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if not modules then modules = { } end modules ['math-frc'] = {
version = 1.001,
comment = "companion to math-frc.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- obsolete
--
-- \def\math_frac_command_u
-- {\clf_umathfraction % we can get this bakc to the tex end
-- {\mathfractionparameter\c!rule}%
-- \ifempty\p_math_fraction_fences
-- \mathfractionparameter\c!left \space
-- \mathfractionparameter\c!right\space
-- \else
-- \math_frac_no_delim\space
-- \math_frac_no_delim\space
-- \fi
-- \dimexpr\mathfractionparameter\c!rulethickness\relax
-- {\number\namedboxanchor{\mathfractionparameter\c!source}}%
-- \relax}
--
-- local utfchar = utf.char
--
-- local context = context
-- local variables = interfaces.variables
--
-- local v_no = variables.no
-- local v_yes = variables.yes
-- local v_hidden = variables.hidden
--
-- local resolved = {
-- [0x007B] = "\\{",
-- [0x007D] = "\\}",
-- }
--
-- table.setmetatableindex(resolved, function(t,k)
-- local v = utfchar(k)
-- t[k] = v
-- return v
-- end)
--
-- local function umathfraction(how,left,right,width,source)
-- source = tonumber(source) or 0
-- if how == v_no then
-- if left == 0x002E and right == 0x002E then
-- context("\\Uatop source %i ",source)
-- else
-- context("\\Uatopwithdelims %s%s source %i ",resolved[left],resolved[right],source)
-- end
-- elseif how == v_yes or how == v_hidden then
-- local norule = how == v_hidden and "norule" or ""
-- if left == 0x002E and right == 0x002E then
-- context("\\Uabove source %i %s %ssp",source,norule,width)
-- else
-- context("\\Uabovewithdelims %s%s source %i %s %ssp",resolved[left],resolved[right],source,norule,width)
-- end
-- else -- v_auto
-- if left == 0x002E and right == 0x002E then
-- context("\\Uover source %i ",source)
-- else
-- context("\\Uoverwithdelims %s%s source %i ",resolved[left],resolved[right],source)
-- end
-- end
-- end
--
-- interfaces.implement {
-- name = "umathfraction",
-- actions = umathfraction,
-- protected = true,
-- arguments = { "string", "number", "number", "dimen", "string" }
-- }
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