[whatwg] More prohibited characters for unquoted attributes are needed

See some research here:


It seems like in addition to whitespace and "'=<> , the characters
U+0000 through U+0020 should be banned from unquoted attribute values,
as well as U+0060 (backtick `), for the sake of compatibility.

Received on Sunday, 6 September 2009 04:35:50 UTC