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diff --git a/Master/texmf-dist/tex/context/fonts/mkiv/stixtwo-math.lfg b/Master/texmf-dist/tex/context/fonts/mkiv/stixtwo-math.lfg
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+local common = fonts.goodies.load("common-math.lfg")
+local presets = common.mathematics.tweaks.presets
+
+local integral_variants = { bottomright = -0.4 }
+----- integral_top = { topright = 0.05 }
+local integral_bottom = { bottomright = -0.35 }
+
+return {
+ name = "stix-two-math",
+ version = "1.00",
+ comment = "Goodies that complement stix two opentype.",
+ author = "Hans Hagen & Mikael Sundqvist",
+ copyright = "ConTeXt development team",
+ mathematics = {
+ alternates = {
+ calligraphic = { feature = 'ss01', value = 1, comment = "Mathematical Alternative Calligraphic Characters" },
+ italic = { feature = 'ss02', value = 1, comment = "Mathematical Alternative Lowercase Italic" },
+ barred = { feature = 'ss03', value = 1, comment = "Mathematical Alternative Barred Characters" }, -- hbar, lambdabar etc
+ primes = { feature = 'ss04', value = 1, comment = "Mathematical Alternative Primes" }, -- larger/lower primes, minute etc
+ arrow = { feature = 'ss05', value = 1, comment = "Mathematical Alternative Smaller Arrows" },
+ narrower = { feature = 'ss06', value = 1, comment = "Mathematical Alternative Narrower Elements" }, -- narrower/shorter element etc
+ small = { feature = 'ss07', value = 1, comment = "Mathematical Alternative Smaller Operators" },
+ upright = { feature = 'ss08', value = 1, comment = "Mathematical Alternative Upright Symbols" }, -- upright integrals etc.
+ negated = { feature = 'ss09', value = 1, comment = "Mathematical Alternative Negated Symbols" },
+ relation = { feature = 'ss10', value = 1, comment = "Mathematical Alternative Relations" },
+ negatedset = { feature = 'ss09', value = 1, comment = "Mathematical Alternative Negated Set Symbols" },
+ -- todo = { feature = 'ss14', value = 1, comment = "" },
+ circled = { feature = 'ss16', value = 1, comment = "Mathematical Alternative Circled Operators" },
+ },
+ parameters = {
+ AccentBaseDepth = 30,
+ FlattenedAccentTopShiftUp = 0,
+ RadicalKernAfterDegree = -500,
+ DelimiterPercent = 90,
+ DelimiterShortfall = 400,
+ DisplayOperatorMinHeight = 1800, -- 1800 in font
+ PrimeShiftUp = "1.3*SuperscriptShiftUp",
+ PrimeShiftUpCramped = "1.3*SuperscriptShiftUp",
+ },
+ tweaks = {
+ aftercopying = {
+ {
+ tweak = "version",
+ expected = "Version 2.12 b168",
+ },
+ {
+ tweak = "fixprimes",
+ factor = 0.84,
+ },
+ {
+ tweak = "addmirrors",
+ },
+ -- MS: we need to check this, I moved it up
+ {
+ tweak = "replacealphabets",
+ list = {
+ {
+ source = "uppercasescript",
+ target = "uppercasecalligraphic",
+ },
+ {
+ source = "uppercasescript",
+ target = "uppercasescript",
+ feature = "ss01",
+ },
+ },
+ },
+ --
+ presets.scripttocalligraphic { },
+ presets.rsfstoscript { },
+ presets.rsfsuprighttoscript { },
+ presets.moderntocalligraphic { },
+ presets.eulertocalligraphic { },
+ presets.xitsarabic { rscale = 0.95 },
+ presets.fallbacks { },
+ presets.moveitalics { correct = true },
+ presets.moveitalics { correct = true, letters = true },
+ presets.moveintegrals { },
+ presets.wipeitalics { },
+ {
+ tweak = "simplifykerns",
+ },
+ {
+ tweak = "kerns",
+ list = {
+ [0x002F] = { topleft = -0.2, bottomright = -0.2 },
+ ["0x7D.parts.top"] = { topright = -0.15, }, -- right brace top
+ ["0x7D.parts.bottom"] = { bottomright = -0.15 }, -- right brace bottom
+ ["0x29.parts.top"] = { topright = -0.1, }, -- right parenthesis top
+ ["0x29.parts.bottom"] = { bottomright = -0.1 }, -- 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
+ [0x27E9] = { topright = -0.1, bottomright = -0.1 }, -- angle
+ ["0x27E9.variants.*"] = { topright = -0.2, bottomright = -0.2 },
+ [0x27EB] = { topright = -0.1, bottomright = -0.1 },
+ ["0x27EB.variants.*"] = { topright = -0.2, bottomright = -0.2 },
+ --
+ ["0x222B.parts.bottom"] = { bottomright = -0.30 }, -- int
+ },
+ },
+ -- Accents are a mess. We migrate the extensibles from the combiners to the base accent
+ -- and then need to tweak the width (which is auto set because it was zero with a large
+ -- accent anchor offset). First we copy and fix.
