private static void ParseSOMelementAndAttributes(Specification S, XmlElement E)
{
bool specialized = true;
SOM som = ParseOMelementAndAttributes(S, E, specialized) as SOM;
if (S.IsTypeName(som.Name))
throw new G25.UserException("In specialized outermorphism definition: a type '" + som.Name + "' already exists.");
S.AddSpecializedOM(som);
}