--- a/svghmi/parse_labels.ysl2	Tue Apr 13 21:00:34 2021 +0200
+++ b/svghmi/parse_labels.ysl2	Tue Apr 13 21:04:46 2021 +0200
@@ -54,7 +54,7 @@
                         error > Widget id:«$id» label:«$label» has wrong syntax of path section «$pathminmax»
                     }
                 }
-                choose {
+                if "$indexed_hmitree" choose {
                     when "regexp:test($path,'^\.[a-zA-Z0-9_]+$')" {
                         attrib "type" > PAGE_LOCAL
                     }
@@ -78,3 +78,18 @@
     }
 }
 
+
+// Templates to generate label back from parsed tree
+template "arg", mode="genlabel" > :«@value»
+
+template "path", mode="genlabel" {
+    > @«@value»
+    if "string-length(@min)>0 or string-length(@max)>0"  > :«@min»:«@max»
+}
+
+template "widget", mode="genlabel" {
+    > HMI:«@type»
+    apply "arg", mode="genlabel";
+    apply "path", mode="genlabel";
+}
+