Index: compile_rules_graph.py
==================================================================
--- compile_rules_graph.py
+++ compile_rules_graph.py
@@ -218,10 +218,14 @@
         return [sOption, sCondition, cAction, ""]
     else:
         print("# Unknown action at line " + sIdAction)
         return None
 
+
+def printBookmark (nLevel, sComment, nLine):
+    print("  {:>6}:  {}".format(nLine, "  " * nLevel + sComment))
+
 
 def make (spLang, sLang, bJavaScript):
     "compile rules, returns a dictionary of values"
     # for clarity purpose, don’t create any file here
 
@@ -310,15 +314,18 @@
                 dAllGraph[sGraphName].append((j, sRuleName, sTokenLine, sActions, nPriority))
             lTokenLine.clear()
             sActions = ""
             sRuleName = ""
             nPriority = 4
-        elif sLine.startswith(("        ")):
+        elif sLine.startswith(("        <<-", "    <<-")):
             # actions
             sActions += " " + sLine.strip()
-        else:
+        elif sLine.startswith(("    ")):
             lTokenLine.append([i, sLine.strip()])
+        else:
+            print("Unknown line:")
+            print(sLine)
 
     # tests
     print("  list tests...")
     sGCTests = "\n".join(lTest)
     sGCTestsJS = '{ "aData2": ' + json.dumps(lTest, ensure_ascii=False) + " }\n"