The two DTSs are not equivalent.

DTS1 starts at dts1305a.xsd
DTS2 starts at dts1305b.xsd

The diff paths are:
???
[EvChange] 
	[EvRelationshipFrom] parent-child A -> D  [EvOrder]
	
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The two DTSs are equivalent.

DTS1 starts at dts1305a.xsd
DTS2 starts at dts1305c.xsd

The diff paths are:
NO DIFF PATH!!!

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The two DTSs are not equivalent for U1101, U1215, U1217(new concept dts:conceptE) but equivalent for U1305.

DTS1 starts at dts1305a.xsd
DTS2 starts at dts1305d.xsd

The diff paths are:
NO DIFF PATH!!!