--- a/svghmi/svghmi.c	Fri Aug 09 12:11:31 2019 +0200
+++ b/svghmi/svghmi.c	Fri Aug 09 12:12:24 2019 +0200
@@ -1,6 +1,7 @@
 
 void test_me(void){
     /*
-    %(hmi_tree)
+    %(hmi_tree)s
     */
+    return;
 }