Re: Proposal for Guideline 1.1 [definition of text]

> - In regard to the second item of the discussion, I believe that the 
> point is not whether you use Unicode or not, but whether you use a 
> character set whose specification is open so AT manufacturers can 
> implement it. Following the same line of arguments into other 
sections 
> of WCAG, we could say that some well-known proprietary formats can 
> never be made accessible, since they are not "standard."

I think the requirement is that alternate encodings be a public 
specification, not necessarily an open specification. That is, there 
needs to be a well-defined way to get to the characters.