TidyHTML vomit below

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line 2 column 1 - Warning: missing <!DOCTYPE> declaration
line 128 column 1 - Warning: missing </center>
line 131 column 4 - Warning: <tr> attribute "height" has invalid value "50px"
line 204 column 135 - Warning: <tr> attribute "height" has invalid value "400px"
line 204 column 152 - Warning: <td> attribute "width" has invalid value "200px"
line 236 column 6 - Warning: <td> attribute "width" has invalid value "400px"
line 236 column 52 - Warning: <img> lacks "alt" attribute
line 238 column 7 - Warning: trimming empty <tr>
line 129 column 2 - Warning: <table> proprietary attribute "height"
line 129 column 2 - Warning: <table> proprietary attribute "valign"
line 131 column 4 - Warning: <tr> proprietary attribute "height"
line 204 column 135 - Warning: <tr> proprietary attribute "height"
Info: Document content looks like HTML5
Info: No system identifier in emitted doctype
Tidy found 12 warnings and 0 errors!


The alt attribute should be used to give a short description
of an image; longer descriptions should be given with the
longdesc attribute which takes a URL linked to the description.
These measures are needed for people using non-graphical browsers.

For further advice on how to make your pages accessible
see http://www.w3.org/WAI/GL.
About HTML Tidy: https://github.com/htacg/tidy-html5
Bug reports and comments: https://github.com/htacg/tidy-html5/issues
Official mailing list: https://lists.w3.org/Archives/Public/public-htacg/
Latest HTML specification: http://dev.w3.org/html5/spec-author-view/
Validate your HTML documents: http://validator.w3.org/nu/
Lobby your company to join the W3C: http://www.w3.org/Consortium

Do you speak a language other than English, or a different variant of
English? Consider helping us to localize HTML Tidy. For details please see
https://github.com/htacg/tidy-html5/blob/master/README/LOCALIZE.md