Moreover, <img class=foo/> gets highlighted as if the slash was not part of the attribute value:

[Rajusheik]

          Moreover, `<img class=foo/>` gets highlighted as if the slash was not part of the attribute value:

However, with a spec-compliant HTML parser, it is part of the attribute value due to the slash going through the "Anything else" case in the "Attribute value (unquoted) state".

Originally posted by @hsivonen in #118 (comment)