Fix generation of epsilon rules.

aconversions/src/conversions/fa2rg/fa2rg.cpp

@@ -44,14 +44,11 @@ RightRegularGrammar FA2RGconvert::convert( const FSM & automaton )
     // step 4
     if ( isInSet( State( grammar.getStartSymbol().getSymbol() ), automaton.getFinalStates() ) )
     {
-        grammar.addTerminalSymbol( Symbol( "" ) ); //FIXME no need for this! (alib problem)
-
         // 4a
         if ( ! GrammarUtils::isNonterminalOnRightSide( grammar.getStartSymbol(), grammar.getRules() ) )
         {
             list<Symbol> leftSide, rightSide;
             leftSide.push_back( grammar.getStartSymbol() );
-            rightSide.push_back( Symbol( "" ) );
             Rule r( leftSide, rightSide );
             grammar.addRule(r);
         }
@@ -74,7 +71,6 @@ RightRegularGrammar FA2RGconvert::convert( const FSM & automaton )
             list<Symbol> leftSide, rightSide;
             leftSide.push_back( newStart );
-            rightSide.push_back( Symbol( "" ) );
             Rule rr( leftSide, rightSide );
             grammar.addRule(rr);
         }