public void AddSubstitution(String replacementTag, List <String> substitutionValues)
{
//let the system complain if they do something bad, since the function returns null
Header.AddSubstitution(replacementTag, substitutionValues);
}
public void AddSubstitution(String replacementTag, List <String> substitutionValues)
{
//let the system complain if they do something bad, since the function returns null
Header.AddSubstitution(replacementTag, substitutionValues);
}