diff --git a/Makefile b/Makefile
index 4704169..2540cf9 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ cleanly:
 	rm -f *.lex.cc *.lex.o location.hh stack.hh position.hh rsin_parser.cc rsin_parser.hh
 
 clean: cleanly
-	rm -f *.o main *~ makefile.dep tags
+	rm -f *.o main *.orig *~ makefile.dep tags
 
 cleanall: clean
 
diff --git a/ctx_aut.cc b/ctx_aut.cc
index 9889ef5..11e30d8 100644
--- a/ctx_aut.cc
+++ b/ctx_aut.cc
@@ -73,6 +73,7 @@ void CtxAut::showStates(void)
 {
   cout << "# Context Automaton States:" << endl;
   cout << " = Init state: " << getStateName(init_state_id) << endl;
+
   for (const auto &s : states_ids) {
     cout << " * " << s << endl;
   }
@@ -88,6 +89,7 @@ void CtxAut::saveCurrentContextSet(Process proc_id)
   if (!parent_rctsys->hasProcess(proc_id)) {
     FERROR("No such process: ID=" << proc_id);
   }
+
   tmpProcEntities[proc_id] = tmpEntities;
   tmpEntities.clear();
 }
@@ -108,6 +110,7 @@ void CtxAut::addTransition(std::string srcStateName, std::string dstStateName)
 void CtxAut::showTransitions(void)
 {
   cout << "# Context Automaton Transitions:" << endl;
+
   for (const auto &t : transitions) {
     cout << " * [" << getStateName(t.src_state) << " -> " << getStateName(
            t.dst_state)
diff --git a/rs.cc b/rs.cc
index 2e10ffb..99b85d8 100644
--- a/rs.cc
+++ b/rs.cc
@@ -96,6 +96,7 @@ bool RctSys::hasProcess(Process processID)
   if (processID >= processes_ids.size()) {
     return false;
   }
+
   return true;
 }
 
@@ -104,6 +105,7 @@ Process RctSys::getProcessID(std::string processName)
   if (!hasProcess(processName)) {
     FERROR("No such process: " << processName);
   }
+
   return processes_names[processName];
 }
 
@@ -122,6 +124,7 @@ void RctSys::pushReactant(std::string entityName)
   if (!hasEntity(entityName)) {
     addEntity(entityName);
   }
+
   tmpReactants.insert(getEntityID(entityName));
 }
 void RctSys::pushInhibitor(std::string entityName)
@@ -129,6 +132,7 @@ void RctSys::pushInhibitor(std::string entityName)
   if (!hasEntity(entityName)) {
     addEntity(entityName);
   }
+
   tmpInhibitors.insert(getEntityID(entityName));
 }
 void RctSys::pushProduct(std::string entityName)
@@ -136,6 +140,7 @@ void RctSys::pushProduct(std::string entityName)
   if (!hasEntity(entityName)) {
     addEntity(entityName);
   }
+
   tmpProducts.insert(getEntityID(entityName));
 }
 
@@ -179,11 +184,11 @@ std::string RctSys::entitiesToStr(const Entities &entities)
 std::string RctSys::procEntitiesToStr(const EntitiesForProc &procEntities)
 {
   std::string s = " ";
-  
-  for (auto const &p : procEntities)
-  {
+
+  for (auto const &p : procEntities) {
     s += getProcessName(p.first) + "={" + entitiesToStr(p.second) + "} ";
   }
+
   return s;
 }
 
diff --git a/rs.hh b/rs.hh
index b8b256d..0247a24 100644
--- a/rs.hh
+++ b/rs.hh
@@ -93,7 +93,7 @@ class RctSys
     void ctxAutAddTransition(std::string srcStateName, std::string dstStateName);
     void ctxAutPushNamedContextEntity(std::string entity_name);
     void ctxAutSaveCurrentContextSet(std::string processName);
-    
+
     bool initStatesDefined(void)
     {
       return initStates.size() != 0;