local dimensions, kerns  if CONTEXTLMTXMODE == 0 then

    local kern_V = { bottomright = { { kern = -250 } } }
    local kern_W = kern_W

    kerns = {
        [0x1D449] = kern_V, -- 𝑉
        [0x1D44A] = kern_W, -- 𝑊
    }

end

return {
    name = "dejavu-math",
    version = "1.00",
    comment = "Goodies that complement dejavu.",
    author = "Hans Hagen & Mikael Sundqvist",
    copyright = "ConTeXt development team",
    mathematics = {
        parameters = {
            NoLimitSupFactor                 =    0,
            NoLimitSubFactor                 =  900,
            FractionRuleThickness            =   60,
            AccentBaseDepth                  =   30,
            RadicalDegreeBottomRaisePercent  =   62,
            RadicalRuleThickness             =   46, -- 52 in font
            DelimiterPercent                 =   90,
            DelimiterShortfall               =  400,
            DisplayOperatorMinHeight         = 1800, -- 1333 in font
        },
        tweaks = {
            aftercopying = {
                {
                    tweak    = "version",
                    expected = "Version 1.106",
                },
                {
                    tweak = "dimensions",
                    list  = {
                     -- [0x1D449]           = { xoffset = 0, width = .8, italic = .2 },
                     -- [0x1D44A]           = { xoffset = 0, width = .8, italic = .2 },
                        ["0x1D449:0x1D44A"] = { xoffset = 0, width = .8, italic = .2 },
                    }
                },
                {
                    tweak = "kerns",
                    list  = {
                        [0x2F] = {
                            topleft     = -0.2,
                         -- bottomleft  =  0,
                         -- topright    =  0,
                            bottomright =  -0.2,
                       },
                    },
                },
                {
                    tweak   = "fixprimes",
                    -- scale   = 0.9,
                    -- smaller = true,
                    factor  = 0.8,
                },
                {
                    tweak = "checkspacing",
                },
                {
                    tweak = "addscripts",
                },
                {
                    tweak = "accentdimensions",
                },
                {
                    tweak = "addrules",
                },
                {
                    tweak = "wipecues",
                },
            },
        },
        alternates = {
            dotless = { feature = 'dtls', value = 1, comment = "Mathematical Dotless Forms" },
        },
        bigslots = {
            1, 3, 5, 7
        },
        --
        -- experimental fixes for mkiv:
        --
        dimensions = dimensions,
        kerns = kerns,
    },
}