel::new('↨', RelCategory::A);
pub const LEFTWARDS_ARROW_WITH_HOOK: Rel = Rel::new('↩', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_HOOK: Rel = Rel::new('↪', RelCategory::A);
pub const LEFTWARDS_ARROW_WITH_LOOP: Rel = Rel::new('↫', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_LOOP: Rel = Rel::new('↬', RelCategory::A);
pub const LEFT_RIGHT_WAVE_ARROW: Rel = Rel::new('↭', RelCategory::A);
pub const LEFT_RIGHT_ARROW_WITH_STROKE: Rel = Rel::new('↮', RelCategory::A);
pub const DOWNWARDS_ZIGZAG_ARROW: Rel = Rel::new('↯', RelCategory::Default);
pub const UPWARDS_ARROW_WITH_TIP_LEFTWARDS: Rel = Rel::new('↰', RelCategory::A);
pub const UPWARDS_ARROW_WITH_TIP_RIGHTWARDS: Rel = Rel::new('↱', RelCategory::A);
pub const DOWNWARDS_ARROW_WITH_TIP_LEFTWARDS: Rel = Rel::new('↲', RelCategory::A);
pub const DOWNWARDS_ARROW_WITH_TIP_RIGHTWARDS: Rel = Rel::new('↳', RelCategory::A);
// pub const RIGHTWARDS_ARROW_WITH_CORNER_DOWNWARDS: Rel = Rel::new('↴', RelCategory::A);
// pub const DOWNWARDS_ARROW_WITH_CORNER_LEFTWARDS: Rel = Rel::new('↵', RelCategory::A);
pub const ANTICLOCKWISE_TOP_SEMICIRCLE_ARROW: Rel = Rel::new('↶', RelCategory::Default);
pub const CLOCKWISE_TOP_SEMICIRCLE_ARROW: Rel = Rel::new('↷', RelCategory::Default);
// pub const NORTH_WEST_ARROW_TO_LONG_BAR: Rel = Rel::new('↸', RelCategory::Default);
// pub const LEFTWARDS_ARROW_TO_BAR_OVER_RIGHTWARDS_ARROW_TO_BAR: Rel = Rel::new('↹', RelCategory::Default);
pub const ANTICLOCKWISE_OPEN_CIRCLE_ARROW: Rel = Rel::new('↺', RelCategory::Default);
pub const CLOCKWISE_OPEN_CIRCLE_ARROW: Rel = Rel::new('↻', RelCategory::Default);
pub const LEFTWARDS_HARPOON_WITH_BARB_UPWARDS: Rel = Rel::new('↼', RelCategory::A);
pub const LEFTWARDS_HARPOON_WITH_BARB_DOWNWARDS: Rel = Rel::new('↽', RelCategory::A);
pub const UPWARDS_HARPOON_WITH_BARB_RIGHTWARDS: Rel = Rel::new('↾', RelCategory::A);
pub const UPWARDS_HARPOON_WITH_BARB_LEFTWARDS: Rel = Rel::new('↿', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_UPWARDS: Rel = Rel::new('⇀', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_DOWNWARDS: Rel = Rel::new('⇁', RelCategory::A);
pub const DOWNWARDS_HARPOON_WITH_BARB_RIGHTWARDS: Rel = Rel::new('⇂', RelCategory::A);
pub const DOWNWARDS_HARPOON_WITH_BARB_LEFTWARDS: Rel = Rel::new('⇃', RelCategory::A);
pub const RIGHTWARDS_ARROW_OVER_LEFTWARDS_ARROW: Rel = Rel::new('⇄', RelCategory::A);
pub const UPWARDS_ARROW_LEFTWARDS_OF_DOWNWARDS_ARROW: Rel = Rel::new('⇅', RelCategory::A);
pub const LEFTWARDS_ARROW_OVER_RIGHTWARDS_ARROW: Rel = Rel::new('⇆', RelCategory::A);
pub const LEFTWARDS_PAIRED_ARROWS: Rel = Rel::new('⇇', RelCategory::A);
pub const UPWARDS_PAIRED_ARROWS: Rel = Rel::new('⇈', RelCategory::A);
pub const RIGHTWARDS_PAIRED_ARROWS: Rel = Rel::new('⇉', RelCategory::A);
pub const DOWNWARDS_PAIRED_ARROWS: Rel = Rel::new('⇊', RelCategory::A);
pub const LEFTWARDS_HARPOON_OVER_RIGHTWARDS_HARPOON: Rel = Rel::new('⇋', RelCategory::A);
pub const RIGHTWARDS_HARPOON_OVER_LEFTWARDS_HARPOON: Rel = Rel::new('⇌', RelCategory::A);
pub const LEFTWARDS_DOUBLE_ARROW_WITH_STROKE: Rel = Rel::new('⇍', RelCategory::A);
pub const LEFT_RIGHT_DOUBLE_ARROW_WITH_STROKE: Rel = Rel::new('⇎', RelCategory::A);
pub const RIGHTWARDS_DOUBLE_ARROW_WITH_STROKE: Rel = Rel::new('⇏', RelCategory::A);
pub const LEFTWARDS_DOUBLE_ARROW: Rel = Rel::new('⇐', RelCategory::A);
pub const UPWARDS_DOUBLE_ARROW: Rel = Rel::new('⇑', RelCategory::A);
pub const RIGHTWARDS_DOUBLE_ARROW: Rel = Rel::new('⇒', RelCategory::A);
pub const DOWNWARDS_DOUBLE_ARROW: Rel = Rel::new('⇓', RelCategory::A);
pub const LEFT_RIGHT_DOUBLE_ARROW: Rel = Rel::new('⇔', RelCategory::A);
pub const UP_DOWN_DOUBLE_ARROW: Rel = Rel::new('⇕', RelCategory::A);
pub const NORTH_WEST_DOUBLE_ARROW: Rel = Rel::new('⇖', RelCategory::Default);
pub const NORTH_EAST_DOUBLE_ARROW: Rel = Rel::new('⇗', RelCategory::Default);
pub const SOUTH_EAST_DOUBLE_ARROW: Rel = Rel::new('⇘', RelCategory::Default);
pub const SOUTH_WEST_DOUBLE_ARROW: Rel = Rel::new('⇙', RelCategory::Default);
pub const LEFTWARDS_TRIPLE_ARROW: Rel = Rel::new('⇚', RelCategory::A);
pub const RIGHTWARDS_TRIPLE_ARROW: Rel = Rel::new('⇛', RelCategory::A);
pub const LEFTWARDS_SQUIGGLE_ARROW: Rel = Rel::new('⇜', RelCategory::A);
pub const RIGHTWARDS_SQUIGGLE_ARROW: Rel = Rel::new('⇝', RelCategory::A);
//pub const UPWARDS_ARROW_WITH_DOUBLE_STROKE: Rel = Rel::new('⇞', RelCategory::A);
// pub const DOWNWARDS_ARROW_WITH_DOUBLE_STROKE: Rel = Rel::new('⇟', RelCategory::A);
pub const LEFTWARDS_DASHED_ARROW: Rel = Rel::new('⇠', RelCategory::A);
// pub const UPWARDS_DASHED_ARROW: Rel = Rel::new('⇡', RelCategory::Default);
pub const RIGHTWARDS_DASHED_ARROW: Rel = Rel::new('⇢', RelCategory::A);
// pub const DOWNWARDS_DASHED_ARROW: Rel = Rel::new('⇣', RelCategory::Default);
pub const LEFTWARDS_ARROW_TO_BAR: Rel = Rel::new('⇤', RelCategory::A);
pub const RIGHTWARDS_ARROW_TO_BAR: Rel = Rel::new('⇥', RelCategory::A);
// pub const LEFTWARDS_WHITE_ARROW: Rel = Rel::new('⇦', RelCategory::Default);
// pub const UPWARDS_WHITE_ARROW: Rel = Rel::new('⇧', RelCategory::Default);
// pub const RIGHTWARDS_WHITE_ARROW: Rel = Rel::new('⇨', RelCategory::Default);
// pub const DOWNWARDS_WHITE_ARROW: Rel = Rel::new('⇩', RelCategory::Default);
// pub const UPWARDS_WHITE_ARROW_FROM_BAR: Rel = Rel::new('⇪', RelCategory::Default);
// pub const UPWARDS_WHITE_ARROW_ON_PEDESTAL: Rel = Rel::new('⇫', RelCategory::Default);
// pub const UPWARDS_WHITE_ARROW_ON_PEDESTAL_WITH_HORIZONTAL_BAR: Rel = Rel::new('⇬', RelCategory::Default);
// pub const UPWARDS_WHITE_ARROW_ON_PEDESTAL_WITH_VERTICAL_BAR: Rel = Rel::new('⇭', RelCategory::Default);
// pub const UPWARDS_WHITE_DOUBLE_ARROW: Rel = Rel::new('⇮', RelCategory::Default);
// pub const UPWARDS_WHITE_DOUBLE_ARROW_ON_PEDESTAL: Rel = Rel::new('⇯', RelCategory::Default);
// pub const RIGHTWARDS_WHITE_ARROW_FROM_WALL: Rel = Rel::new('⇰', RelCategory::Default);
// pub const NORTH_WEST_ARROW_TO_CORNER: Rel = Rel::new('⇱', RelCategory::Default);
// pub const SOUTH_EAST_ARROW_TO_CORNER: Rel = Rel::new('⇲', RelCategory::Default);
// pub const UP_DOWN_WHITE_ARROW: Rel = Rel::new('⇳', RelCategory::Default);
pub const RIGHT_ARROW_WITH_SMALL_CIRCLE: Rel = Rel::new('⇴', RelCategory::A);
pub const DOWNWARDS_ARROW_LEFTWARDS_OF_UPWARDS_ARROW: Rel = Rel::new('⇵', RelCategory::A);
pub const THREE_RIGHTWARDS_ARROWS: Rel = Rel::new('⇶', RelCategory::A);
pub const LEFTWARDS_ARROW_WITH_VERTICAL_STROKE: Rel = Rel::new('⇷', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_VERTICAL_STROKE: Rel = Rel::new('⇸', RelCategory::A);
pub const LEFT_RIGHT_ARROW_WITH_VERTICAL_STROKE: Rel = Rel::new('⇹', RelCategory::A);
pub const LEFTWARDS_ARROW_WITH_DOUBLE_VERTICAL_STROKE: Rel = Rel::new('⇺', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_DOUBLE_VERTICAL_STROKE: Rel = Rel::new('⇻', RelCategory::A);
pub const LEFT_RIGHT_ARROW_WITH_DOUBLE_VERTICAL_STROKE: Rel = Rel::new('⇼', RelCategory::A);
pub const LEFTWARDS_OPEN_HEADED_ARROW: Rel = Rel::new('⇽', RelCategory::A);
pub const RIGHTWARDS_OPEN_HEADED_ARROW: Rel = Rel::new('⇾', RelCategory::A);
pub const LEFT_RIGHT_OPEN_HEADED_ARROW: Rel = Rel::new('⇿', RelCategory::A);

//
// Unicode Block: Mathematical Operators
//
pub const FOR_ALL: OrdLike = OrdLike::new('∀', OrdCategory::D);
pub const COMPLEMENT: OrdLike = OrdLike::new('∁', OrdCategory::D);
pub const PARTIAL_DIFFERENTIAL: char = '∂'; // char so that it can be transformed
pub const THERE_EXISTS: OrdLike = OrdLike::new('∃', OrdCategory::D);
pub const THERE_DOES_NOT_EXIST: OrdLike = OrdLike::new('∄', OrdCategory::D);
pub const EMPTY_SET: char = '∅';
pub const EMPTY_SET_ZERO_WITH_LONG_DIAGONAL_STROKE_OVERLAY_FORM: SuperChar =
    SuperChar::from_char_with_vs(EMPTY_SET, VariationSelector::Vs1);

