So far we have loosely mentioned "using aliases" where we needed to use a placeholder to be replaced with a value later. When an alias needs to be used instead of a literal value its reference is stored using a
% prefix. This is a way to distinguish the alias reference from normal values. An alias is referenced using one of two formats—
%alias_set_name.alias_name or just
%alias_name. If the name of the alias set containing the alias is known at design time the first format can be used. However, the full potential of aliases can be realized only with the second format. When no alias set is specified in the reference, Content Server uses an algorithm based on the situation to identify an alias set to locate the alias value. This ...