tiny additions to the visitor use documentation

alib2data/src/regexp/formal/FormalRegExpElement.h

@@ -64,7 +64,7 @@ template < class SymbolType >
 class FormalRegExpElement : public base::CommonBaseMiddle < FormalRegExpElement < SymbolType > >, public ext::BaseNode < FormalRegExpElement < SymbolType > > {
 protected:
 	/**
-	 * Visitor interface of the element
+	 * Visitor interface of the element.
 	 */
 	class Visitor {
 	public:
@@ -135,7 +135,7 @@ protected:
 	};
 	/**
-	 * \brief Accept method of the visitor pattern
+	 * \brief Accept method of the visitor pattern. This is where the actual type of this object is evaluated.
 	 *
 	 * \param visitor the accepted visitor.
 	 */

alib2data/src/regexp/unbounded/UnboundedRegExpElement.h

@@ -64,7 +64,7 @@ template < class SymbolType >
 class UnboundedRegExpElement : public base::CommonBaseMiddle < UnboundedRegExpElement < SymbolType > >, public ext::BaseNode < UnboundedRegExpElement < SymbolType > > {
 protected:
 	/**
-	 * Visitor interface of the element
+	 * Visitor interface of the element.
 	 */
 	class Visitor {
 	public:
@@ -135,7 +135,7 @@ protected:
 	};
 	/**
-	 * \brief Accept method of the visitor pattern
+	 * \brief Accept method of the visitor pattern. This is where the actual type of this object is evaluated.
 	 *
 	 * \param visitor the accepted visitor.
 	 */

alib2data/src/rte/formal/FormalRTEElement.h

@@ -57,7 +57,7 @@ template < class SymbolType, class RankType >
 class FormalRTEElement : public base::CommonBase < FormalRTEElement < SymbolType, RankType > >, public ext::BaseNode < FormalRTEElement < SymbolType, RankType > > {
 protected:
 	/**
-	 * Visitor interface of the element
+	 * Visitor interface of the element.
 	 */
 	class Visitor {
 	public:
@@ -128,7 +128,7 @@ protected:
 	};
 	/**
-	 * \brief Accept method of the visitor pattern
+	 * \brief Accept method of the visitor pattern. This is where the actual type of this object is evaluated.
 	 *
 	 * \param visitor the accepted visitor.
 	 */