Error: Attribute alt not allowed on element span at this point.
Error: Table columns in range 2…4 established by element td have no cells beginning in them.
Error: Self-closing syntax (/>) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Error: Row 1 of a row group established by a tbody element has no cells beginning on it.
Warning: A table row was 0 columns wide, which is less than the column count established by the first row (5).
Error: Duplicate ID submita.
Error: Bad value 100% for attribute width on element img: Expected a digit but saw % instead.
Error: Bad value 100% for attribute height on element img: Expected a digit but saw % instead.
Warning: The border attribute is obsolete. Consider specifying img { border: 0; } in CSS instead.
Avoid potential future Error: Duplicate ID submit.
Error: Attribute autocomplete is only allowed when the input type is color, date, datetime-local, email, hidden, month, number, password, range, search, tel, text, time, url, or week.
* optionally show md5 hash in rules page
* generate md5 hash when flushing rules
* make sure rules without interface are rendered in the floating section, so they don't get lost.
Eventually the md5 hashes should be replaced with uuid's, like the other mvc code blocks use.
width, align, valign, cellpadding, cellspacing, border, summary
Error: The width attribute on the table element is obsolete. Use CSS instead.
Error: The align attribute on the table element is obsolete. Use CSS instead.
Error: The valign attribute on the table element is obsolete. Use CSS instead.
Error: The cellpadding attribute on the table element is obsolete. Use CSS instead.
Error: The cellspacing attribute on the table element is obsolete. Use CSS instead.
Error: The border attribute on the table element is obsolete. Use CSS instead.
Error: The summary attribute on the table element is obsolete. Consider describing the structure of the table in a caption element or in a figure element containing the table; or, simplify the structure of the table so that no description is needed.
width, align, valign, cellpadding, cellspacing, border, summary
Error: The width attribute on the table element is obsolete. Use CSS instead.
Error: The align attribute on the table element is obsolete. Use CSS instead.
Error: The valign attribute on the table element is obsolete. Use CSS instead.
Error: The cellpadding attribute on the table element is obsolete. Use CSS instead.
Error: The cellspacing attribute on the table element is obsolete. Use CSS instead.
Error: The border attribute on the table element is obsolete. Use CSS instead.
Error: The summary attribute on the table element is obsolete. Consider describing the structure of the table in a caption element or in a figure element containing the table; or, simplify the structure of the table so that no description is needed.
Error: The element button must not appear as a descendant of the a element.
Specification:
http://w3c.github.io/html/textlevel-semantics.html#the-a-element
"Allowed ARIA role attribute values: link (default - do not set), button, checkbox, radio, switch, tab or treeitem"
"The <a> element may be wrapped around entire paragraphs, lists, tables, and so forth, even entire sections, so long as there is no interactive content within (e.g., buttons or other links)."