+ {
+ tweak = "extendaccents",
+ },
+ {
+ tweak = "radicaldegreeanchors",
+ list = {
+ [0x221A] = { location = "left", hfactor = 0.00, vfactor = 0.7 },
+ ["0x221A.variants.*"] = { location = "left", hfactor = 0.00, vfactor = 0.55 },
+ ["0x221A.variants.3"] = { location = "left", hfactor = 0.00, vfactor = .525 },
+ ["0x221A.parts.bottom"] = { location = "left", hfactor = 0.05, vfactor = 1.00 },
+ }
+ },
+
+ {
+ tweak = "fixaccents",
+ },
+ -- First we set the dimensions of the initial accent which started out as zero but we want
+ -- a proper width.
+ {
+ tweak = "dimensions",
+ list = {
+ [0x00302] = { width = 1.2, anchor = 1.10, xoffset = .05 }, -- widehat
+ [0x00303] = { width = 1.4, anchor = 1.20, xoffset = .10 }, -- widetilde
+ [0x00306] = { width = 1.4, anchor = 1.20, xoffset = .10 }, -- widebreve
+ [0x0030C] = { width = 1.4, anchor = 1.20, xoffset = .10 }, -- widecheck
+ },
+ },
+ -- Then we deal with all offsets and heights in one go. So we treat the initial accent
+ -- as well as the variants here.
+ {
+ tweak = "dimensions",
+ list = {
+ -- here we want to apply to all
+ [0x020DB] = { yoffset = 0.025, height = .95, all = true }, -- widedddot : 0x20DB (self)
+ },
+ },
+ -- We now copy these to the not wide slots so that we can set these to stretch as well,
+ -- if only because it is less confusing and more consistent.
+ {
+ tweak = "copyaccents",
+ },
+ -- So far for the accents.
+ {
+ tweak = "checkspacing",
+ },
+ {
+ tweak = "addscripts",
+ },
+ {
+ tweak = "accentdimensions",
+ },
+ {
+ tweak = "addrules",
+ },
+ {
+ tweak = "addarrows",
+ },
+ {
+ tweak = "fixslashes",
+ },
+ { -- already exists, but not good spacing
+ tweak = "addbars",
+ advance = 0.4,
+ },
+ {
+ tweak = "addactuarian",
+ },
+ {
+ tweak = "addfourier",
+ variant = 1,
+ },
+ {
+ tweak = "addprimed",
+ },
+ {
+ tweak = "addparts",
+ list = {
+ [0x21F4] = {
+ horizontal = true,
+ template = 0x2192,
+ sequence = {
+ { glyph = "first", factor = 2 },
+ { glyph = 0x2218 },
+ { glyph = "first", factor = 2 },
+ { glyph = "last" },
+ }
+ }
+ }
+ },
+ -- this is the mkiv section
+ {
+ tweak = "emulatelmtx",
+ feature = "emulatelmtx",
+ comment = "this is for mkiv",
+ },
+ },
+ },
+ bigslots = {
+ 1, 3, 5, 7
+ },
+ },
+}