// pub const INCREMENT: Ord = ord('∆');
pub const NABLA: char = '∇'; // char so that it can be transformed
pub const ELEMENT_OF: Rel = Rel::new('∈', RelCategory::Default);
pub const NOT_AN_ELEMENT_OF: Rel = Rel::new('∉', RelCategory::Default);
pub const SMALL_ELEMENT_OF: Rel = Rel::new('∊', RelCategory::Default);
pub const CONTAINS_AS_MEMBER: Rel = Rel::new('∋', RelCategory::Default);
pub const DOES_NOT_CONTAIN_AS_MEMBER: Rel = Rel::new('∌', RelCategory::Default);
pub const SMALL_CONTAINS_AS_MEMBER: Rel = Rel::new('∍', RelCategory::Default);
// pub const END_OF_PROOF: Ord = ord('∎');
pub const N_ARY_PRODUCT: Op = Op::new('∏', OpCategory::J);
pub const N_ARY_COPRODUCT: Op = Op::new('∐', OpCategory::J);
pub const N_ARY_SUMMATION: Op = Op::new('∑', OpCategory::J);
pub const MINUS_SIGN: Bin = Bin::new('−', BinCategory::BD);
pub const MINUS_OR_PLUS_SIGN: Bin = Bin::new('∓', BinCategory::BD);
pub const DOT_PLUS: Bin = Bin::new('∔', BinCategory::B);
pub const DIVISION_SLASH: Bin = Bin::new('∕', BinCategory::B);
pub const SET_MINUS: Bin = Bin::new('∖', BinCategory::B);
pub const ASTERISK_OPERATOR: Op = Op::new('∗', OpCategory::C);
pub const RING_OPERATOR: Op = Op::new('∘', OpCategory::C);
pub const BULLET_OPERATOR: Op = Op::new('∙', OpCategory::C);
// pub const SQUARE_ROOT: Op = Op::new('√', OpCategory::C);
// pub const CUBE_ROOT: Op = Op('∛');
// pub const FOURTH_ROOT: Op = Op('∜');
pub const PROPORTIONAL_TO: Rel = Rel::new('∝', RelCategory::Default);
pub const INFINITY: char = '∞';
// pub const RIGHT_ANGLE: Op = Op('∟');
pub const ANGLE: char = '∠';
pub const MEASURED_ANGLE: char = '∡';
pub const SPHERICAL_ANGLE: char = '∢';
pub const DIVIDES: Rel = Rel::new('∣', RelCategory::Default);
pub const DOES_NOT_DIVIDE: Rel = Rel::new('∤', RelCategory::Default);
pub const PARALLEL_TO: Rel = Rel::new('∥', RelCategory::Default);
pub const NOT_PARALLEL_TO: Rel = Rel::new('∦', RelCategory::Default);
pub const LOGICAL_AND: Bin = Bin::new('∧', BinCategory::B);
pub const LOGICAL_OR: Bin = Bin::new('∨', BinCategory::B);
pub const INTERSECTION: Bin = Bin::new('∩', BinCategory::B);
pub const UNION: Bin = Bin::new('∪', BinCategory::B);
pub const INTEGRAL: Op = Op::new('∫', OpCategory::H);
pub const DOUBLE_INTEGRAL: Op = Op::new('∬', OpCategory::H);
pub const TRIPLE_INTEGRAL: Op = Op::new('∭', OpCategory::H);
pub const CONTOUR_INTEGRAL: Op = Op::new('∮', OpCategory::H);
pub const SURFACE_INTEGRAL: Op = Op::new('∯', OpCategory::H);
pub const VOLUME_INTEGRAL: Op = Op::new('∰', OpCategory::H);
pub const CLOCKWISE_INTEGRAL: Op = Op::new('∱', OpCategory::H);
pub const CLOCKWISE_CONTOUR_INTEGRAL: Op = Op::new('∲', OpCategory::H);
pub const ANTICLOCKWISE_CONTOUR_INTEGRAL: Op = Op::new('∳', OpCategory::H);
pub const THEREFORE: OrdLike = OrdLike::new('∴', OrdCategory::D);
pub const BECAUSE: OrdLike = OrdLike::new('∵', OrdCategory::D);
pub const RATIO: Bin = Bin::new('∶', BinCategory::B);
pub const PROPORTION: Rel = Rel::new('∷', RelCategory::Default);
pub const DOT_MINUS: Bin = Bin::new('∸', BinCategory::B);
pub const EXCESS: Rel = Rel::new('∹', RelCategory::Default);
pub const GEOMETRIC_PROPORTION: Rel = Rel::new('∺', RelCategory::Default);
pub const HOMOTHETIC: Rel = Rel::new('∻', RelCategory::Default);
pub const TILDE_OPERATOR: Rel = Rel::new('∼', RelCategory::DandForceDefault);
pub const REVERSED_TILDE: Rel = Rel::new('∽', RelCategory::Default);
pub const INVERTED_LAZY_S: MathMLOperator = MathMLOperator::from_char('∾');
// pub const SINE_WAVE: Op = Op('∿');
pub const WREATH_PRODUCT: Op = Op::new('≀', OpCategory::C);
pub const NOT_TILDE: Rel = Rel::new('≁', RelCategory::Default);
pub const MINUS_TILDE: Rel = Rel::new('≂', RelCategory::Default);
pub const ASYMPTOTICALLY_EQUAL_TO: Rel = Rel::new('≃', RelCategory::Default);
pub const NOT_ASYMPTOTICALLY_EQUAL_TO: Rel = Rel::new('≄', RelCategory::Default);
pub const APPROXIMATELY_EQUAL_TO: Rel = Rel::new('≅', RelCategory::Default);
pub const APPROXIMATELY_BUT_NOT_ACTUALLY_EQUAL_TO: Rel = Rel::new('≆', RelCategory::Default);
pub const NEITHER_APPROXIMATELY_NOR_ACTUALLY_EQUAL_TO: Rel = Rel::new('≇', RelCategory::Default);
pub const ALMOST_EQUAL_TO: Rel = Rel::new('≈', RelCategory::Default);
pub const NOT_ALMOST_EQUAL_TO: Rel = Rel::new('≉', RelCategory::Default);
pub const ALMOST_EQUAL_OR_EQUAL_TO: Rel = Rel::new('≊', RelCategory::Default);
pub const TRIPLE_TILDE: Rel = Rel::new('≋', RelCategory::Default);
pub const ALL_EQUAL_TO: Rel = Rel::new('≌', RelCategory::Default);
pub const EQUIVALENT_TO: Rel = Rel::new('≍', RelCategory::Default);
pub const GEOMETRICALLY_EQUIVALENT_TO: Rel = Rel::new('≎', RelCategory::Default);
pub const DIFFERENCE_BETWEEN: Rel = Rel::new('≏', RelCategory::Default);
pub const APPROACHES_THE_LIMIT: Rel = Rel::new('≐', RelCategory::Default);
pub const GEOMETRICALLY_EQUAL_TO: Rel = Rel::new('≑', RelCategory::Default);
pub const APPROXIMATELY_EQUAL_TO_OR_THE_IMAGE_OF: Rel = Rel::new('≒', RelCategory::Default);
pub const IMAGE_OF_OR_APPROXIMATELY_EQUAL_TO: Rel = Rel::new('≓', RelCategory::Default);
pub const COLON_EQUALS: Rel = Rel::new('≔', RelCategory::Default);
pub const EQUALS_COLON: Rel = Rel::new('≕', RelCategory::Default);
pub const RING_IN_EQUAL_TO: Rel = Rel::new('≖', RelCategory::Default);
pub const RING_EQUAL_TO: Rel = Rel::new('≗', RelCategory::Default);
pub const CORRESPONDS_TO: Rel = Rel::new('≘', RelCategory::Default);
pub const ESTIMATES: Rel = Rel::new('≙', RelCategory::Default);
pub const EQUIANGULAR_TO: Rel = Rel::new('≚', RelCategory::Default);
pub const STAR_EQUALS: Rel = Rel::new('≛', RelCategory::Default);
pub const DELTA_EQUAL_TO: Rel = Rel::new('≜', RelCategory::Default);
pub const EQUAL_TO_BY_DEFINITION: Rel = Rel::new('≝', RelCategory::Default);
pub const MEASURED_BY: Rel = Rel::new('≞', RelCategory::Default);
pub const QUESTIONED_EQUAL_TO: Rel = Rel::new('≟', RelCategory::Default);
pub const NOT_EQUAL_TO: Rel = Rel::new('≠', RelCategory::Default);
pub const IDENTICAL_TO: Rel = Rel::new('≡', RelCategory::Default);
pub const NOT_IDENTICAL_TO: Rel = Rel::new('≢', RelCategory::Default);
pub const STRICTLY_EQUIVALENT_TO: Rel = Rel::new('≣', RelCategory::Default);
pub const LESS_THAN_OR_EQUAL_TO: Rel = Rel::new('≤', RelCategory::Default);
pub const GREATER_THAN_OR_EQUAL_TO: Rel = Rel::new('≥', RelCategory::Default);
pub const LESS_THAN_OVER_EQUAL_TO: Rel = Rel::new('≦', RelCategory::Default);
pub const GREATER_THAN_OVER_EQUAL_TO: Rel = Rel::new('≧', RelCategory::Default);
pub const LESS_THAN_BUT_NOT_EQUAL_TO: Rel = Rel::new('≨', RelCategory::Default);
pub const LESS_THAN_BUT_NOT_EQUAL_TO_WITH_VERTICAL_STROKE: Rel =
    Rel::new_vs1('≨', RelCategory::Default);
pub const GREATER_THAN_BUT_NOT_EQUAL_TO: Rel = Rel::new('≩', RelCategory::Default);
pub const GREATER_THAN_BUT_NOT_EQUAL_TO_WITH_VERTICAL_STROKE: Rel =
    Rel::new_vs1('≩', RelCategory::Default);
pub const MUCH_LESS_THAN: Rel = Rel::new('≪', RelCategory::Default);
pub const MUCH_GREATER_THAN: Rel = Rel::new('≫', RelCategory::Default);
pub const BETWEEN: Rel = Rel::new('≬', RelCategory::Default);
pub const NOT_EQUIVALENT_TO: Rel = Rel::new('≭', RelCategory::Default);
pub const NOT_LESS_THAN: Rel = Rel::new('≮', RelCategory::Default);
pub const NOT_GREATER_THAN: Rel = Rel::new('≯', RelCategory::Default);
pub const NEITHER_LESS_THAN_NOR_EQUAL_TO: Rel = Rel::new('≰', RelCategory::Default);
pub const NEITHER_GREATER_THAN_NOR_EQUAL_TO: Rel = Rel::new('≱', RelCategory::Default);
pub const LESS_THAN_OR_EQUIVALENT_TO: Rel = Rel::new('≲', RelCategory::Default);
pub const GREATER_THAN_OR_EQUIVALENT_TO: Rel = Rel::new('≳', RelCategory::Default);
pub const NEITHER_LESS_THAN_NOR_EQUIVALENT_TO: Rel = Rel::new('≴', RelCategory::Default);
pub const NEITHER_GREATER_THAN_NOR_EQUIVALENT_TO: Rel = Rel::new('≵', RelCategory::Default);
pub const LESS_THAN_OR_GREATER_THAN: Rel = Rel::new('≶', RelCategory::Default);
pub const GREATER_THAN_OR_LESS_THAN: Rel = Rel::new('≷', RelCategory::Default);
pub const NEITHER_LESS_THAN_NOR_GREATER_THAN: Rel = Rel::new('≸', RelCategory::Default);
pub const NEITHER_GREATER_THAN_NOR_LESS_THAN: Rel = Rel::new('≹', RelCategory::Default);
pub const PRECEDES: Rel = Rel::new('≺', RelCategory::Default);
pub const SUCCEEDS: Rel = Rel::new('≻', RelCategory::Default);
pub const PRECEDES_OR_EQUAL_TO: Rel = Rel::new('≼', RelCategory::Default);
pub const SUCCEEDS_OR_EQUAL_TO: Rel = Rel::new('≽', RelCategory::Default);
pub const PRECEDES_OR_EQUIVALENT_TO: Rel = Rel::new('≾', RelCategory::Default);
pub const SUCCEEDS_OR_EQUIVALENT_TO: Rel = Rel::new('≿', RelCategory::Default);
pub const DOES_NOT_PRECEDE: Rel = Rel::new('⊀', RelCategory::Default);
pub const DOES_NOT_SUCCEED: Rel = Rel::new('⊁', RelCategory::Default);
pub const SUBSET_OF: Rel = Rel::new('⊂', RelCategory::Default);
pub const SUPERSET_OF: Rel = Rel::new('⊃', RelCategory::Default);
pub const NOT_A_SUBSET_OF: Rel = Rel::new('⊄', RelCategory::Default);
pub const NOT_A_SUPERSET_OF: Rel = Rel::new('⊅', RelCategory::Default);
pub const SUBSET_OF_OR_EQUAL_TO: Rel = Rel::new('⊆', RelCategory::Default);
pub const SUPERSET_OF_OR_EQUAL_TO: Rel = Rel::new('⊇', RelCategory::Default);
pub const NEITHER_A_SUBSET_OF_NOR_EQUAL_TO: Rel = Rel::new('⊈', RelCategory::Default);
pub const NEITHER_A_SUPERSET_OF_NOR_EQUAL_TO: Rel = Rel::new('⊉', RelCategory::Default);
pub const SUBSET_OF_WITH_NOT_EQUAL_TO: Rel = Rel::new('⊊', RelCategory::Default);
pub const SUBSET_OF_WITH_NOT_EQUAL_TO_WITH_STROKE_THROUGH_BOTTOM_MEMBERS: Rel =
    Rel::new_vs1('⊊', RelCategory::Default);

