1 ./test/VC/AttributeNmtokens:6: element test: validity error : Syntax of value for attribute attr1 of test is not valid 2 <test attr1=" a	b "/> 3 ^ 4
1 ./test/VC/AttributeNmtokens:6: element test: validity error : Syntax of value for attribute attr1 of test is not valid 2 <test attr1=" a	b "/> 3 ^ 4