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return {
    name = "ebgaramond",
    version = "1.00",
    comment = "Goodies that complement ebgaramond.",
    author = "Hans Hagen & Mikael Sundqvist",
    copyright = "ConTeXt development team",
    mathematics = {
        parameters = {
            NoLimitSupFactor          =    0,
            NoLimitSubFactor          = 1200,
            FractionRuleThickness     =   60,
            OverbarRuleThickness      =   60,
            UnderbarRuleThickness     =   60,
         -- AccentBaseHeight          =    0,
            AccentBaseDepth           =   75,
         -- AccentTopShiftUp          =  -75,
         -- FlattenedAccentTopShiftUp = -100,
         -- RadicalRuleThickness      =   50, -- 50 in font
            DelimiterPercent          =   90,
            DelimiterShortfall        =  400,
         -- DisplayOperatorMinHeight  = 1800, -- 1300 in font (only one)
            PrimeRaisePercent         =   85, -- 50 default
         -- PrimeRaiseComposedPercent =   25, -- 25 default
        },
        tweaks = {
            aftercopying = {
                {
                    tweak    = "version",
                    expected = "Version 2019-08-16",
                },
                {
                    tweak = "dimensions",
                    list  = {
                        -- offset width italic
                     -- [0x00060] = { yoffset = -0.1 },   -- grave
                     -- [0x000B4] = { yoffset = -0.1 },   -- acute
                        [0x002C6] = { yoffset = -0.1 },   -- hat
                        [0x002DC] = { yoffset = -0.1 },   -- tilde
                     -- [0x000AF] = { yoffset = -0.1 },   -- bar
                        [0x002D8] = { yoffset = -0.15 },  -- breve
                        [0x002D9] = { yoffset = -0.15 },  -- dot
                     -- [0x000A8] = { yoffset = -0.1 },   -- ddot
                        [0x020DB] = { yoffset = -0.115 }, -- dddot
                        [0x002C7] = { yoffset = -0.1 },   -- check
                        [0x020D7] = { yoffset = -0.1 },   -- vec

                        [0x00300] = { yoffset = -0.12 , all = true }, -- widegrave
                        [0x00301] = { yoffset = -0.12 , all = true }, -- wideacute
                        [0x00302] = { yoffset = -0.12 , all = true }, -- widehat
                        [0x00303] = { yoffset = -0.12 , all = true }, -- widetilde
                        [0x00304] = { yoffset = -0.12 , all = true }, -- widebar
                        [0x00306] = { yoffset = -0.12 , all = true }, -- widebreve
                        [0x00307] = { yoffset = -0.12 , all = true }, -- widedot
                        [0x00308] = { yoffset = -0.12 , all = true }, -- wideddot
                     -- [0x020DB] = { yoffset = -0.1 ,  all = true }, -- widedddot
                        [0x0030A] = { yoffset = -0.12 , all = true }, -- widering
                        [0x0030C] = { yoffset = -0.12 , all = true }, -- widecheck