pub const SUPERSET_OF_WITH_NOT_EQUAL_TO: Rel = Rel::new('⊋', RelCategory::Default);
pub const SUPERSET_OF_WITH_NOT_EQUAL_TO_WITH_STROKE_THROUGH_BOTTOM_MEMBERS: Rel =
    Rel::new_vs1('⊋', RelCategory::Default);
pub const MULTISET: Bin = Bin::new('⊌', BinCategory::B);
pub const MULTISET_MULTIPLICATION: Bin = Bin::new('⊍', BinCategory::B);
pub const MULTISET_UNION: Bin = Bin::new('⊎', BinCategory::B);
pub const SQUARE_IMAGE_OF: Rel = Rel::new('⊏', RelCategory::Default);
pub const SQUARE_ORIGINAL_OF: Rel = Rel::new('⊐', RelCategory::Default);
pub const SQUARE_IMAGE_OF_OR_EQUAL_TO: Rel = Rel::new('⊑', RelCategory::Default);
pub const SQUARE_ORIGINAL_OF_OR_EQUAL_TO: Rel = Rel::new('⊒', RelCategory::Default);
pub const SQUARE_CAP: Bin = Bin::new('⊓', BinCategory::B);
pub const SQUARE_CUP: Bin = Bin::new('⊔', BinCategory::B);
pub const CIRCLED_PLUS: Bin = Bin::new('⊕', BinCategory::B);
pub const CIRCLED_MINUS: Bin = Bin::new('⊖', BinCategory::B);
pub const CIRCLED_TIMES: Op = Op::new('⊗', OpCategory::C);
pub const CIRCLED_DIVISION_SLASH: Bin = Bin::new('⊘', BinCategory::B);
pub const CIRCLED_DOT_OPERATOR: Op = Op::new('⊙', OpCategory::C);
pub const CIRCLED_RING_OPERATOR: Op = Op::new('⊚', OpCategory::C);
pub const CIRCLED_ASTERISK_OPERATOR: Op = Op::new('⊛', OpCategory::C);
pub const CIRCLED_EQUALS: Rel = Rel::new('⊜', RelCategory::Default);
pub const CIRCLED_DASH: Bin = Bin::new('⊝', BinCategory::B);
pub const SQUARED_PLUS: Bin = Bin::new('⊞', BinCategory::B);
pub const SQUARED_MINUS: Bin = Bin::new('⊟', BinCategory::B);
pub const SQUARED_TIMES: Op = Op::new('⊠', OpCategory::C);
pub const SQUARED_DOT_OPERATOR: Op = Op::new('⊡', OpCategory::C);
pub const RIGHT_TACK: Rel = Rel::new('⊢', RelCategory::Default);
pub const LEFT_TACK: Rel = Rel::new('⊣', RelCategory::Default);
pub const DOWN_TACK: char = '⊤';
pub const UP_TACK: char = '⊥';
pub const ASSERTION: Rel = Rel::new('⊦', RelCategory::Default);
pub const MODELS: Rel = Rel::new('⊧', RelCategory::Default);
pub const TRUE: Rel = Rel::new('⊨', RelCategory::Default);
pub const FORCES: Rel = Rel::new('⊩', RelCategory::Default);
pub const TRIPLE_VERTICAL_BAR_RIGHT_TURNSTILE: Rel = Rel::new('⊪', RelCategory::Default);
pub const DOUBLE_VERTICAL_BAR_DOUBLE_RIGHT_TURNSTILE: Rel = Rel::new('⊫', RelCategory::Default);
pub const DOES_NOT_PROVE: Rel = Rel::new('⊬', RelCategory::Default);
pub const NOT_TRUE: Rel = Rel::new('⊭', RelCategory::Default);
pub const DOES_NOT_FORCE: Rel = Rel::new('⊮', RelCategory::Default);
pub const NEGATED_DOUBLE_VERTICAL_BAR_DOUBLE_RIGHT_TURNSTILE: Rel =
    Rel::new('⊯', RelCategory::Default);
pub const PRECEDES_UNDER_RELATION: Rel = Rel::new('⊰', RelCategory::Default);
pub const SUCCEEDS_UNDER_RELATION: Rel = Rel::new('⊱', RelCategory::Default);
pub const NORMAL_SUBGROUP_OF: Rel = Rel::new('⊲', RelCategory::Default);
pub const CONTAINS_AS_NORMAL_SUBGROUP: Rel = Rel::new('⊳', RelCategory::Default);
pub const NORMAL_SUBGROUP_OF_OR_EQUAL_TO: Rel = Rel::new('⊴', RelCategory::Default);
pub const CONTAINS_AS_NORMAL_SUBGROUP_OR_EQUAL_TO: Rel = Rel::new('⊵', RelCategory::Default);
pub const ORIGINAL_OF: Rel = Rel::new('⊶', RelCategory::Default);
pub const IMAGE_OF: Rel = Rel::new('⊷', RelCategory::Default);
pub const MULTIMAP: Rel = Rel::new('⊸', RelCategory::Default);
// pub const HERMITIAN_CONJUGATE_MATRIX: Op = Op('⊹');
pub const INTERCALATE: Op = Op::new('⊺', OpCategory::C);
pub const XOR: Bin = Bin::new('⊻', BinCategory::B);
pub const NAND: Bin = Bin::new('⊼', BinCategory::B);
pub const NOR: Bin = Bin::new('⊽', BinCategory::B);
// pub const RIGHT_ANGLE_WITH_ARC: Op = Op('⊾');
// pub const RIGHT_TRIANGLE: Op = Op('⊿');
pub const N_ARY_LOGICAL_AND: Op = Op::new('⋀', OpCategory::J);
pub const N_ARY_LOGICAL_OR: Op = Op::new('⋁', OpCategory::J);
pub const N_ARY_INTERSECTION: Op = Op::new('⋂', OpCategory::J);
pub const N_ARY_UNION: Op = Op::new('⋃', OpCategory::J);
pub const DIAMOND_OPERATOR: Op = Op::new('⋄', OpCategory::C);
pub const DOT_OPERATOR: Op = Op::new('⋅', OpCategory::C);
pub const STAR_OPERATOR: Op = Op::new('⋆', OpCategory::C);
pub const DIVISION_TIMES: Op = Op::new('⋇', OpCategory::C);
pub const BOWTIE: Rel = Rel::new('⋈', RelCategory::Default);
pub const LEFT_NORMAL_FACTOR_SEMIDIRECT_PRODUCT: Op = Op::new('⋉', OpCategory::C);
pub const RIGHT_NORMAL_FACTOR_SEMIDIRECT_PRODUCT: Op = Op::new('⋊', OpCategory::C);
pub const LEFT_SEMIDIRECT_PRODUCT: Op = Op::new('⋋', OpCategory::C);
pub const RIGHT_SEMIDIRECT_PRODUCT: Op = Op::new('⋌', OpCategory::C);
pub const REVERSED_TILDE_EQUALS: Rel = Rel::new('⋍', RelCategory::Default);
pub const CURLY_LOGICAL_OR: Bin = Bin::new('⋎', BinCategory::B);
pub const CURLY_LOGICAL_AND: Bin = Bin::new('⋏', BinCategory::B);
pub const DOUBLE_SUBSET: Rel = Rel::new('⋐', RelCategory::Default);
pub const DOUBLE_SUPERSET: Rel = Rel::new('⋑', RelCategory::Default);
pub const DOUBLE_INTERSECTION: Bin = Bin::new('⋒', BinCategory::B);
pub const DOUBLE_UNION: Bin = Bin::new('⋓', BinCategory::B);
pub const PITCHFORK: Rel = Rel::new('⋔', RelCategory::Default);
pub const EQUAL_AND_PARALLEL_TO: Rel = Rel::new('⋕', RelCategory::Default);
pub const LESS_THAN_WITH_DOT: Rel = Rel::new('⋖', RelCategory::Default);
pub const GREATER_THAN_WITH_DOT: Rel = Rel::new('⋗', RelCategory::Default);
pub const VERY_MUCH_LESS_THAN: Rel = Rel::new('⋘', RelCategory::Default);
pub const VERY_MUCH_GREATER_THAN: Rel = Rel::new('⋙', RelCategory::Default);
pub const LESS_THAN_EQUAL_TO_OR_GREATER_THAN: Rel = Rel::new('⋚', RelCategory::Default);
pub const GREATER_THAN_EQUAL_TO_OR_LESS_THAN: Rel = Rel::new('⋛', RelCategory::Default);
pub const EQUAL_TO_OR_LESS_THAN: Rel = Rel::new('⋜', RelCategory::Default);
pub const EQUAL_TO_OR_GREATER_THAN: Rel = Rel::new('⋝', RelCategory::Default);
pub const EQUAL_TO_OR_PRECEDES: Rel = Rel::new('⋞', RelCategory::Default);
pub const EQUAL_TO_OR_SUCCEEDS: Rel = Rel::new('⋟', RelCategory::Default);
pub const DOES_NOT_PRECEDE_OR_EQUAL: Rel = Rel::new('⋠', RelCategory::Default);
pub const DOES_NOT_SUCCEED_OR_EQUAL: Rel = Rel::new('⋡', RelCategory::Default);
pub const NOT_SQUARE_IMAGE_OF_OR_EQUAL_TO: Rel = Rel::new('⋢', RelCategory::Default);
pub const NOT_SQUARE_ORIGINAL_OF_OR_EQUAL_TO: Rel = Rel::new('⋣', RelCategory::Default);
pub const SQUARE_IMAGE_OF_OR_NOT_EQUAL_TO: Rel = Rel::new('⋤', RelCategory::Default);
pub const SQUARE_ORIGINAL_OF_OR_NOT_EQUAL_TO: Rel = Rel::new('⋥', RelCategory::Default);
pub const LESS_THAN_BUT_NOT_EQUIVALENT_TO: Rel = Rel::new('⋦', RelCategory::Default);
pub const GREATER_THAN_BUT_NOT_EQUIVALENT_TO: Rel = Rel::new('⋧', RelCategory::Default);
pub const PRECEDES_BUT_NOT_EQUIVALENT_TO: Rel = Rel::new('⋨', RelCategory::Default);
pub const SUCCEEDS_BUT_NOT_EQUIVALENT_TO: Rel = Rel::new('⋩', RelCategory::Default);
pub const NOT_NORMAL_SUBGROUP_OF: Rel = Rel::new('⋪', RelCategory::Default);
pub const DOES_NOT_CONTAIN_AS_NORMAL_SUBGROUP: Rel = Rel::new('⋫', RelCategory::Default);
pub const NOT_NORMAL_SUBGROUP_OF_OR_EQUAL_TO: Rel = Rel::new('⋬', RelCategory::Default);
pub const DOES_NOT_CONTAIN_AS_NORMAL_SUBGROUP_OR_EQUAL: Rel = Rel::new('⋭', RelCategory::Default);
pub const VERTICAL_ELLIPSIS: Rel = Rel::new('⋮', RelCategory::Default);
pub const MIDLINE_HORIZONTAL_ELLIPSIS: Rel = Rel::new('⋯', RelCategory::Default);
pub const UP_RIGHT_DIAGONAL_ELLIPSIS: Rel = Rel::new('⋰', RelCategory::Default);
pub const DOWN_RIGHT_DIAGONAL_ELLIPSIS: Rel = Rel::new('⋱', RelCategory::Default);
pub const ELEMENT_OF_WITH_LONG_HORIZONTAL_STROKE: Rel = Rel::new('⋲', RelCategory::Default);
pub const ELEMENT_OF_WITH_VERTICAL_BAR_AT_END_OF_HORIZONTAL_STROKE: Rel =
    Rel::new('⋳', RelCategory::Default);
pub const SMALL_ELEMENT_OF_WITH_VERTICAL_BAR_AT_END_OF_HORIZONTAL_STROKE: Rel =
    Rel::new('⋴', RelCategory::Default);
pub const ELEMENT_OF_WITH_DOT_ABOVE: Rel = Rel::new('⋵', RelCategory::Default);
pub const ELEMENT_OF_WITH_OVERBAR: Rel = Rel::new('⋶', RelCategory::Default);
pub const SMALL_ELEMENT_OF_WITH_OVERBAR: Rel = Rel::new('⋷', RelCategory::Default);
pub const ELEMENT_OF_WITH_UNDERBAR: Rel = Rel::new('⋸', RelCategory::Default);
pub const ELEMENT_OF_WITH_TWO_HORIZONTAL_STROKES: Rel = Rel::new('⋹', RelCategory::Default);
pub const CONTAINS_WITH_LONG_HORIZONTAL_STROKE: Rel = Rel::new('⋺', RelCategory::Default);
pub const CONTAINS_WITH_VERTICAL_BAR_AT_END_OF_HORIZONTAL_STROKE: Rel =
    Rel::new('⋻', RelCategory::Default);
pub const SMALL_CONTAINS_WITH_VERTICAL_BAR_AT_END_OF_HORIZONTAL_STROKE: Rel =
    Rel::new('⋼', RelCategory::Default);
pub const CONTAINS_WITH_OVERBAR: Rel = Rel::new('⋽', RelCategory::Default);
pub const SMALL_CONTAINS_WITH_OVERBAR: Rel = Rel::new('⋾', RelCategory::Default);
pub const Z_NOTATION_BAG_MEMBERSHIP: Rel = Rel::new('⋿', RelCategory::Default);

//
// Unicode Block: Miscellaneous Technical
//

// pub const PROJECTIVE: Op = Op::new('⌅', OpCategory::C);
// pub const PERSPECTIVE: Op = Op::new('⌆', OpCategory::C);

pub const LEFT_CEILING: OrdLike = OrdLike::new('⌈', OrdCategory::F);
pub const RIGHT_CEILING: OrdLike = OrdLike::new('⌉', OrdCategory::G);
pub const LEFT_FLOOR: OrdLike = OrdLike::new('⌊', OrdCategory::F);
pub const RIGHT_FLOOR: OrdLike = OrdLike::new('⌋', OrdCategory::G);
pub const TOP_LEFT_CORNER: MathMLOperator = MathMLOperator::from_char('⌜');
pub const TOP_RIGHT_CORNER: MathMLOperator = MathMLOperator::from_char('⌝');
pub const BOTTOM_LEFT_CORNER: MathMLOperator = MathMLOperator::from_char('⌞');
pub const BOTTOM_RIGHT_CORNER: MathMLOperator = MathMLOperator::from_char('⌟');
pub const FROWN: OrdLike = OrdLike::new('⌢', OrdCategory::I);
pub const SMILE: OrdLike = OrdLike::new('⌣', OrdCategory::I);

// pub const APL_FUNCTIONAL_SYMBOL_CIRCLE_STILE: MathMLOperator = MathMLOperator::from_char('⌽');

pub const UPPER_LEFT_OR_LOWER_RIGHT_CURLY_BRACKET_SECTION: MathMLOperator =
    MathMLOperator::from_char('⎰');
pub const UPPER_RIGHT_OR_LOWER_LEFT_CURLY_BRACKET_SECTION: MathMLOperator =
    MathMLOperator::from_char('⎱');
pub const TOP_SQUARE_BRACKET: OrdLike = OrdLike::new('⎴', OrdCategory::I);
pub const BOTTOM_SQUARE_BRACKET: OrdLike = OrdLike::new('⎵', OrdCategory::I);
pub const TOP_PARENTHESIS: OrdLike = OrdLike::new('⏜', OrdCategory::I);
pub const BOTTOM_PARENTHESIS: OrdLike = OrdLike::new('⏝', OrdCategory::I);
pub const TOP_CURLY_BRACKET: OrdLike = OrdLike::new('⏞', OrdCategory::I);
pub const BOTTOM_CURLY_BRACKET: OrdLike = OrdLike::new('⏟', OrdCategory::I);
pub const TOP_TORTOISE_SHELL_BRACKET: OrdLike = OrdLike::new('⏠', OrdCategory::I);
pub const BOTTOM_TORTOISE_SHELL_BRACKET: OrdLike = OrdLike::new('⏡', OrdCategory::I);

//
// Unicode Block: Enclosed Alphanumerics
//
pub const CIRCLED_LATIN_CAPITAL_LETTER_R: char = 'Ⓡ'; // not treated as operator
pub const CIRCLED_LATIN_CAPITAL_LETTER_S: char = 'Ⓢ'; // not treated as operator

//
// Unicode Block: Geometric Shapes
//
pub const BLACK_SQUARE: char = '■';
pub const WHITE_SQUARE: char = '□';

pub const BLACK_UP_POINTING_TRIANGLE: char = '▲';
pub const WHITE_UP_POINTING_TRIANGLE: MathMLOperator = MathMLOperator::from_char('△');

pub const BLACK_RIGHT_POINTING_TRIANGLE: MathMLOperator = MathMLOperator::from_char('▶');
pub const WHITE_RIGHT_POINTING_TRIANGLE: MathMLOperator = MathMLOperator::from_char('▷');

pub const BLACK_DOWN_POINTING_TRIANGLE: char = '▼';
pub const WHITE_DOWN_POINTING_TRIANGLE: MathMLOperator = MathMLOperator::from_char('▽');

pub const BLACK_LEFT_POINTING_TRIANGLE: MathMLOperator = MathMLOperator::from_char('◀');
pub const WHITE_LEFT_POINTING_TRIANGLE: MathMLOperator = MathMLOperator::from_char('◁');

pub const LOZENGE: char = '◊';
pub const WHITE_CIRCLE: MathMLOperator = MathMLOperator::from_char('○');

pub const WHITE_SQUARE_WITH_VERTICAL_BISECTING_LINE: MathMLOperator =
    MathMLOperator::from_char('◫');
pub const LARGE_CIRCLE: char = '◯';

pub const WHITE_MEDIUM_SQUARE: char = '◻';

