1 files changed, 53 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/strc-mat.lua b/tex/context/base/mkiv/strc-mat.lua
new file mode 100644
index 000000000..87f35ed1d
--- /dev/null
+++ b/tex/context/base/mkiv/strc-mat.lua
@@ -0,0 +1,53 @@
+if not modules then modules = { } end modules ['strc-mat'] = {
+    version   = 1.001,
+    comment   = "companion to strc-mat.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+----- copytable  = table.copy
+
+local structures = structures
+
+local lists      = structures.lists
+local sections   = structures.sections
+local floats     = structures.floats
+local helpers    = structures.helpers
+local formulas   = structures.formulas -- not used but reserved
+
+----- context    = context
+----- simplify   = helpers.simplify
+
+-- maybe we want to do clever things with formulas, the store might go away
+
+-- local formuladata = { }
+--
+-- function formulas.store(data)
+--     formuladata[#formuladata+1] = data
+--     context(#formuladata)
+-- end
+--
+-- function formulas.current()
+--     return formuladata[#formuladata]
+-- end
+
+-- function formulas.simplify(entry)
+--     return simplify(copytable(entry or formuladata[#formuladata]))
+-- end
+
+function helpers.formulanumber(data,spec)
+    if data then
+        local formulanumber = data.formulanumber
+        if formulanumber then
+            sections.number(data,spec,"formulanumber","formulanumber",'number')
+        end
+    end
+end
+
+function lists.formulanumber(name,n,spec)
+    local result = lists.result
+    if result then
+        helpers.formulanumber(result[n])
+    end
+end