                     -- [0x002C6] = { scale =.85, yoffset = .1, width = .85, height = .935 }, -- hat

                        [0x00393] = { xoffset = 0.05, width = 1.05, italic = 0.075       }, -- \Gamma
                     -- [0x003A6] = { xoffset = 0.05, width = 1.05, italic = 0           }, -- \Phi difficult!
                        [0x003A8] = { xoffset = 0.05, width = 1.05, italic = 0.075       }, -- \Psi
                        [0x02113] = { xoffset = 0,    width = 1,    italic = 0.075       }, -- \ell
                        [0x1D436] = { xoffset = 0,    width = 1,    italic = 0.05        }, -- C
                        [0x1D43D] = { xoffset = 0.3,  width = 1.4,  italic = 0.1         }, -- J
                        [0x1D44B] = { xoffset = 0,    width = 1,    italic = 0.05        }, -- X
                        [0x1D44F] = { xoffset = 0,    width = 1,    italic = 0,     1.25 }, -- b
                        [0x1D450] = { xoffset = 0,    width = 1.1,  italic = 0           }, -- c
                        [0x1D451] = { xoffset = 0,    width = 1,    italic = 0.05,   0.8 }, -- d
                        [0x1D452] = { xoffset = 0,    width = 1.1,  italic = 0.05        }, -- e
                        [0x1D453] = { xoffset = 0.15, width = 1.15, italic = 0.1, 1.2    }, -- f
                        [0x1D454] = { xoffset = 0.1,  width = 1.2,  italic = 0.1         }, -- g
                        [0x0210E] = { xoffset = 0,    width = 1.1,  italic = 0,    1.4   }, -- h
                        [0x1D457] = { xoffset = 0.2,  width = 1.25, italic = 0.05        }, -- j
                        [0x1D458] = { xoffset = 0,    width = 1,    italic = 0,     1.25 }, -- k
                        [0x1D459] = { xoffset = 0,    width = 1,    italic = 0.05        }, -- l
                        [0x1D45D] = { xoffset = 0.15, width = 1.15, italic = 0,     1.4  }, -- p
                        [0x1D45E] = { xoffset = 0,    width = 1.05, italic = 0           }, -- q
                        [0x1D45F] = { xoffset = 0,    width = 1.05, italic = 0           }, -- r
                        [0x1D461] = { xoffset = 0,    width = 1,    italic = 0.1         }, -- t
                        [0x1D465] = { xoffset = 0.05, width = 1.1,  italic = 0.05        }, -- x
                        [0x1D466] = { xoffset = 0.2,  width = 1.2,  italic = 0,    1.35  }, -- y
                        [0x1D6FD] = { xoffset = 0.05, width = 1.1,  italic = 0.05        }, -- \beta
                        [0x1D6FE] = { xoffset = 0,    width = 1.05, italic = 0           }, -- \gamma
                        [0x1D6FF] = { xoffset = 0,    width = 1,    italic = 0.1         }, -- \delta
                        [0x1D716] = { xoffset = 0,    width = 1.1,  italic = 0           }, -- \epsilon
                        [0x1D700] = { xoffset = 0,    width = 1.1,  italic = 0           }, -- \varepsilon
                        [0x1D701] = { xoffset = 0,    width = 1,    italic = 0.15        }, -- \zeta
                        [0x1D703] = { xoffset = 0,    width = 1,    italic = 0.1         }, -- \theta
                        [0x1D705] = { xoffset = 0,    width = 1,    italic = 0.1         }, -- \kappa
                        [0x1D706] = { xoffset = 0.05, width = 1.1,  italic = 0           }, -- \lambda
                        [0x1D707] = { xoffset = 0.05, width = 1.05, italic = 0           }, -- \mu
                        [0x1D708] = { xoffset = 0,    width = 1.1,  italic = 0           }, -- \nu
                        [0x1D709] = { xoffset = 0,    width = 1.1,  italic = 0           }, -- \xi
                        [0x1D70B] = { xoffset = 0,    width = 1.05, italic = 0           }, -- \pi
                        [0x1D70C] = { xoffset = 0.2,  width = 1.2,  italic = 0           }, -- \rho
                        [0x1D70E] = { xoffset = 0,    width = 1,    italic = 0.1         }, -- \sigma
                        [0x1D70F] = { xoffset = 0.05, width = 1.05, italic = 0.1         }, -- \tau
                        [0x1D712] = { xoffset = 0.15, width = 1.2,  italic = 0.05        }, -- \chi
                        [0x1D713] = { xoffset = 0.05, width = 1.05, italic = 0.05        }, -- \psi
                    },
                },
                {
                    tweak = "kerns",
                    list  = {
                        [0x2F] = {
                            topleft     = -0.2,
                         -- bottomleft  =  0,
                         -- topright    =  0,
                            bottomright =  -0.2,
                       },
                        ["0x7D.parts.top"] = {
                            topright    = -0.15,
                        }, -- right brace top
                        ["0x7D.parts.bottom"] = {
                            bottomright = -0.15,
                        }, -- right brace bottom
                        ["0x7D.variants.*"] = {
                            topright = -0.05,
                            bottomright = -0.05,
                        }, -- right brace variants
                        ["0x29.parts.top"] = {
                            topright    = -0.25,
                        }, -- right parenthesis top
                        ["0x29.parts.bottom"] = {
                            bottomright = -0.25,
                        }, -- right parenthesis bottom
                        ["0x29.variants.*"] = {
                            topright = -0.2,
                            bottomright = -0.2,
                        }, -- right parenthesis variants
                        ["0x221A.parts.top"] = {
                            topright = 0.2,
                        }, -- right radical top
                        ["0x221A.parts.bottom"] = {
                            bottomright = 0.2,
                        }, -- right radical bottom
                        ["0x221A.variants.*"] = {
                            topright = 0.2,
                            bottomright = 0.2,
                        }, -- right radical variants                       
                        -- angle
                        [0x27E9]              = { topright = -0.1, bottomright = -0.1 },
                        ["0x27E9.variants.*"] = { topright = -0.2, bottomright = -0.2 },
                        [0x27EB]              = { topright = -0.1, bottomright = -0.1 },
                        ["0x27EB.variants.*"] = { topright = -0.2, bottomright = -0.2 },
                    },
                },
                {
                    tweak   = "fixprimes",
                    scale   = 0.9,
                 -- smaller = true,
                    factor  = 0.9,
                 -- fake    = 0.75,
                },
                {
                    tweak = "checkspacing",
                },
                {
                    tweak = "addscripts",
                },
                {
                    tweak = "accentdimensions",
                },
                {
                    tweak = "addrules",
                },
            },
        },
        alternates = {
            partial        = { feature = 'ss02', value = 1, comment = "Curved partial" },
            semibold       = { feature = 'ss04', value = 1, comment = "Semibold" },
            extrabold      = { feature = 'ss05', value = 1, comment = "Extrabold" },
            hbar           = { feature = 'ss06', value = 1, comment = "Horizontal bar for h-bar" },
            integral       = { feature = 'ss07', value = 1, comment = "A more slanted integral sign" },
            tilde          = { feature = 'ss09', value = 1, comment = "A tilde variant" },
            outbendingh    = { feature = 'ss10', value = 1, comment = "Out-bending h" },
            largeoperators = { feature = 'ss11', value = 1, comment = "Larger operators" },
        },
        bigs = {
            1, 3, 5, 7
        },
    },
}