//
// Unicode Block: Miscellaneous Symbols
//
pub const BLACK_STAR: char = '★';

pub const ASCENDING_NODE: char = '☊';

pub const BLACK_SPADE_SUIT: char = '♠';
pub const WHITE_HEART_SUIT: char = '♡';
pub const WHITE_DIAMOND_SUIT: char = '♢';
pub const BLACK_CLUB_SUIT: char = '♣';
// pub const WHITE_SPADE_SUIT: char = '♤';
// pub const BLACK_HEART_SUIT: char = '♥';
// pub const BLACK_DIAMOND_SUIT: char = '♦';
// pub const WHITE_CLUB_SUIT: char = '♧';

pub const MUSIC_FLAT_SIGN: char = '♭';
pub const MUSIC_NATURAL_SIGN: char = '♮';
pub const MUSIC_SHARP_SIGN: char = '♯';

//
// Unicode Block: Dingbats
//
pub const CHECK_MARK: char = '✓';

pub const MALTESE_CROSS: char = '✠';

pub const LIGHT_LEFT_TORTOISE_SHELL_BRACKET_ORNAMENT: OrdLike = OrdLike::new('❲', OrdCategory::F);
pub const LIGHT_RIGHT_TORTOISE_SHELL_BRACKET_ORNAMENT: OrdLike = OrdLike::new('❳', OrdCategory::G);

//
// Unicode Block: Miscellaneous Mathematical Symbols-A
//
pub const PERPENDICULAR: Rel = Rel::new('⟂', RelCategory::Default);

pub const LEFT_S_SHAPED_BAG_DELIMITER: MathMLOperator = MathMLOperator::from_char('⟅');
pub const RIGHT_S_SHAPED_BAG_DELIMITER: MathMLOperator = MathMLOperator::from_char('⟆');
pub const OR_WITH_DOT_INSIDE: MathMLOperator = MathMLOperator::from_char('⟇');

pub const MATHEMATICAL_RISING_DIAGONAL: Op = Op::new('⟋', OpCategory::C);
pub const MATHEMATICAL_FALLING_DIAGONAL: Op = Op::new('⟍', OpCategory::C);

pub const REVERSE_SOLIDUS_PRECEDING_SUPERSET: Rel = Rel::new('⟈', RelCategory::Default);
pub const SUPERSET_PRECEDING_SOLIDUS: Rel = Rel::new('⟉', RelCategory::Default);

pub const AND_WITH_DOT: MathMLOperator = MathMLOperator::from_char('⟑');
pub const ELEMENT_OF_OPENING_UPWARDS: Rel = Rel::new('⟒', RelCategory::Default);

pub const LEFT_OUTER_JOIN: MathMLOperator = MathMLOperator::from_char('⟕');
pub const RIGHT_OUTER_JOIN: MathMLOperator = MathMLOperator::from_char('⟖');
pub const FULL_OUTER_JOIN: MathMLOperator = MathMLOperator::from_char('⟗');

pub const LARGE_UP_TACK: MathMLOperator = MathMLOperator::from_char('⟘');
pub const LARGE_DOWN_TACK: MathMLOperator = MathMLOperator::from_char('⟙');

pub const LEFT_AND_RIGHT_DOUBLE_TURNSTILE: Rel = Rel::new('⟚', RelCategory::Default);
pub const LEFT_AND_RIGHT_TACK: Rel = Rel::new('⟛', RelCategory::Default);
pub const LEFT_MULTIMAP: Rel = Rel::new('⟜', RelCategory::Default);
pub const LONG_RIGHT_TACK: Rel = Rel::new('⟝', RelCategory::Default);
pub const LONG_LEFT_TACK: Rel = Rel::new('⟞', RelCategory::Default);
pub const UP_TACK_WITH_CIRCLE_ABOVE: Rel = Rel::new('⟟', RelCategory::Default);

pub const MATHEMATICAL_LEFT_WHITE_SQUARE_BRACKET: OrdLike = OrdLike::new('⟦', OrdCategory::F);
pub const MATHEMATICAL_RIGHT_WHITE_SQUARE_BRACKET: OrdLike = OrdLike::new('⟧', OrdCategory::G);
pub const MATHEMATICAL_LEFT_ANGLE_BRACKET: OrdLike = OrdLike::new('⟨', OrdCategory::F);
pub const MATHEMATICAL_RIGHT_ANGLE_BRACKET: OrdLike = OrdLike::new('⟩', OrdCategory::G);
pub const MATHEMATICAL_LEFT_DOUBLE_ANGLE_BRACKET: OrdLike = OrdLike::new('⟪', OrdCategory::F);
pub const MATHEMATICAL_RIGHT_DOUBLE_ANGLE_BRACKET: OrdLike = OrdLike::new('⟫', OrdCategory::G);
pub const MATHEMATICAL_LEFT_WHITE_TORTOISE_SHELL_BRACKET: OrdLike =
    OrdLike::new('⟬', OrdCategory::F);
pub const MATHEMATICAL_RIGHT_WHITE_TORTOISE_SHELL_BRACKET: OrdLike =
    OrdLike::new('⟭', OrdCategory::G);
pub const MATHEMATICAL_LEFT_FLATTENED_PARENTHESIS: OrdLike = OrdLike::new('⟮', OrdCategory::F);
pub const MATHEMATICAL_RIGHT_FLATTENED_PARENTHESIS: OrdLike = OrdLike::new('⟯', OrdCategory::G);

//
// Unicode Block: Supplemental Arrows-A
//
pub const UPWARDS_QUADRUPLE_ARROW: Rel = Rel::new('⟰', RelCategory::A);
pub const DOWNWARDS_QUADRUPLE_ARROW: Rel = Rel::new('⟱', RelCategory::A);

pub const RIGHT_ARROW_WITH_CIRCLED_PLUS: Rel = Rel::new('⟴', RelCategory::A);
pub const ANTICLOCKWISE_GAPPED_CIRCLE_ARROW: Rel = Rel::new('⟲', RelCategory::Default);
pub const CLOCKWISE_GAPPED_CIRCLE_ARROW: Rel = Rel::new('⟳', RelCategory::Default);

pub const LONG_LEFTWARDS_ARROW: Rel = Rel::new('⟵', RelCategory::A);
pub const LONG_RIGHTWARDS_ARROW: Rel = Rel::new('⟶', RelCategory::A);
pub const LONG_LEFT_RIGHT_ARROW: Rel = Rel::new('⟷', RelCategory::A);
pub const LONG_LEFTWARDS_DOUBLE_ARROW: Rel = Rel::new('⟸', RelCategory::A);
pub const LONG_RIGHTWARDS_DOUBLE_ARROW: Rel = Rel::new('⟹', RelCategory::A);
pub const LONG_LEFT_RIGHT_DOUBLE_ARROW: Rel = Rel::new('⟺', RelCategory::A);
pub const LONG_LEFTWARDS_ARROW_FROM_BAR: Rel = Rel::new('⟻', RelCategory::A);
pub const LONG_RIGHTWARDS_ARROW_FROM_BAR: Rel = Rel::new('⟼', RelCategory::A);
pub const LONG_LEFTWARDS_DOUBLE_ARROW_FROM_BAR: Rel = Rel::new('⟽', RelCategory::A);
pub const LONG_RIGHTWARDS_DOUBLE_ARROW_FROM_BAR: Rel = Rel::new('⟾', RelCategory::A);
pub const LONG_RIGHTWARDS_SQUIGGLE_ARROW: Rel = Rel::new('⟿', RelCategory::A);

//
// Unicode Block: Supplemental Arrows-B
//
pub const RIGHTWARDS_TWO_HEADED_ARROW_WITH_VERTICAL_STROKE: Rel = Rel::new('⤀', RelCategory::A);
pub const RIGHTWARDS_TWO_HEADED_ARROW_WITH_DOUBLE_VERTICAL_STROKE: Rel =
    Rel::new('⤁', RelCategory::A);
pub const LEFTWARDS_DOUBLE_ARROW_WITH_VERTICAL_STROKE: Rel = Rel::new('⤂', RelCategory::A);
pub const RIGHTWARDS_DOUBLE_ARROW_WITH_VERTICAL_STROKE: Rel = Rel::new('⤃', RelCategory::A);
pub const LEFT_RIGHT_DOUBLE_ARROW_WITH_VERTICAL_STROKE: Rel = Rel::new('⤄', RelCategory::A);
pub const RIGHTWARDS_TWO_HEADED_ARROW_FROM_BAR: Rel = Rel::new('⤅', RelCategory::A);
pub const LEFTWARDS_DOUBLE_ARROW_FROM_BAR: Rel = Rel::new('⤆', RelCategory::A);
pub const RIGHTWARDS_DOUBLE_ARROW_FROM_BAR: Rel = Rel::new('⤇', RelCategory::A);
pub const DOWNWARDS_ARROW_WITH_HORIZONTAL_STROKE: Rel = Rel::new('⤈', RelCategory::A);
pub const UPWARDS_ARROW_WITH_HORIZONTAL_STROKE: Rel = Rel::new('⤉', RelCategory::A);
pub const UPWARDS_TRIPLE_ARROW: Rel = Rel::new('⤊', RelCategory::A);
pub const DOWNWARDS_TRIPLE_ARROW: Rel = Rel::new('⤋', RelCategory::A);
pub const LEFTWARDS_DOUBLE_DASH_ARROW: Rel = Rel::new('⤌', RelCategory::A);
pub const RIGHTWARDS_DOUBLE_DASH_ARROW: Rel = Rel::new('⤍', RelCategory::A);
pub const LEFTWARDS_TRIPLE_DASH_ARROW: Rel = Rel::new('⤎', RelCategory::A);
pub const RIGHTWARDS_TRIPLE_DASH_ARROW: Rel = Rel::new('⤏', RelCategory::A);
pub const RIGHTWARDS_TWO_HEADED_TRIPLE_DASH_ARROW: Rel = Rel::new('⤐', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_DOTTED_STEM: Rel = Rel::new('⤑', RelCategory::A);
pub const UPWARDS_ARROW_TO_BAR: Rel = Rel::new('⤒', RelCategory::A);
pub const DOWNWARDS_ARROW_TO_BAR: Rel = Rel::new('⤓', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_TAIL_WITH_VERTICAL_STROKE: Rel = Rel::new('⤔', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_TAIL_WITH_DOUBLE_VERTICAL_STROKE: Rel =
    Rel::new('⤕', RelCategory::A);
pub const RIGHTWARDS_TWO_HEADED_ARROW_WITH_TAIL: Rel = Rel::new('⤖', RelCategory::A);
pub const RIGHTWARDS_TWO_HEADED_ARROW_WITH_TAIL_WITH_VERTICAL_STROKE: Rel =
    Rel::new('⤗', RelCategory::A);
pub const RIGHTWARDS_TWO_HEADED_ARROW_WITH_TAIL_WITH_DOUBLE_VERTICAL_STROKE: Rel =
    Rel::new('⤘', RelCategory::A);

pub const LEFTWARDS_ARROW_TAIL: Rel = Rel::new('⤙', RelCategory::A);
pub const RIGHTWARDS_ARROW_TAIL: Rel = Rel::new('⤚', RelCategory::A);
pub const LEFTWARDS_DOUBLE_ARROW_TAIL: Rel = Rel::new('⤛', RelCategory::A);
pub const RIGHTWARDS_DOUBLE_ARROW_TAIL: Rel = Rel::new('⤜', RelCategory::A);

pub const LEFTWARDS_ARROW_TO_BLACK_DIAMOND: Rel = Rel::new('⤝', RelCategory::A);
pub const RIGHTWARDS_ARROW_TO_BLACK_DIAMOND: Rel = Rel::new('⤞', RelCategory::A);
pub const LEFTWARDS_ARROW_FROM_BAR_TO_BLACK_DIAMOND: Rel = Rel::new('⤟', RelCategory::A);
pub const RIGHTWARDS_ARROW_FROM_BAR_TO_BLACK_DIAMOND: Rel = Rel::new('⤠', RelCategory::A);
pub const NORTH_WEST_AND_SOUTH_EAST_ARROW: Rel = Rel::new('⤡', RelCategory::Default);
pub const NORTH_EAST_AND_SOUTH_WEST_ARROW: Rel = Rel::new('⤢', RelCategory::Default);
pub const NORTH_WEST_ARROW_WITH_HOOK: Rel = Rel::new('⤣', RelCategory::Default);
pub const NORTH_EAST_ARROW_WITH_HOOK: Rel = Rel::new('⤤', RelCategory::Default);
pub const SOUTH_EAST_ARROW_WITH_HOOK: Rel = Rel::new('⤥', RelCategory::Default);
pub const SOUTH_WEST_ARROW_WITH_HOOK: Rel = Rel::new('⤦', RelCategory::Default);

pub const NORTH_WEST_ARROW_AND_NORTH_EAST_ARROW: Rel = Rel::new('⤧', RelCategory::Default);
pub const NORTH_EAST_ARROW_AND_SOUTH_EAST_ARROW: Rel = Rel::new('⤨', RelCategory::Default);
pub const SOUTH_EAST_ARROW_AND_SOUTH_WEST_ARROW: Rel = Rel::new('⤩', RelCategory::Default);
pub const SOUTH_WEST_ARROW_AND_NORTH_WEST_ARROW: Rel = Rel::new('⤪', RelCategory::Default);
pub const RISING_DIAGONAL_CROSSING_FALLING_DIAGONAL: Rel = Rel::new('⤫', RelCategory::Default);
pub const FALLING_DIAGONAL_CROSSING_RISING_DIAGONAL: Rel = Rel::new('⤬', RelCategory::Default);
pub const SOUTH_EAST_ARROW_CROSSING_NORTH_EAST_ARROW: Rel = Rel::new('⤭', RelCategory::Default);
pub const NORTH_EAST_ARROW_CROSSING_SOUTH_EAST_ARROW: Rel = Rel::new('⤮', RelCategory::Default);
pub const FALLING_DIAGONAL_CROSSING_NORTH_EAST_ARROW: Rel = Rel::new('⤯', RelCategory::Default);
pub const RISING_DIAGONAL_CROSSING_SOUTH_EAST_ARROW: Rel = Rel::new('⤰', RelCategory::Default);
pub const NORTH_EAST_ARROW_CROSSING_NORTH_WEST_ARROW: Rel = Rel::new('⤱', RelCategory::Default);
pub const NORTH_WEST_ARROW_CROSSING_NORTH_EAST_ARROW: Rel = Rel::new('⤲', RelCategory::Default);

