Note 3 Some companies have adopted what used to be an initialism as their company name. In
      these cases, the new name of the company is the letters (for example, Ecma) and the
      word is no longer considered an abbreviation. accessibility supported supported by users' assistive technologies as well as the accessibility features in browsers and other user agents To qualify as an accessibility-supported use of a Web content technology (or feature
      of a technology), both 1 and 2 must be satisfied for a Web content technology (or
      feature): The way that the Web content technology is used must be supported by users' assistive technology (AT). This means that the way that the technology is used has been tested for interoperability
            with users' assistive technology in the human language(s) of the content, AND The Web content technology must have accessibility-supported user agents that are
               available to users. This means that at least one of the following four statements is true: The technology is supported natively in widely-distributed user agents that are also
                  accessibility supported (such as HTML and CSS); OR The technology is supported in a widely-distributed plug-in that is also accessibility
                  supported; OR The content is available in a closed environment, such as a university or corporate
                  network, where the user agent required by the technology and used by the organization
                  is also accessibility supported; OR The user agent(s) that support the technology are accessibility supported and are
                  available for download or purchase in a way that: does not cost a person with a disability any more than a person without a disability and is as easy to find and obtain for a person with a disability as it is for a person
                     without disabilities.