1if not modules then modules = { } end modules ['math-frc'] = { 2 version = 1.001, 3 comment = "companion to math-frc.mkiv", 4 author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", 5 copyright = "PRAGMA ADE / ConTeXt Development Team", 6 license = "see context related readme files" 7} 8 9-- obsolete 10-- 11-- \def\math_frac_command_u 12-- {\clf_umathfraction % we can get this bakc to the tex end 13-- {\mathfractionparameter\c!rule}% 14-- \ifempty\p_math_fraction_fences 15-- \mathfractionparameter\c!left \space 16-- \mathfractionparameter\c!right\space 17-- \else 18-- \math_frac_no_delim\space 19-- \math_frac_no_delim\space 20-- \fi 21-- \dimexpr\mathfractionparameter\c!rulethickness\relax 22-- {\number\namedboxanchor{\mathfractionparameter\c!source}}% 23-- \relax} 24-- 25-- local utfchar = utf.char 26-- 27-- local context = context 28-- local variables = interfaces.variables 29-- 30-- local v_no = variables.no 31-- local v_yes = variables.yes 32-- local v_hidden = variables.hidden 33-- 34-- local resolved = { 35-- [0x007B] = "\\{", 36-- [0x007D] = "\\}", 37-- } 38-- 39-- table.setmetatableindex(resolved, function(t,k) 40-- local v = utfchar(k) 41-- t[k] = v 42-- return v 43-- end) 44-- 45-- local function umathfraction(how,left,right,width,source) 46-- source = tonumber(source) or 0 47-- if how == v_no then 48-- if left == 0x002E and right == 0x002E then 49-- context("\\Uatop source %i ",source) 50-- else 51-- context("\\Uatopwithdelims %s%s source %i ",resolved[left],resolved[right],source) 52-- end 53-- elseif how == v_yes or how == v_hidden then 54-- local norule = how == v_hidden and "norule" or "" 55-- if left == 0x002E and right == 0x002E then 56-- context("\\Uabove source %i %s %ssp",source,norule,width) 57-- else 58-- context("\\Uabovewithdelims %s%s source %i %s %ssp",resolved[left],resolved[right],source,norule,width) 59-- end 60-- else -- v_auto 61-- if left == 0x002E and right == 0x002E then 62-- context("\\Uover source %i ",source) 63-- else 64-- context("\\Uoverwithdelims %s%s source %i ",resolved[left],resolved[right],source) 65-- end 66-- end 67-- end 68-- 69-- interfaces.implement { 70-- name = "umathfraction", 71-- actions = umathfraction, 72-- protected = true, 73-- arguments = { "string", "number", "number", "dimen", "string" } 74-- } 75 |