pub const WAVE_ARROW_POINTING_DIRECTLY_RIGHT: Rel = Rel::new('⤳', RelCategory::Default);
pub const ARROW_POINTING_RIGHTWARDS_THEN_CURVING_UPWARDS: Rel = Rel::new('⤴', RelCategory::A);
pub const ARROW_POINTING_RIGHTWARDS_THEN_CURVING_DOWNWARDS: Rel = Rel::new('⤵', RelCategory::A);
pub const ARROW_POINTING_DOWNWARDS_THEN_CURVING_LEFTWARDS: Rel = Rel::new('⤶', RelCategory::A);
pub const ARROW_POINTING_DOWNWARDS_THEN_CURVING_RIGHTWARDS: Rel = Rel::new('⤷', RelCategory::A);
pub const RIGHT_SIDE_ARC_CLOCKWISE_ARROW: Rel = Rel::new('⤸', RelCategory::Default);
pub const LEFT_SIDE_ARC_ANTICLOCKWISE_ARROW: Rel = Rel::new('⤹', RelCategory::Default);
pub const TOP_ARC_ANTICLOCKWISE_ARROW: Rel = Rel::new('⤺', RelCategory::Default);
pub const BOTTOM_ARC_ANTICLOCKWISE_ARROW: Rel = Rel::new('⤻', RelCategory::Default);
pub const TOP_ARC_CLOCKWISE_ARROW_WITH_MINUS: Rel = Rel::new('⤼', RelCategory::Default);
pub const TOP_ARC_ANTICLOCKWISE_ARROW_WITH_PLUS: Rel = Rel::new('⤽', RelCategory::Default);
pub const LOWER_RIGHT_SEMICIRCULAR_CLOCKWISE_ARROW: Rel = Rel::new('⤾', RelCategory::Default);
pub const LOWER_LEFT_SEMICIRCULAR_ANTICLOCKWISE_ARROW: Rel = Rel::new('⤿', RelCategory::Default);
pub const ANTICLOCKWISE_CLOSED_CIRCLE_ARROW: Rel = Rel::new('⥀', RelCategory::Default);
pub const CLOCKWISE_CLOSED_CIRCLE_ARROW: Rel = Rel::new('⥁', RelCategory::Default);

pub const RIGHTWARDS_ARROW_ABOVE_SHORT_LEFTWARDS_ARROW: Rel = Rel::new('⥂', RelCategory::A);
pub const LEFTWARDS_ARROW_ABOVE_SHORT_RIGHTWARDS_ARROW: Rel = Rel::new('⥃', RelCategory::A);
pub const SHORT_RIGHTWARDS_ARROW_ABOVE_LEFTWARDS_ARROW: Rel = Rel::new('⥄', RelCategory::A);
pub const RIGHTWARDS_ARROW_WITH_PLUS_BELOW: Rel = Rel::new('⥅', RelCategory::A);
pub const LEFTWARDS_ARROW_WITH_PLUS_BELOW: Rel = Rel::new('⥆', RelCategory::A);
pub const RIGHTWARDS_ARROW_THROUGH_X: Rel = Rel::new('⥇', RelCategory::A);
pub const LEFT_RIGHT_ARROW_THROUGH_SMALL_CIRCLE: Rel = Rel::new('⥈', RelCategory::A);
pub const UPWARDS_TWO_HEADED_ARROW_FROM_SMALL_CIRCLE: Rel = Rel::new('⥉', RelCategory::A);

pub const LEFT_BARB_UP_RIGHT_BARB_DOWN_HARPOON: Rel = Rel::new('⥊', RelCategory::A);
pub const LEFT_BARB_DOWN_RIGHT_BARB_UP_HARPOON: Rel = Rel::new('⥋', RelCategory::A);
pub const UP_BARB_RIGHT_DOWN_BARB_LEFT_HARPOON: Rel = Rel::new('⥌', RelCategory::A);
pub const UP_BARB_LEFT_DOWN_BARB_RIGHT_HARPOON: Rel = Rel::new('⥍', RelCategory::A);
pub const LEFT_BARB_UP_RIGHT_BARB_UP_HARPOON: Rel = Rel::new('⥎', RelCategory::A);
pub const UP_BARB_RIGHT_DOWN_BARB_RIGHT_HARPOON: Rel = Rel::new('⥏', RelCategory::A);
pub const LEFT_BARB_DOWN_RIGHT_BARB_DOWN_HARPOON: Rel = Rel::new('⥐', RelCategory::A);
pub const UP_BARB_LEFT_DOWN_BARB_LEFT_HARPOON: Rel = Rel::new('⥑', RelCategory::A);

pub const LEFTWARDS_HARPOON_WITH_BARB_UP_TO_BAR: Rel = Rel::new('⥒', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_UP_TO_BAR: Rel = Rel::new('⥓', RelCategory::A);
pub const UPWARDS_HARPOON_WITH_BARB_RIGHT_TO_BAR: Rel = Rel::new('⥔', RelCategory::A);
pub const DOWNWARDS_HARPOON_WITH_BARB_RIGHT_TO_BAR: Rel = Rel::new('⥕', RelCategory::A);
pub const LEFTWARDS_HARPOON_WITH_BARB_DOWN_TO_BAR: Rel = Rel::new('⥖', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_DOWN_TO_BAR: Rel = Rel::new('⥗', RelCategory::A);
pub const UPWARDS_HARPOON_WITH_BARB_LEFT_TO_BAR: Rel = Rel::new('⥘', RelCategory::A);
pub const DOWNWARDS_HARPOON_WITH_BARB_LEFT_TO_BAR: Rel = Rel::new('⥙', RelCategory::A);
pub const LEFTWARDS_HARPOON_WITH_BARB_UP_FROM_BAR: Rel = Rel::new('⥚', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_UP_FROM_BAR: Rel = Rel::new('⥛', RelCategory::A);
pub const UPWARDS_HARPOON_WITH_BARB_RIGHT_FROM_BAR: Rel = Rel::new('⥜', RelCategory::A);
pub const DOWNWARDS_HARPOON_WITH_BARB_RIGHT_FROM_BAR: Rel = Rel::new('⥝', RelCategory::A);
pub const LEFTWARDS_HARPOON_WITH_BARB_DOWN_FROM_BAR: Rel = Rel::new('⥞', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_DOWN_FROM_BAR: Rel = Rel::new('⥟', RelCategory::A);
pub const UPWARDS_HARPOON_WITH_BARB_LEFT_FROM_BAR: Rel = Rel::new('⥠', RelCategory::A);
pub const DOWNWARDS_HARPOON_WITH_BARB_LEFT_FROM_BAR: Rel = Rel::new('⥡', RelCategory::A);

pub const LEFTWARDS_HARPOON_WITH_BARB_UP_ABOVE_LEFTWARDS_HARPOON_WITH_BARB_DOWN: Rel =
    Rel::new('⥢', RelCategory::A);
pub const UPWARDS_HARPOON_WITH_BARB_LEFT_BESIDE_UPWARDS_HARPOON_WITH_BARB_RIGHT: Rel =
    Rel::new('⥣', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_UP_ABOVE_RIGHTWARDS_HARPOON_WITH_BARB_DOWN: Rel =
    Rel::new('⥤', RelCategory::A);
pub const DOWNWARDS_HARPOON_WITH_BARB_LEFT_BESIDE_DOWNWARDS_HARPOON_WITH_BARB_RIGHT: Rel =
    Rel::new('⥥', RelCategory::A);
pub const LEFTWARDS_HARPOON_WITH_BARB_UP_ABOVE_RIGHTWARDS_HARPOON_WITH_BARB_UP: Rel =
    Rel::new('⥦', RelCategory::A);
pub const LEFTWARDS_HARPOON_WITH_BARB_DOWN_ABOVE_RIGHTWARDS_HARPOON_WITH_BARB_DOWN: Rel =
    Rel::new('⥧', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_UP_ABOVE_LEFTWARDS_HARPOON_WITH_BARB_UP: Rel =
    Rel::new('⥨', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_DOWN_ABOVE_LEFTWARDS_HARPOON_WITH_BARB_DOWN: Rel =
    Rel::new('⥩', RelCategory::A);
pub const LEFTWARDS_HARPOON_WITH_BARB_UP_ABOVE_LONG_DASH: Rel = Rel::new('⥪', RelCategory::A);
pub const LEFTWARDS_HARPOON_WITH_BARB_DOWN_BELOW_LONG_DASH: Rel = Rel::new('⥫', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_UP_ABOVE_LONG_DASH: Rel = Rel::new('⥬', RelCategory::A);
pub const RIGHTWARDS_HARPOON_WITH_BARB_DOWN_BELOW_LONG_DASH: Rel = Rel::new('⥭', RelCategory::A);
pub const UPWARDS_HARPOON_WITH_BARB_LEFT_BESIDE_DOWNWARDS_HARPOON_WITH_BARB_RIGHT: Rel =
    Rel::new('⥮', RelCategory::A);
pub const DOWNWARDS_HARPOON_WITH_BARB_LEFT_BESIDE_UPWARDS_HARPOON_WITH_BARB_RIGHT: Rel =
    Rel::new('⥯', RelCategory::A);

pub const RIGHT_DOUBLE_ARROW_WITH_ROUNDED_HEAD: Rel = Rel::new('⥰', RelCategory::A);

pub const EQUALS_SIGN_ABOVE_RIGHTWARDS_ARROW: Rel = Rel::new('⥱', RelCategory::A);
pub const TILDE_OPERATOR_ABOVE_RIGHTWARDS_ARROW: Rel = Rel::new('⥲', RelCategory::A);
pub const LEFTWARDS_ARROW_ABOVE_TILDE_OPERATOR: Rel = Rel::new('⥳', RelCategory::A);
pub const RIGHTWARDS_ARROW_ABOVE_TILDE_OPERATOR: Rel = Rel::new('⥴', RelCategory::A);
pub const RIGHTWARDS_ARROW_ABOVE_ALMOST_EQUAL_TO: Rel = Rel::new('⥵', RelCategory::A);
pub const LESS_THAN_ABOVE_LEFTWARDS_ARROW: Rel = Rel::new('⥶', RelCategory::Default);
pub const LEFTWARDS_ARROW_THROUGH_LESS_THAN: Rel = Rel::new('⥷', RelCategory::Default);
pub const GREATER_THAN_ABOVE_RIGHTWARDS_ARROW: Rel = Rel::new('⥸', RelCategory::Default);
pub const SUBSET_ABOVE_RIGHTWARDS_ARROW: Rel = Rel::new('⥹', RelCategory::Default);
pub const LEFTWARDS_ARROW_THROUGH_SUBSET: Rel = Rel::new('⥺', RelCategory::Default);
pub const SUPERSET_ABOVE_LEFTWARDS_ARROW: Rel = Rel::new('⥻', RelCategory::Default);

pub const LEFT_FISH_TAIL: Rel = Rel::new('⥼', RelCategory::A);
pub const RIGHT_FISH_TAIL: Rel = Rel::new('⥽', RelCategory::A);
pub const UP_FISH_TAIL: Rel = Rel::new('⥾', RelCategory::A);
pub const DOWN_FISH_TAIL: Rel = Rel::new('⥿', RelCategory::A);

//
// Unicode Block: Miscellaneous Mathematical Symbols-B
//
pub const TRIPLE_VERTICAL_BAR_DELIMITER: OrdLike = OrdLike::new('⦀', OrdCategory::FG);
pub const Z_NOTATION_TYPE_COLON: Rel = Rel::new('⦂', RelCategory::Default);

pub const LEFT_WHITE_CURLY_BRACKET: OrdLike = OrdLike::new('⦃', OrdCategory::F);
pub const RIGHT_WHITE_CURLY_BRACKET: OrdLike = OrdLike::new('⦄', OrdCategory::G);
pub const LEFT_WHITE_PARENTHESIS: OrdLike = OrdLike::new('⦅', OrdCategory::F);
pub const RIGHT_WHITE_PARENTHESIS: OrdLike = OrdLike::new('⦆', OrdCategory::G);
pub const Z_NOTATION_LEFT_IMAGE_BRACKET: OrdLike = OrdLike::new('⦇', OrdCategory::F);
pub const Z_NOTATION_RIGHT_IMAGE_BRACKET: OrdLike = OrdLike::new('⦈', OrdCategory::G);
pub const Z_NOTATION_LEFT_BINDING_BRACKET: OrdLike = OrdLike::new('⦉', OrdCategory::F);
pub const Z_NOTATION_RIGHT_BINDING_BRACKET: OrdLike = OrdLike::new('⦊', OrdCategory::G);
pub const LEFT_SQUARE_BRACKET_WITH_UNDERBAR: OrdLike = OrdLike::new('⦋', OrdCategory::F);
pub const RIGHT_SQUARE_BRACKET_WITH_UNDERBAR: OrdLike = OrdLike::new('⦌', OrdCategory::G);

pub const LEFT_SQUARE_BRACKET_WITH_TICK_IN_TOP_CORNER: OrdLike = OrdLike::new('⦍', OrdCategory::F);
pub const RIGHT_SQUARE_BRACKET_WITH_TICK_IN_BOTTOM_CORNER: OrdLike =
    OrdLike::new('⦎', OrdCategory::G);
pub const LEFT_SQUARE_BRACKET_WITH_TICK_IN_BOTTOM_CORNER: OrdLike =
    OrdLike::new('⦏', OrdCategory::F);
pub const RIGHT_SQUARE_BRACKET_WITH_TICK_IN_TOP_CORNER: OrdLike = OrdLike::new('⦐', OrdCategory::G);

