[whatwg] Allowing ">" in attribute values

Thu Jun 24 02:41:22 PDT 2010

On 24.06.2010 10:00, Henri Sivonen wrote:
> "Benjamin M. Schwartz"<bmschwar at fas.harvard.edu>  wrote:
>
>> The HTML5 spec appears to allow ">" inside an attribute value.  For
>> example, the following page (note the body tag) passes the
>> experimental
>> HTML5 validator at w3c.org:
>>
>> <!DOCTYPE HTML><html><head><title></title></head>
>> <body class="3>2">
>> </body></html>
>>
>> I think ">" should be disallowed inside attribute values.   It is
>> disallowed in XHTML [1].  It is disallowed in HTML 4.01 [2].
>> Disallowing
>> it in HTML5 would avoid unnecessary divergence, and also sometimes
>> simplify parsing.
>
> Actually, disallowing it would require adding a switch-case to check for '>'. Not checking for it is simpler.
>
> I think we shouldn't disallow harmless stuff just because XML or HTML 4.01 did.

XML doesn't disallow it.

Best regards, Julian