chromium/third_party/blink/web_tests/svg/hixie/error/dumpAsText/005.xml

<svg width="300" height="200" xmlns="http://www.example.org/"> <!-- wrong namespace, but sent as image/svg+xml -->
 <desc>There should be no red on this page.</desc>
 <rect x="10" y="10" width="280" height="180" fill="red"/>
</svg>