TEST :Identity-constraint Definition Schema Component : keyref element, content of single annotation
http://www.w3.org/TR/2004/REC-xmlschema-1-20041028/#cIdentity-constraint_Definitions
| Item | Value | 
|---|---|
| title | idC040 - idC040 | 
| name | idC040 | 
| source | ../idC040.xsd | 
| schemaName | ../idC040.xsd | 
| keywords | schema negative | 
| package | javasoft.sqe.tests.identityconstraint.idc040 |