(Imported from Google Code)
The definition of the ddms:resource has changed in DDMS 5.0. The resource is now an Assertion rather than a full metacard.
The ExtensibleElement extension point is removed. (moved to TDF)
The ExtensibleAttributes extension point is removed. (moved to TDF)
New attribute, ddms:compliesWith (optional NMTOKENS)
RootSecurityAttributesGroup and MetacardSecurityAttributesGroup removed. (moved to TDF)
Complete in Rev 920.
ddms:compliesWith reuses the code for ism:compliesWith.