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return {
name = "common-math-jmn",
version = "1.00",
comment = "Goodies that complement the JMN collection.",
author = "Hans, Mikael",
copyright = "ConTeXt development team",
mathematics = {
helpers = {
addmissing = function(main)
local builders = fonts.handlers.vf.math.builders
local ps = fonts.helpers.privateslot
local characters = main.characters
local variables = main.goodies.mathematics and main.goodies.mathematics.variables or { }
local joinrelfactor = variables.joinrelfactor or 3
local notshiftfactor = variables.notshiftfactor or 0
local umbracepiece = ps("um brace piece")
local lmbracepiece = ps("lm brace piece")
local cmbracepiece = ps("cm brace piece")
local ulbracepiece = ps("ul brace piece")
local urbracepiece = ps("ur brace piece")
local llbracepiece = ps("ll brace piece")
local lrbracepiece = ps("lr brace piece")
builders.brace(main,0x23DE,ulbracepiece,cmbracepiece,lrbracepiece,llbracepiece,cmbracepiece,urbracepiece)
builders.brace(main,0x23DF,llbracepiece,cmbracepiece,urbracepiece,ulbracepiece,cmbracepiece,lrbracepiece)
builders.parent(main,0x23DC,ulbracepiece,umbracepiece,urbracepiece,"top")
builders.parent(main,0x23DD,llbracepiece,lmbracepiece,lrbracepiece,"bottom")
builders.dots(main,0x2026) -- ldots
builders.dots(main,0x22EE) -- vdots
builders.dots(main,0x22EF) -- cdots
builders.dots(main,0x22F1) -- ddots
builders.dots(main,0x22F0) -- udots
builders.jointwo(main,0x21A6,ps("maps to piece"),.15,0x02192) -- \mapstochar\rightarrow
local srm = ps("rule middle piece")
local srr = ps("rule right piece")
local srl = ps("rule left piece")
local drm = ps("double rule middle piece")
local drr = ps("double rule right piece")
local drl = ps("double rule left piece")
local sal = ps("arrow left piece")
local sar = ps("arrow right piece")
local dal = ps("double arrow left piece")
local dar = ps("double arrow right piece")
local rad = ps("radical bar extender")
if characters[srm] then
builders.jointwo(main,0x27F5,sak,joinrelfactor,srr)
builders.jointwo(main,0x27F6,srl,joinrelfactor,sar)
builders.jointwo(main,0x27F7,sak,joinrelfactor,sar)
builders.jointwo(main,0x27F8,dal,joinrelfactor,drr)
builders.jointwo(main,0x27F9,drl,joinrelfactor,dar)
builders.jointwo(main,0x27FA,dal,joinrelfactor,dar)
builders.horibar(main,0x203E,srm,srl,srr,0x02212) -- overbar underbar fraction (we take 90/91/92 too!)
-- builders.horibar(main,0x203E,srm,srl,srr,0x0002D) -- overbar underbar fraction (we take 90/91/92 too!)
builders.rootbar(main,ps("radical bar extender"),srm,srr,0x02212) -- radical
else
builders.jointwo(main,0x27F5,0x02190,joinrelfactor,0x0002D) -- \leftarrow\joinrel\relbar
builders.jointwo(main,0x27F6,0x0002D,joinrelfactor,0x02192) -- \relbar\joinrel\rightarrow
builders.jointwo(main,0x27F7,0x02190,joinrelfactor,0x02192) -- \leftarrow\joinrel\rightarrow
builders.jointwo(main,0x27F8,0x021D0,joinrelfactor,0x0003D) -- \Leftarrow\joinrel\Relbar
builders.jointwo(main,0x27F9,0x0003D,joinrelfactor,0x021D2) -- \Relbar\joinrel\Rightarrow
builders.jointwo(main,0x27FA,0x021D0,joinrelfactor,0x021D2) -- \Leftarrow\joinrel\Rightarrow
builders.horibar(main,0x203E,0xFE073) -- overbar underbar
end
builders.jointwo(main,0x2016,0x007C,0.20,0x007C)
builders.jointwo(main,0x2980,0x007C,0.20,0x007C,0.20,0x007C)
characters[0x007C].extensible = true
characters[0x007C].varianttemplate = 0x5B
characters[0x2016].extensible = true
characters[0x2016].varianttemplate = 0x5B
characters[0x2980].extensible = true
characters[0x2980].varianttemplate = 0x5B
-- 21CB leftrightharpoon
-- 21CC rightleftharpoon
builders.stack(main,0x2259,0x0003D,3,0x02227) -- \buildrel\wedge\over=
builders.jointwo(main,0x22C8,0x022B3,joinrelfactor,0x022B2) -- \mathrel\triangleright\joinrel\mathrel\triangleleft (4 looks better than 3)
builders.jointwo(main,0x22A7,0x0007C,joinrelfactor,0x0003D) -- \mathrel|\joinrel=
builders.overlaytwo(main,0x2260,0x00338,notshiftfactor,0x0003D) -- \not\equal
builders.overlaytwo(main,0x2284,0x00338,notshiftfactor,0x02282) -- \not\subset
builders.overlaytwo(main,0x2285,0x00338,notshiftfactor,0x02283) -- \not\supset
builders.overlaytwo(main,0x2209,0x00338,notshiftfactor,0x02208) -- \not\in
builders.jointwo(main,0x2254,0x03A,0,0x03D) -- := (≔)
builders.repeated(main,0x222B,0x222B,1,1/2)
builders.repeated(main,0x222C,0x222B,2,1/2)
builders.repeated(main,0x222D,0x222B,3,1/2)
characters[0x02B9] = characters[0x2032] -- we're nice
end
}
}
}
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