diff -r ac08a5d15c15 -r 8e3d130399b0 svghmi/widget_custom.ysl2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svghmi/widget_custom.ysl2	Wed Mar 18 09:16:14 2020 +0100
@@ -0,0 +1,60 @@
+// widget_custom.ysl2
+//
+// widget entierely defined from JS code in Inkscape description field
+
+// TODO
+
+// a preliminary implementation was initially attempted but disabled
+// code collected around before code refactoring
+
+
+
+        /* TODO re-enable
+        ||
+        function evaluate_js_from_descriptions() {
+            var Page;
+            var Input;
+            var Display;
+            var res = [];
+        ||
+        const "midmark" > \n«$mark»
+        apply """//*[contains(child::svg:desc, $midmark) or \
+                     starts-with(child::svg:desc, $mark)]""",2 
+              mode="code_from_descs";
+        ||
+            return res;
+        }
+        ||
+        */
+
+    // template "*", mode="code_from_descs" {
+    //     ||
+    //     {
+    //         var path, role, name, priv;
+    //         var id = "«@id»";
+    //     ||
+
+    //     /* if label is used, use it as default name */
+    //     if "@inkscape:label"
+    //         |> name = "«@inkscape:label»";
+
+    //     | /* -------------- */
+
+    //     // this breaks indent, but fixing indent could break string literals
+    //     value "substring-after(svg:desc, $mark)";
+    //     // nobody reads generated code anyhow...
+
+    //     ||
+
+    //         /* -------------- */
+    //         res.push({
+    //             path:path,
+    //             role:role,
+    //             name:name,
+    //             priv:priv
+    //         })
+    //     }
+    //     ||
+    // }
+
+