diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/base/math-frc.lua')
-rw-r--r-- | Master/texmf-dist/tex/context/base/math-frc.lua | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/math-frc.lua b/Master/texmf-dist/tex/context/base/math-frc.lua new file mode 100644 index 00000000000..4f531a5307a --- /dev/null +++ b/Master/texmf-dist/tex/context/base/math-frc.lua @@ -0,0 +1,51 @@ +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" +} + +local utfchar = utf.char + +local context = context +local variables = interfaces.variables + +local v_no = variables.no +local v_yes = variables.yes + +local resolved = { + [0x007B] = "\\{", + [0x007D] = "\\}", +} + +table.setmetatableindex(resolved, function(t,k) + local v = utfchar(k) + t[k] = v + return v +end) + +local normalatop = context.normalatop +local normalover = context.normalover + +function commands.math_frac(how,left,right,width) + if how == v_no then + if left == 0x002E and right == 0x002E then + normalatop() + else + context("\\atopwithdelims%s%s",resolved[left],resolved[right]) + end + elseif how == v_yes then + if left == 0x002E and right == 0x002E then + context("\\normalabove%ssp",width) + else + context("\\abovewithdelims%s%s%ssp",resolved[left],resolved[right],width) + end + else -- v_auto + if left == 0x002E and right == 0x002E then + normalover() + else + context("\\overwithdelims%s%s",resolved[left],resolved[right]) + end + end +end |