[whatwg] how to handle minimised attributes in HTML5

[Ian Hickson]

On Wed, 27 Apr 2005, Henri Sivonen wrote:
> On Apr 27, 2005, at 13:09, Ian Hickson wrote:
> > On Tue, 26 Apr 2005, Henri Sivonen wrote:
> > > 
> > > What do you suggest the parser layer of an text/html conformance 
> > > checker say about <input checkbox ...>?
> > > 
> > > 1. Silently treat as <input type="checkbox" ...>?
> > > 2. Treat as <input type="checkbox" ...> but warn?
> > > 3. Treat as <input checkbox="checkbox" ...> causing an error to be
> > > reported on a higher layer?
> > > 4. Treat as fatal error in the parser?
> > 
> > 5. Treat as <input checkbox="">
> 
> Why? XHTML requires "boolean attributes" to be represented as foo='foo'. 
> If <input checked ...> was treated as <input checked='' ...>, one could 
> not reuse XHTML schemas on top a minimal text/html flavor parser.

XHTML no longer requires this. foo="" and foo="foo" are now defined 
equivalently.


> > The only exception, I believe, would be for <table border>, which 
> > would instead be treated as <table border="1">.
> 
> Do you mean <table border> should pass a conformance check?

No. The border="" attribute is not valid however it is written.

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'