[EXI] What are Sub Types ?

Hi EXI WG

       What are names subtypes of a Type definition T. 

When strict options is true and if a element Ei type definition has named
sub types then the following production is added to Element i

 

Element i , 0:

       AT(xsi:type) Element i, 0      n.m

 

Please clarify the above.

 

Regards

Santhanakrishnan