pub const LEFT_ANGLE_BRACKET_WITH_DOT: OrdLike = OrdLike::new('⦑', OrdCategory::F);
pub const RIGHT_ANGLE_BRACKET_WITH_DOT: OrdLike = OrdLike::new('⦒', OrdCategory::G);
pub const LEFT_ARC_LESS_THAN_BRACKET: OrdLike = OrdLike::new('⦓', OrdCategory::F);
pub const RIGHT_ARC_GREATER_THAN_BRACKET: OrdLike = OrdLike::new('⦔', OrdCategory::G);
pub const DOUBLE_LEFT_ARC_GREATER_THAN_BRACKET: OrdLike = OrdLike::new('⦕', OrdCategory::F);
pub const DOUBLE_RIGHT_ARC_LESS_THAN_BRACKET: OrdLike = OrdLike::new('⦖', OrdCategory::G);
pub const LEFT_BLACK_TORTOISE_SHELL_BRACKET: OrdLike = OrdLike::new('⦗', OrdCategory::F);
pub const RIGHT_BLACK_TORTOISE_SHELL_BRACKET: OrdLike = OrdLike::new('⦘', OrdCategory::G);

pub const CIRCLE_WITH_HORIZONTAL_BAR: MathMLOperator = MathMLOperator::from_char('⦵');
pub const CIRCLED_VERTICAL_BAR: Rel = Rel::new('⦶', RelCategory::Default);
pub const CIRCLED_PARALLEL: Rel = Rel::new('⦷', RelCategory::Default);
pub const CIRCLED_REVERSE_SOLIDUS: Bin = Bin::new('⦸', BinCategory::B);
pub const CIRCLED_PERPENDICULAR: Rel = Rel::new('⦹', RelCategory::Default);

pub const CIRCLED_LESS_THAN: Rel = Rel::new('⧀', RelCategory::Default);
pub const CIRCLED_GREATER_THAN: Rel = Rel::new('⧁', RelCategory::Default);

pub const SQUARED_RISING_DIAGONAL_SLASH: Bin = Bin::new('⧄', BinCategory::B);
pub const SQUARED_FALLING_DIAGONAL_SLASH: Bin = Bin::new('⧅', BinCategory::B);
pub const SQUARED_ASTERISK: Op = Op::new('⧆', OpCategory::C);
pub const SQUARED_SMALL_CIRCLE: Op = Op::new('⧇', OpCategory::C);
pub const SQUARED_SQUARE: Op = Op::new('⧈', OpCategory::C);

pub const LEFT_WIGGLY_FENCE: OrdLike = OrdLike::new('⧘', OrdCategory::F);
pub const RIGHT_WIGGLY_FENCE: OrdLike = OrdLike::new('⧙', OrdCategory::G);
pub const LEFT_DOUBLE_WIGGLY_FENCE: OrdLike = OrdLike::new('⧚', OrdCategory::F);
pub const RIGHT_DOUBLE_WIGGLY_FENCE: OrdLike = OrdLike::new('⧛', OrdCategory::G);

pub const RIGHT_TRIANGLE_ABOVE_LEFT_TRIANGLE: Rel = Rel::new('⧎', RelCategory::Default);
pub const LEFT_TRIANGLE_BESIDE_VERTICAL_BAR: Rel = Rel::new('⧏', RelCategory::Default);
pub const VERTICAL_BAR_BESIDE_RIGHT_TRIANGLE: Rel = Rel::new('⧐', RelCategory::Default);

pub const BOWTIE_WITH_LEFT_HALF_BLACK: Rel = Rel::new('⧑', RelCategory::Default);
pub const BOWTIE_WITH_RIGHT_HALF_BLACK: Rel = Rel::new('⧒', RelCategory::Default);
pub const BLACK_BOWTIE: Rel = Rel::new('⧓', RelCategory::Default);
pub const TIMES_WITH_LEFT_HALF_BLACK: Op = Op::new('⧔', OpCategory::C);
pub const TIMES_WITH_RIGHT_HALF_BLACK: Op = Op::new('⧕', OpCategory::C);

pub const DOUBLE_ENDED_MULTIMAP: Rel = Rel::new('⧟', RelCategory::Default);
pub const SQUARE_WITH_CONTOURED_OUTLINE: Rel = Rel::new('⧠', RelCategory::Default);
pub const INCREASES_AS: Rel = Rel::new('⧡', RelCategory::Default);
pub const SHUFFLE_PRODUCT: Op = Op::new('⧢', OpCategory::C);

pub const EQUALS_SIGN_AND_SLANTED_PARALLEL: Rel = Rel::new('⧣', RelCategory::Default);
pub const EQUALS_SIGN_AND_SLANTED_PARALLEL_WITH_TILDE_ABOVE: Rel =
    Rel::new('⧤', RelCategory::Default);
pub const IDENTICAL_TO_AND_SLANTED_PARALLEL: Rel = Rel::new('⧥', RelCategory::Default);
pub const GLEICH_STARK: Rel = Rel::new('⧦', RelCategory::Default);

pub const BLACK_LOZENGE: char = '⧫';

pub const RULE_DELAYED: Rel = Rel::new('⧴', RelCategory::Default);
pub const REVERSE_SOLIDUS_OPERATOR: Bin = Bin::new('⧵', BinCategory::B);
pub const SOLIDUS_WITH_OVERBAR: Bin = Bin::new('⧶', BinCategory::B);
pub const REVERSE_SOLIDUS_WITH_HORIZONTAL_STROKE: Bin = Bin::new('⧷', BinCategory::B);

pub const BIG_SOLIDUS: Bin = Bin::new('⧸', BinCategory::B);
pub const BIG_REVERSE_SOLIDUS: Bin = Bin::new('⧹', BinCategory::B);

pub const DOUBLE_PLUS: Bin = Bin::new('⧺', BinCategory::B);
pub const TRIPLE_PLUS: Bin = Bin::new('⧻', BinCategory::B);

pub const LEFT_POINTING_CURVED_ANGLE_BRACKET: OrdLike = OrdLike::new('⧼', OrdCategory::F);
pub const RIGHT_POINTING_CURVED_ANGLE_BRACKET: OrdLike = OrdLike::new('⧽', OrdCategory::G);

//
// Unicode Block: Supplemental Mathematical Operators
//
pub const N_ARY_CIRCLED_DOT_OPERATOR: Op = Op::new('⨀', OpCategory::J);
pub const N_ARY_CIRCLED_PLUS_OPERATOR: Op = Op::new('⨁', OpCategory::J);
pub const N_ARY_CIRCLED_TIMES_OPERATOR: Op = Op::new('⨂', OpCategory::J);
pub const N_ARY_UNION_OPERATOR_WITH_DOT: Op = Op::new('⨃', OpCategory::J);
pub const N_ARY_UNION_OPERATOR_WITH_PLUS: Op = Op::new('⨄', OpCategory::J);
pub const N_ARY_SQUARE_INTERSECTION_OPERATOR: Op = Op::new('⨅', OpCategory::J);
pub const N_ARY_SQUARE_UNION_OPERATOR: Op = Op::new('⨆', OpCategory::J);
pub const TWO_LOGICAL_AND_OPERATOR: Op = Op::new('⨇', OpCategory::J);
pub const TWO_LOGICAL_OR_OPERATOR: Op = Op::new('⨈', OpCategory::J);
pub const N_ARY_TIMES_OPERATOR: Op = Op::new('⨉', OpCategory::J);

pub const MODULO_TWO_SUM: Op = Op::new('⨊', OpCategory::J);
pub const SUMMATION_WITH_INTEGRAL: Op = Op::new('⨋', OpCategory::H);
pub const QUADRUPLE_INTEGRAL_OPERATOR: Op = Op::new('⨌', OpCategory::H);
pub const FINITE_PART_INTEGRAL: Op = Op::new('⨍', OpCategory::H);
pub const INTEGRAL_WITH_DOUBLE_STROKE: Op = Op::new('⨎', OpCategory::H);
pub const INTEGRAL_AVERAGE_WITH_SLASH: Op = Op::new('⨏', OpCategory::H);
pub const CIRCULATION_FUNCTION: Op = Op::new('⨐', OpCategory::H);
pub const ANTICLOCKWISE_INTEGRATION: Op = Op::new('⨑', OpCategory::H);
pub const LINE_INTEGRATION_WITH_RECTANGULAR_PATH_AROUND_POLE: Op = Op::new('⨒', OpCategory::H);
pub const LINE_INTEGRATION_WITH_SEMICIRCULAR_PATH_AROUND_POLE: Op = Op::new('⨓', OpCategory::H);
pub const LINE_INTEGRATION_NOT_INCLUDING_THE_POLE: Op = Op::new('⨔', OpCategory::H);
pub const INTEGRAL_AROUND_A_POINT_OPERATOR: Op = Op::new('⨕', OpCategory::H);
pub const QUATERNION_INTEGRAL_OPERATOR: Op = Op::new('⨖', OpCategory::H);
pub const INTEGRAL_WITH_LEFTWARDS_ARROW_WITH_HOOK: Op = Op::new('⨗', OpCategory::H);
pub const INTEGRAL_WITH_TIMES_SIGN: Op = Op::new('⨘', OpCategory::H);
pub const INTEGRAL_WITH_INTERSECTION: Op = Op::new('⨙', OpCategory::H);
pub const INTEGRAL_WITH_UNION: Op = Op::new('⨚', OpCategory::H);
pub const INTEGRAL_WITH_OVERBAR: Op = Op::new('⨛', OpCategory::H);
pub const INTEGRAL_WITH_UNDERBAR: Op = Op::new('⨜', OpCategory::H);

pub const JOIN: MathMLOperator = MathMLOperator::from_char('⨝'); // actually C or J
pub const LARGE_LEFT_TRIANGLE_OPERATOR: MathMLOperator = MathMLOperator::from_char('⨞'); // actually C or J
// pub const Z_NOTATION_SCHEMA_COMPOSITION: Bin = Bin::new('⨟', BinCategory::B);
// pub const Z_NOTATION_SCHEMA_PIPING: Bin = Bin::new('⨠', BinCategory::B);
//pub const Z_NOTATION_SCHEMA_PROJECTION: Bin = Bin::new('⨡', BinCategory::B);

pub const PLUS_SIGN_WITH_SMALL_CIRCLE_ABOVE: Bin = Bin::new('⨢', BinCategory::B);
pub const PLUS_SIGN_WITH_CIRCUMFLEX_ACCENT_ABOVE: Bin = Bin::new('⨣', BinCategory::B);
pub const PLUS_SIGN_WITH_TILDE_ABOVE: Bin = Bin::new('⨤', BinCategory::B);
pub const PLUS_SIGN_WITH_DOT_BELOW: Bin = Bin::new('⨥', BinCategory::B);
pub const PLUS_SIGN_WITH_TILDE_BELOW: Bin = Bin::new('⨦', BinCategory::B);
pub const PLUS_SIGN_WITH_SUBSCRIPT_TWO: Bin = Bin::new('⨧', BinCategory::B);
pub const PLUS_SIGN_WITH_BLACK_TRIANGLE: Bin = Bin::new('⨨', BinCategory::B);
pub const MINUS_SIGN_WITH_COMMA_ABOVE: Bin = Bin::new('⨩', BinCategory::B);
pub const MINUS_SIGN_WITH_DOT_BELOW: Bin = Bin::new('⨪', BinCategory::B);
pub const MINUS_SIGN_WITH_FALLING_DOTS: Bin = Bin::new('⨫', BinCategory::B);
pub const MINUS_SIGN_WITH_RISING_DOTS: Bin = Bin::new('⨬', BinCategory::B);
pub const PLUS_SIGN_IN_LEFT_HALF_CIRCLE: Bin = Bin::new('⨭', BinCategory::B);
pub const PLUS_SIGN_IN_RIGHT_HALF_CIRCLE: Bin = Bin::new('⨮', BinCategory::B);

pub const VECTOR_OR_CROSS_PRODUCT: Op = Op::new('⨯', OpCategory::C);
pub const MULTIPLICATION_SIGN_WITH_DOT_ABOVE: Op = Op::new('⨰', OpCategory::C);
pub const MULTIPLICATION_SIGN_WITH_UNDERBAR: Op = Op::new('⨱', OpCategory::C);
pub const SEMIDIRECT_PRODUCT_WITH_BOTTOM_CLOSED: Op = Op::new('⨲', OpCategory::C);
pub const SMASH_PRODUCT: Op = Op::new('⨳', OpCategory::C);
pub const MULTIPLICATION_SIGN_IN_LEFT_HALF_CIRCLE: Op = Op::new('⨴', OpCategory::C);
pub const MULTIPLICATION_SIGN_IN_RIGHT_HALF_CIRCLE: Op = Op::new('⨵', OpCategory::C);
pub const CIRCLED_MULTIPLICATION_SIGN_WITH_CIRCUMFLEX_ACCENT: Op = Op::new('⨶', OpCategory::C);
pub const MULTIPLICATION_SIGN_IN_DOUBLE_CIRCLE: Op = Op::new('⨷', OpCategory::C);
pub const CIRCLED_DIVISION_SIGN: Bin = Bin::new('⨸', BinCategory::B);

