{"tests": [

{"description": "valid html xmlns attribute",
"input": "<html xmlns=http://www.w3.org/1999/xhtml>",
"fail-if": "invalid-root-namespace"},

{"description": "invalid html xmlns attribute due to leading space",
"input": "<html xmlns=' http://www.w3.org/1999/xhtml'>",
"fail-unless": "invalid-root-namespace"},

{"description": "invalid html xmlns attribute due to trailing space",
"input": "<html xmlns='http://www.w3.org/1999/xhtml '>",
"fail-unless": "invalid-root-namespace"},

{"description": "invalid html xmlns attribute due to uppercase",
"input": "<html xmlns=HTTP://WWW.W3.ORG/1999/XHTML>",
"fail-unless": "invalid-root-namespace"},

{"description": "invalid xmlns attribute on non-html element",
"input": "<body xmlns=http://www.w3.org/1999/xhtml>",
"fail-unless": "unknown-attribute"}

]}