Index: trunk/doc/user/06_feature/scripting/rosetta/72_dad_unitconv/ex.lua
===================================================================
--- trunk/doc/user/06_feature/scripting/rosetta/72_dad_unitconv/ex.lua	(nonexistent)
+++ trunk/doc/user/06_feature/scripting/rosetta/72_dad_unitconv/ex.lua	(revision 20232)
@@ -0,0 +1,27 @@
+function uconv()
+	if dad("uconv", "exists") ~= 0 then
+		return
+	end
+
+	dad("uconv", "new")
+	dad("uconv", "begin_hbox")
+		inp = dad("uconv", "coord", 0, "100m")
+			dad("uconv", "onchange", "uconv_update")
+		dad("uconv", "begin_vbox")
+			res1 = dad("uconv", "label", "-")
+			res2 = dad("uconv", "label", "-")
+			res3 = dad("uconv", "label", "-")
+		dad("uconv", "end")
+	dad("uconv", "end")
+	dad("uconv", "run", "Unit converter", "")
+end
+
+function uconv_update()
+	dad("uconv", "set", res1, dad("uconv", "get", inp, "mm") .. " mm")
+	dad("uconv", "set", res2, dad("uconv", "get", inp, "mil") .. " mil")
+	dad("uconv", "set", res3, dad("uconv", "get", inp, "inch") .. " inch")
+end
+
+fgw_func_reg("uconv")
+fgw_func_reg("uconv_update")
+
Index: trunk/doc/user/06_feature/scripting/rosetta/72_dad_unitconv/index.html
===================================================================
--- trunk/doc/user/06_feature/scripting/rosetta/72_dad_unitconv/index.html	(revision 20231)
+++ trunk/doc/user/06_feature/scripting/rosetta/72_dad_unitconv/index.html	(revision 20232)
@@ -12,6 +12,8 @@
 <H2> Example implementations </H2>
 <a href="ex.awk">awk</a>
  | 
+<a href="ex.lua">lua</a>
+ | 
 <a href="ex.tcl">tcl</a>
 <h2> Explanation, step by step </h2>
 Create a function 
Index: trunk/doc/user/06_feature/scripting/rosetta/index.html
===================================================================
--- trunk/doc/user/06_feature/scripting/rosetta/index.html	(revision 20231)
+++ trunk/doc/user/06_feature/scripting/rosetta/index.html	(revision 20232)
@@ -49,7 +49,7 @@
 <tr>
  <td>72
  <td><a href="72_dad_unitconv/index.html">unit converter (GUI, interactive)</a>
- <td> awk tcl
+ <td> awk lua tcl
  <td>Interactive unit converter in a dialog, created via dad().
 </table>