pub const PLUS_SIGN_IN_TRIANGLE: Bin = Bin::new('⨹', BinCategory::B);
pub const MINUS_SIGN_IN_TRIANGLE: Bin = Bin::new('⨺', BinCategory::B);
pub const MULTIPLICATION_SIGN_IN_TRIANGLE: Op = Op::new('⨻', OpCategory::C);
pub const INTERIOR_PRODUCT: Op = Op::new('⨼', OpCategory::C);
pub const RIGHTHAND_INTERIOR_PRODUCT: Op = Op::new('⨽', OpCategory::C);
pub const Z_NOTATION_RELATIONAL_COMPOSITION: Bin = Bin::new('⨾', BinCategory::B);
pub const AMALGAMATION_OR_COPRODUCT: Op = Op::new('⨿', OpCategory::C);
pub const INTERSECTION_WITH_DOT: Bin = Bin::new('⩀', BinCategory::B);
pub const UNION_WITH_MINUS_SIGN: Bin = Bin::new('⩁', BinCategory::B);
pub const UNION_WITH_OVERBAR: Bin = Bin::new('⩂', BinCategory::B);
pub const INTERSECTION_WITH_OVERBAR: Bin = Bin::new('⩃', BinCategory::B);
pub const INTERSECTION_WITH_LOGICAL_AND: Bin = Bin::new('⩄', BinCategory::B);
pub const UNION_WITH_LOGICAL_OR: Bin = Bin::new('⩅', BinCategory::B);
pub const UNION_ABOVE_INTERSECTION: Bin = Bin::new('⩆', BinCategory::B);
pub const INTERSECTION_ABOVE_UNION: Bin = Bin::new('⩇', BinCategory::B);
pub const UNION_ABOVE_BAR_ABOVE_INTERSECTION: Bin = Bin::new('⩈', BinCategory::B);
pub const INTERSECTION_ABOVE_BAR_ABOVE_UNION: Bin = Bin::new('⩉', BinCategory::B);
pub const UNION_BESIDE_AND_JOINED_WITH_UNION: Bin = Bin::new('⩊', BinCategory::B);
pub const INTERSECTION_BESIDE_AND_JOINED_WITH_INTERSECTION: Bin = Bin::new('⩋', BinCategory::B);
pub const CLOSED_UNION_WITH_SERIFS: Bin = Bin::new('⩌', BinCategory::B);
pub const CLOSED_INTERSECTION_WITH_SERIFS: Bin = Bin::new('⩍', BinCategory::B);
pub const DOUBLE_SQUARE_INTERSECTION: Bin = Bin::new('⩎', BinCategory::B);
pub const DOUBLE_SQUARE_UNION: Bin = Bin::new('⩏', BinCategory::B);
pub const CLOSED_UNION_WITH_SERIFS_AND_SMASH_PRODUCT: Op = Op::new('⩐', OpCategory::C);
pub const LOGICAL_AND_WITH_DOT_ABOVE: Bin = Bin::new('⩑', BinCategory::B);
pub const LOGICAL_OR_WITH_DOT_ABOVE: Bin = Bin::new('⩒', BinCategory::B);
pub const DOUBLE_LOGICAL_AND: Bin = Bin::new('⩓', BinCategory::B);
pub const DOUBLE_LOGICAL_OR: Bin = Bin::new('⩔', BinCategory::B);
pub const TWO_INTERSECTING_LOGICAL_AND: Bin = Bin::new('⩕', BinCategory::B);
pub const TWO_INTERSECTING_LOGICAL_OR: Bin = Bin::new('⩖', BinCategory::B);
pub const SLOPING_LARGE_OR: Bin = Bin::new('⩗', BinCategory::B);
pub const SLOPING_LARGE_AND: Bin = Bin::new('⩘', BinCategory::B);
pub const LOGICAL_OR_OVERLAPPING_LOGICAL_AND: Bin = Bin::new('⩙', BinCategory::B);
pub const LOGICAL_AND_WITH_MIDDLE_STEM: Bin = Bin::new('⩚', BinCategory::B);
pub const LOGICAL_OR_WITH_MIDDLE_STEM: Bin = Bin::new('⩛', BinCategory::B);
pub const LOGICAL_AND_WITH_HORIZONTAL_DASH: Bin = Bin::new('⩜', BinCategory::B);
pub const LOGICAL_OR_WITH_HORIZONTAL_DASH: Bin = Bin::new('⩝', BinCategory::B);
pub const LOGICAL_AND_WITH_DOUBLE_OVERBAR: Bin = Bin::new('⩞', BinCategory::B);
pub const LOGICAL_AND_WITH_UNDERBAR: Bin = Bin::new('⩟', BinCategory::B);
pub const LOGICAL_AND_WITH_DOUBLE_UNDERBAR: Bin = Bin::new('⩠', BinCategory::B);
// pub const SMALL_VEE_WITH_UNDERBAR: Bin = Bin::new('⩡', BinCategory::B);
pub const LOGICAL_OR_WITH_DOUBLE_OVERBAR: Bin = Bin::new('⩢', BinCategory::B);
pub const LOGICAL_OR_WITH_DOUBLE_UNDERBAR: Bin = Bin::new('⩣', BinCategory::B);

pub const Z_NOTATION_DOMAIN_ANTIRESTRICTION: Op = Op::new('⩤', OpCategory::C);
pub const Z_NOTATION_RANGE_ANTIRESTRICTION: Op = Op::new('⩥', OpCategory::C);

pub const EQUALS_SIGN_WITH_DOT_BELOW: Rel = Rel::new('⩦', RelCategory::Default);
pub const IDENTICAL_WITH_DOT_ABOVE: Rel = Rel::new('⩧', RelCategory::Default);
pub const TRIPLE_HORIZONTAL_BAR_WITH_DOUBLE_VERTICAL_STROKE: Rel =
    Rel::new('⩨', RelCategory::Default);
pub const TRIPLE_HORIZONTAL_BAR_WITH_TRIPLE_VERTICAL_STROKE: Rel =
    Rel::new('⩩', RelCategory::Default);
pub const TILDE_OPERATOR_WITH_DOT_ABOVE: Rel = Rel::new('⩪', RelCategory::Default);
pub const TILDE_OPERATOR_WITH_RISING_DOTS: Rel = Rel::new('⩫', RelCategory::Default);
pub const SIMILAR_MINUS_SIMILAR: Rel = Rel::new('⩬', RelCategory::Default);
pub const CONGRUENT_WITH_DOT_ABOVE: Rel = Rel::new('⩭', RelCategory::Default);
pub const EQUALS_WITH_ASTERISK: Rel = Rel::new('⩮', RelCategory::Default);
pub const ALMOST_EQUAL_TO_WITH_CIRCUMFLEX_ACCENT: Rel = Rel::new('⩯', RelCategory::Default);
pub const APPROXIMATELY_EQUAL_OR_EQUAL_TO: Rel = Rel::new('⩰', RelCategory::Default);
pub const EQUALS_SIGN_ABOVE_PLUS_SIGN: Rel = Rel::new('⩱', RelCategory::Default);
pub const PLUS_SIGN_ABOVE_EQUALS_SIGN: Rel = Rel::new('⩲', RelCategory::Default);
pub const EQUALS_SIGN_ABOVE_TILDE_OPERATOR: Rel = Rel::new('⩳', RelCategory::Default);
pub const DOUBLE_COLON_EQUAL: Rel = Rel::new('⩴', RelCategory::Default);
pub const TWO_CONSECUTIVE_EQUALS_SIGNS: Rel = Rel::new('⩵', RelCategory::Default);
pub const THREE_CONSECUTIVE_EQUALS_SIGNS: Rel = Rel::new('⩶', RelCategory::Default);
pub const EQUALS_SIGN_WITH_TWO_DOTS_ABOVE_AND_TWO_DOTS_BELOW: Rel =
    Rel::new('⩷', RelCategory::Default);
pub const EQUIVALENT_WITH_FOUR_DOTS_ABOVE: Rel = Rel::new('⩸', RelCategory::Default);
pub const LESS_THAN_WITH_CIRCLE_INSIDE: Rel = Rel::new('⩹', RelCategory::Default);
pub const GREATER_THAN_WITH_CIRCLE_INSIDE: Rel = Rel::new('⩺', RelCategory::Default);
pub const LESS_THAN_WITH_QUESTION_MARK_ABOVE: Rel = Rel::new('⩻', RelCategory::Default);
pub const GREATER_THAN_WITH_QUESTION_MARK_ABOVE: Rel = Rel::new('⩼', RelCategory::Default);
pub const LESS_THAN_OR_SLANTED_EQUAL_TO: Rel = Rel::new('⩽', RelCategory::Default);
pub const GREATER_THAN_OR_SLANTED_EQUAL_TO: Rel = Rel::new('⩾', RelCategory::Default);
pub const LESS_THAN_OR_SLANTED_EQUAL_TO_WITH_DOT_INSIDE: Rel = Rel::new('⩿', RelCategory::Default);
pub const GREATER_THAN_OR_SLANTED_EQUAL_TO_WITH_DOT_INSIDE: Rel =
    Rel::new('⪀', RelCategory::Default);
pub const LESS_THAN_OR_SLANTED_EQUAL_TO_WITH_DOT_ABOVE: Rel = Rel::new('⪁', RelCategory::Default);
pub const GREATER_THAN_OR_SLANTED_EQUAL_TO_WITH_DOT_ABOVE: Rel =
    Rel::new('⪂', RelCategory::Default);
pub const LESS_THAN_OR_SLANTED_EQUAL_TO_WITH_DOT_ABOVE_RIGHT: Rel =
    Rel::new('⪃', RelCategory::Default);
pub const GREATER_THAN_OR_SLANTED_EQUAL_TO_WITH_DOT_ABOVE_LEFT: Rel =
    Rel::new('⪄', RelCategory::Default);
pub const LESS_THAN_OR_APPROXIMATE: Rel = Rel::new('⪅', RelCategory::Default);
pub const GREATER_THAN_OR_APPROXIMATE: Rel = Rel::new('⪆', RelCategory::Default);
pub const LESS_THAN_AND_SINGLE_LINE_NOT_EQUAL_TO: Rel = Rel::new('⪇', RelCategory::Default);
pub const GREATER_THAN_AND_SINGLE_LINE_NOT_EQUAL_TO: Rel = Rel::new('⪈', RelCategory::Default);
pub const LESS_THAN_AND_NOT_APPROXIMATE: Rel = Rel::new('⪉', RelCategory::Default);
pub const GREATER_THAN_AND_NOT_APPROXIMATE: Rel = Rel::new('⪊', RelCategory::Default);
pub const LESS_THAN_ABOVE_DOUBLE_LINE_EQUAL_ABOVE_GREATER_THAN: Rel =
    Rel::new('⪋', RelCategory::Default);
pub const GREATER_THAN_ABOVE_DOUBLE_LINE_EQUAL_ABOVE_LESS_THAN: Rel =
    Rel::new('⪌', RelCategory::Default);
pub const LESS_THAN_ABOVE_SIMILAR_OR_EQUAL: Rel = Rel::new('⪍', RelCategory::Default);
pub const GREATER_THAN_ABOVE_SIMILAR_OR_EQUAL: Rel = Rel::new('⪎', RelCategory::Default);
pub const LESS_THAN_ABOVE_SIMILAR_ABOVE_GREATER_THAN: Rel = Rel::new('⪏', RelCategory::Default);
pub const GREATER_THAN_ABOVE_SIMILAR_ABOVE_LESS_THAN: Rel = Rel::new('⪐', RelCategory::Default);
pub const LESS_THAN_ABOVE_GREATER_THAN_ABOVE_DOUBLE_LINE_EQUAL: Rel =
    Rel::new('⪑', RelCategory::Default);
pub const GREATER_THAN_ABOVE_LESS_THAN_ABOVE_DOUBLE_LINE_EQUAL: Rel =
    Rel::new('⪒', RelCategory::Default);
pub const LESS_THAN_ABOVE_SLANTED_EQUAL_ABOVE_GREATER_THAN_ABOVE_SLANTED_EQUAL: Rel =
    Rel::new('⪓', RelCategory::Default);
pub const GREATER_THAN_ABOVE_SLANTED_EQUAL_ABOVE_LESS_THAN_ABOVE_SLANTED_EQUAL: Rel =
    Rel::new('⪔', RelCategory::Default);
pub const SLANTED_EQUAL_TO_OR_LESS_THAN: Rel = Rel::new('⪕', RelCategory::Default);
pub const SLANTED_EQUAL_TO_OR_GREATER_THAN: Rel = Rel::new('⪖', RelCategory::Default);
pub const SLANTED_EQUAL_TO_OR_LESS_THAN_WITH_DOT_INSIDE: Rel = Rel::new('⪗', RelCategory::Default);
pub const SLANTED_EQUAL_TO_OR_GREATER_THAN_WITH_DOT_INSIDE: Rel =
    Rel::new('⪘', RelCategory::Default);
pub const DOUBLE_LINE_EQUAL_TO_OR_LESS_THAN: Rel = Rel::new('⪙', RelCategory::Default);
pub const DOUBLE_LINE_EQUAL_TO_OR_GREATER_THAN: Rel = Rel::new('⪚', RelCategory::Default);
pub const DOUBLE_LINE_SLANTED_EQUAL_TO_OR_LESS_THAN: Rel = Rel::new('⪛', RelCategory::Default);
pub const DOUBLE_LINE_SLANTED_EQUAL_TO_OR_GREATER_THAN: Rel = Rel::new('⪜', RelCategory::Default);
pub const SIMILAR_OR_LESS_THAN: Rel = Rel::new('⪝', RelCategory::Default);
pub const SIMILAR_OR_GREATER_THAN: Rel = Rel::new('⪞', RelCategory::Default);
pub const SIMILAR_ABOVE_LESS_THAN_ABOVE_EQUALS_SIGN: Rel = Rel::new('⪟', RelCategory::Default);
pub const SIMILAR_ABOVE_GREATER_THAN_ABOVE_EQUALS_SIGN: Rel = Rel::new('⪠', RelCategory::Default);
pub const DOUBLE_NESTED_LESS_THAN: Rel = Rel::new('⪡', RelCategory::Default);
pub const DOUBLE_NESTED_GREATER_THAN: Rel = Rel::new('⪢', RelCategory::Default);
pub const DOUBLE_NESTED_LESS_THAN_WITH_UNDERBAR: Rel = Rel::new('⪣', RelCategory::Default);
pub const GREATER_THAN_OVERLAPPING_LESS_THAN: Rel = Rel::new('⪤', RelCategory::Default);
pub const GREATER_THAN_BESIDE_LESS_THAN: Rel = Rel::new('⪥', RelCategory::Default);
pub const LESS_THAN_CLOSED_BY_CURVE: Rel = Rel::new('⪦', RelCategory::Default);
pub const GREATER_THAN_CLOSED_BY_CURVE: Rel = Rel::new('⪧', RelCategory::Default);
pub const LESS_THAN_CLOSED_BY_CURVE_ABOVE_SLANTED_EQUAL: Rel = Rel::new('⪨', RelCategory::Default);
pub const GREATER_THAN_CLOSED_BY_CURVE_ABOVE_SLANTED_EQUAL: Rel =
    Rel::new('⪩', RelCategory::Default);
pub const SMALLER_THAN: Rel = Rel::new('⪪', RelCategory::Default);
pub const LARGER_THAN: Rel = Rel::new('⪫', RelCategory::Default);
pub const SMALLER_THAN_OR_EQUAL_TO: Rel = Rel::new('⪬', RelCategory::Default);
pub const LARGER_THAN_OR_EQUAL_TO: Rel = Rel::new('⪭', RelCategory::Default);
pub const EQUALS_SIGN_WITH_BUMPY_ABOVE: Rel = Rel::new('⪮', RelCategory::Default);
pub const PRECEDES_ABOVE_SINGLE_LINE_EQUALS_SIGN: Rel = Rel::new('⪯', RelCategory::Default);
pub const SUCCEEDS_ABOVE_SINGLE_LINE_EQUALS_SIGN: Rel = Rel::new('⪰', RelCategory::Default);
pub const PRECEDES_ABOVE_SINGLE_LINE_NOT_EQUAL_TO: Rel = Rel::new('⪱', RelCategory::Default);
pub const SUCCEEDS_ABOVE_SINGLE_LINE_NOT_EQUAL_TO: Rel = Rel::new('⪲', RelCategory::Default);
pub const PRECEDES_ABOVE_EQUALS_SIGN: Rel = Rel::new('⪳', RelCategory::Default);
pub const SUCCEEDS_ABOVE_EQUALS_SIGN: Rel = Rel::new('⪴', RelCategory::Default);
pub const PRECEDES_ABOVE_NOT_EQUAL_TO: Rel = Rel::new('⪵', RelCategory::Default);
pub const SUCCEEDS_ABOVE_NOT_EQUAL_TO: Rel = Rel::new('⪶', RelCategory::Default);
pub const PRECEDES_ABOVE_ALMOST_EQUAL_TO: Rel = Rel::new('⪷', RelCategory::Default);
pub const SUCCEEDS_ABOVE_ALMOST_EQUAL_TO: Rel = Rel::new('⪸', RelCategory::Default);
pub const PRECEDES_ABOVE_NOT_ALMOST_EQUAL_TO: Rel = Rel::new('⪹', RelCategory::Default);
pub const SUCCEEDS_ABOVE_NOT_ALMOST_EQUAL_TO: Rel = Rel::new('⪺', RelCategory::Default);
pub const DOUBLE_PRECEDES: Rel = Rel::new('⪻', RelCategory::Default);
pub const DOUBLE_SUCCEEDS: Rel = Rel::new('⪼', RelCategory::Default);

