line 1 column 1 - Warning: missing <!DOCTYPE> declaration
line 6 column 1 - Warning: <p> attribute "align" has invalid value "fizzle"
line 7 column 1 - Warning: The summary attribute on the <table> element is obsolete in HTML5
line 9 column 1 - Warning: <td> attribute "valign" has invalid value "center"
line 11 column 1 - Warning: <td> attribute "valign" has invalid value "fuzzle"
line 13 column 1 - Warning: <td> attribute "align" has invalid value "fuzzle"
line 13 column 1 - Warning: <td> attribute "valign" has invalid value "fuzzle"
line 6 column 1 - Warning: <p> attribute "align" not allowed for HTML5
line 9 column 1 - Warning: <td> attribute "align" not allowed for HTML5
line 11 column 1 - Warning: <td> attribute "align" not allowed for HTML5
line 13 column 1 - Warning: <td> attribute "align" not allowed for HTML5
Info: Document content looks like HTML5
Tidy found 11 warnings and 0 errors!

About HTML Tidy: https://github.com/htacg/tidy-html5
Bug reports and comments: https://github.com/htacg/tidy-html5/issues
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Latest HTML specification: https://html.spec.whatwg.org/multipage/
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https://github.com/htacg/tidy-html5/blob/master/README/LOCALIZE.md