--- /dev/null
+module EC = RecommCheck
+module ES = RecommStep
+module ET = RecommTypes
+
+module D = RecommPcsAnd
+
+let p_line = ref ES.id
+
+let step k st outs ins =
+ if st = ET.KO then k st outs ins else
+ !p_line k ET.OO outs ins
+
+let register_p =
+ ES.register p_line
+
+let main =
+ EC.register_s step