pub const SUBSET_WITH_DOT: Rel = Rel::new('⪽', RelCategory::Default);
pub const SUPERSET_WITH_DOT: Rel = Rel::new('⪾', RelCategory::Default);
pub const SUBSET_WITH_PLUS_SIGN_BELOW: Rel = Rel::new('⪿', RelCategory::Default);
pub const SUPERSET_WITH_PLUS_SIGN_BELOW: Rel = Rel::new('⫀', RelCategory::Default);
pub const SUBSET_WITH_MULTIPLICATION_SIGN_BELOW: Rel = Rel::new('⫁', RelCategory::Default);
pub const SUPERSET_WITH_MULTIPLICATION_SIGN_BELOW: Rel = Rel::new('⫂', RelCategory::Default);
pub const SUBSET_OF_OR_EQUAL_TO_WITH_DOT_ABOVE: Rel = Rel::new('⫃', RelCategory::Default);
pub const SUPERSET_OF_OR_EQUAL_TO_WITH_DOT_ABOVE: Rel = Rel::new('⫄', RelCategory::Default);
pub const SUBSET_OF_ABOVE_EQUALS_SIGN: Rel = Rel::new('⫅', RelCategory::Default);
pub const SUPERSET_OF_ABOVE_EQUALS_SIGN: Rel = Rel::new('⫆', RelCategory::Default);
pub const SUBSET_OF_ABOVE_TILDE_OPERATOR: Rel = Rel::new('⫇', RelCategory::Default);
pub const SUPERSET_OF_ABOVE_TILDE_OPERATOR: Rel = Rel::new('⫈', RelCategory::Default);
pub const SUBSET_OF_ABOVE_ALMOST_EQUAL_TO: Rel = Rel::new('⫉', RelCategory::Default);
pub const SUPERSET_OF_ABOVE_ALMOST_EQUAL_TO: Rel = Rel::new('⫊', RelCategory::Default);
pub const SUBSET_OF_ABOVE_NOT_EQUAL_TO: Rel = Rel::new('⫋', RelCategory::Default);
pub const SUBSET_OF_ABOVE_NOT_EQUAL_TO_WITH_STROKE_THROUGH_BOTTOM_MEMBERS: Rel =
    Rel::new_vs1('⫋', RelCategory::Default);
pub const SUPERSET_OF_ABOVE_NOT_EQUAL_TO: Rel = Rel::new('⫌', RelCategory::Default);
pub const SUPERSET_OF_ABOVE_NOT_EQUAL_TO_WITH_STROKE_THROUGH_BOTTOM_MEMBERS: Rel =
    Rel::new_vs1('⫌', RelCategory::Default);
pub const SQUARE_LEFT_OPEN_BOX_OPERATOR: Rel = Rel::new('⫍', RelCategory::Default);
pub const SQUARE_RIGHT_OPEN_BOX_OPERATOR: Rel = Rel::new('⫎', RelCategory::Default);
pub const CLOSED_SUBSET: Rel = Rel::new('⫏', RelCategory::Default);
pub const CLOSED_SUPERSET: Rel = Rel::new('⫐', RelCategory::Default);
pub const CLOSED_SUBSET_OR_EQUAL_TO: Rel = Rel::new('⫑', RelCategory::Default);
pub const CLOSED_SUPERSET_OR_EQUAL_TO: Rel = Rel::new('⫒', RelCategory::Default);
pub const SUBSET_ABOVE_SUPERSET: Rel = Rel::new('⫓', RelCategory::Default);
pub const SUPERSET_ABOVE_SUBSET: Rel = Rel::new('⫔', RelCategory::Default);
pub const SUBSET_ABOVE_SUBSET: Rel = Rel::new('⫕', RelCategory::Default);
pub const SUPERSET_ABOVE_SUPERSET: Rel = Rel::new('⫖', RelCategory::Default);
pub const SUPERSET_BESIDE_SUBSET: Rel = Rel::new('⫗', RelCategory::Default);
pub const SUPERSET_BESIDE_AND_JOINED_BY_DASH_WITH_SUBSET: Rel = Rel::new('⫘', RelCategory::Default);

pub const SHORT_LEFT_TACK: Rel = Rel::new('⫞', RelCategory::Default);
pub const SHORT_DOWN_TACK: Rel = Rel::new('⫟', RelCategory::Default);
pub const SHORT_UP_TACK: Rel = Rel::new('⫠', RelCategory::Default);
pub const PERPENDICULAR_WITH_S: Rel = Rel::new('⫡', RelCategory::Default);
pub const VERTICAL_BAR_TRIPLE_RIGHT_TURNSTILE: Rel = Rel::new('⫢', RelCategory::Default);
pub const DOUBLE_VERTICAL_BAR_LEFT_TURNSTILE: Rel = Rel::new('⫣', RelCategory::Default);
pub const VERTICAL_BAR_DOUBLE_LEFT_TURNSTILE: Rel = Rel::new('⫤', RelCategory::Default);
pub const DOUBLE_VERTICAL_BAR_DOUBLE_LEFT_TURNSTILE: Rel = Rel::new('⫥', RelCategory::Default);
pub const LONG_DASH_FROM_LEFT_MEMBER_OF_DOUBLE_VERTICAL: Rel = Rel::new('⫦', RelCategory::Default);
pub const SHORT_DOWN_TACK_WITH_OVERBAR: Rel = Rel::new('⫧', RelCategory::Default);
pub const SHORT_UP_TACK_WITH_UNDERBAR: Rel = Rel::new('⫨', RelCategory::Default);
pub const SHORT_UP_TACK_ABOVE_SHORT_DOWN_TACK: Rel = Rel::new('⫩', RelCategory::Default);
pub const DOUBLE_DOWN_TACK: Rel = Rel::new('⫪', RelCategory::Default);
pub const DOUBLE_UP_TACK: Rel = Rel::new('⫫', RelCategory::Default);

pub const DOES_NOT_DIVIDE_WITH_REVERSED_NEGATION_SLASH: Rel = Rel::new('⫮', RelCategory::Default);

pub const PARALLEL_WITH_HORIZONTAL_STROKE: Rel = Rel::new('⫲', RelCategory::Default);
pub const PARALLEL_WITH_TILDE_OPERATOR: Rel = Rel::new('⫳', RelCategory::Default);

pub const TRIPLE_COLON_OPERATOR: Bin = Bin::new('⫶', BinCategory::B);

pub const TRIPLE_NESTED_LESS_THAN: Rel = Rel::new('⫷', RelCategory::Default);
pub const TRIPLE_NESTED_GREATER_THAN: Rel = Rel::new('⫸', RelCategory::Default);
pub const DOUBLE_LINE_SLANTED_LESS_THAN_OR_EQUAL_TO: Rel = Rel::new('⫹', RelCategory::Default);
pub const DOUBLE_LINE_SLANTED_GREATER_THAN_OR_EQUAL_TO: Rel = Rel::new('⫺', RelCategory::Default);

pub const LARGE_TRIPLE_VERTICAL_BAR_OPERATOR: Op = Op::new('⫼', OpCategory::J);
pub const DOUBLE_SOLIDUS_OPERATOR: Bin = Bin::new('⫽', BinCategory::B);
pub const WHITE_VERTICAL_BAR: Op = Op::new('⫾', OpCategory::C);
pub const N_ARY_WHITE_VERTICAL_BAR: Op = Op::new('⫿', OpCategory::J);

//
// Unicode Block: Miscellaneous Symbols and Arrows
//
pub const LEFT_ARROW_WITH_SMALL_CIRCLE: Rel = Rel::new('⬰', RelCategory::A);
pub const THREE_LEFTWARDS_ARROWS: Rel = Rel::new('⬱', RelCategory::A);
pub const LEFT_ARROW_WITH_CIRCLED_PLUS: Rel = Rel::new('⬲', RelCategory::A);
pub const LONG_LEFTWARDS_SQUIGGLE_ARROW: Rel = Rel::new('⬳', RelCategory::A);
pub const LEFTWARDS_TWO_HEADED_ARROW_WITH_VERTICAL_STROKE: Rel = Rel::new('⬴', RelCategory::A);
pub const LEFTWARDS_TWO_HEADED_ARROW_WITH_DOUBLE_VERTICAL_STROKE: Rel =
    Rel::new('⬵', RelCategory::A);
pub const LEFTWARDS_TWO_HEADED_ARROW_FROM_BAR: Rel = Rel::new('⬶', RelCategory::A);
pub const LEFTWARDS_TWO_HEADED_TRIPLE_DASH_ARROW: Rel = Rel::new('⬷', RelCategory::A);
pub const LEFTWARDS_ARROW_WITH_DOTTED_STEM: Rel = Rel::new('⬸', RelCategory::A);
pub const LEFTWARDS_ARROW_WITH_TAIL_WITH_VERTICAL_STROKE: Rel = Rel::new('⬹', RelCategory::A);
pub const LEFTWARDS_ARROW_WITH_TAIL_WITH_DOUBLE_VERTICAL_STROKE: Rel =
    Rel::new('⬺', RelCategory::A);
pub const LEFTWARDS_TWO_HEADED_ARROW_WITH_TAIL: Rel = Rel::new('⬻', RelCategory::A);
pub const LEFTWARDS_TWO_HEADED_ARROW_WITH_TAIL_WITH_VERTICAL_STROKE: Rel =
    Rel::new('⬼', RelCategory::A);
pub const LEFTWARDS_TWO_HEADED_ARROW_WITH_TAIL_WITH_DOUBLE_VERTICAL_STROKE: Rel =
    Rel::new('⬽', RelCategory::A);
pub const LEFTWARDS_ARROW_THROUGH_X: Rel = Rel::new('⬾', RelCategory::A);
pub const WAVE_ARROW_POINTING_DIRECTLY_LEFT: Rel = Rel::new('⬿', RelCategory::Default);
pub const EQUALS_SIGN_ABOVE_LEFTWARDS_ARROW: Rel = Rel::new('⭀', RelCategory::A);
pub const REVERSE_TILDE_OPERATOR_ABOVE_LEFTWARDS_ARROW: Rel = Rel::new('⭁', RelCategory::A);
pub const LEFTWARDS_ARROW_ABOVE_REVERSE_ALMOST_EQUAL_TO: Rel = Rel::new('⭂', RelCategory::A);
pub const RIGHTWARDS_ARROW_THROUGH_GREATER_THAN: Rel = Rel::new('⭃', RelCategory::A);
pub const RIGHTWARDS_ARROW_THROUGH_SUPERSET: Rel = Rel::new('⭄', RelCategory::A);
pub const LEFTWARDS_QUADRUPLE_ARROW: Rel = Rel::new('⭅', RelCategory::A);
pub const RIGHTWARDS_QUADRUPLE_ARROW: Rel = Rel::new('⭆', RelCategory::A);
pub const REVERSE_TILDE_OPERATOR_ABOVE_RIGHTWARDS_ARROW: Rel = Rel::new('⭇', RelCategory::A);
pub const RIGHTWARDS_ARROW_ABOVE_REVERSE_ALMOST_EQUAL_TO: Rel = Rel::new('⭈', RelCategory::A);
pub const TILDE_OPERATOR_ABOVE_LEFTWARDS_ARROW: Rel = Rel::new('⭉', RelCategory::A);
pub const LEFTWARDS_ARROW_ABOVE_ALMOST_EQUAL_TO: Rel = Rel::new('⭊', RelCategory::A);
pub const LEFTWARDS_ARROW_ABOVE_REVERSE_TILDE_OPERATOR: Rel = Rel::new('⭋', RelCategory::A);
pub const RIGHTWARDS_ARROW_ABOVE_REVERSE_TILDE_OPERATOR: Rel = Rel::new('⭌', RelCategory::A);

//
// Unicode Block: Small Form Variants
//
// pub const SMALL_REVERSE_SOLIDUS: Rel = Rel::new('﹨', RelCategory::Default);

//
// Unicode Block: Arabic Mathematical Alphabetic Symbols
//

// /// Actually category I
// pub const ARABIC_MATHEMATICAL_OPERATOR_MEEM_WITH_HAH_WITH_TATWEEL: MathMLOperator =
//    MathMLOperator::from_char('\u{1EEF0}');
// /// Actually category I
// pub const ARABIC_MATHEMATICAL_OPERATOR_HAH_WITH_DAL: MathMLOperator =
//    MathMLOperator::from_char('\u{1EEF1}');