./test/VC/OneID:4: validity error : Element doc has too may ID attributes defined : id
<!ATTLIST doc id ID #IMPLIED>
                            ^
./test/VC/OneID:0: validity error : Element doc has too many ID attributes defined : id
./test/VC/OneID:4: validity error : Element doc has 2 ID attribute defined in the internal subset : id
<!ATTLIST doc id ID #IMPLIED>
                            ^