[whatwg] [wf2] :read-write pseudoclass description issue

[Matthew Raymond]

Anne van Kesteren wrote:
> Quoting Rikkert Koppes <rikkert at finalist.com>:
>>     [...] A
>>     disabled control can still match this pseudo-class; the states are
>>     orthogonal.
>>
>> I believe the term "orthogonal" is incorrect here.
> 
> :read-write is orthogonal to :disabled. That's correct.

   Ideally, this would be correct. Unfortunately, CSS3-UI defines
:read-write in terms of user-alterability. Thus, while a control is
disabled, it is unalterable, making :read-write and :disabled mutually
exclusive.