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        Storefront User Agent Extensions (SUAE) v0.5
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        HTTP requests from a SUAE user agent (ie. for HTML and SRX) must include 
        additional text appended at the end of the user agent string as follows:


        Ex: "User-agent: ... service/1.0 (mode=tv; id=df7dfsd8d8kjhk; sw=name/1.0)"


        The service name can be any alphanumeric string up to 255 characters.

        The service version can be any alphanumeric string (can also include "." and "-") 
        up to 255 characters corresponding to the most recent service interface version 
        understood by the client.

        The "mode" parameter value can be any alphanumeric string up to 255 characters 
        understood by the service which defines the display mode of the client.

        The "id" parameter value can be any alphanumeric string up to 255 characters, and 
        it must be equal to the device id string registered with the service.

        The "sw" parameter value can be any two alphanumeric strings separated by a "/"; the 
        first string represents the name of the client software as registered with the 
        service, and the second string represents the software version. The software version 
        can also include "." and "-" characters.