/// <summary>
 /// Adds a Symbol object defined by a character.
 /// </summary>
 public Character AddCharacter(char ch)
 {
     return(Elements.AddCharacter(ch));
 }
 /// <summary>
 /// Adds a Symbol object.
 /// </summary>
 public Character AddCharacter(SymbolName symbolType)
 {
     return(Elements.AddCharacter(symbolType));
 }
 /// <summary>
 /// Adds one or more Symbol objects defined by a character.
 /// </summary>
 public Character AddCharacter(char ch, int count)
 {
     return(Elements.AddCharacter(ch, count));
 }
 /// <summary>
 /// Adds one or more Symbol objects.
 /// </summary>
 public Character AddCharacter(SymbolName symbolType, int count)
 {
     return(Elements.AddCharacter(symbolType, count));
 }