Service Parameter
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... Service Parameters ...
...
Service Parameters for this Application take the form of a string of
characters that follow this ABNF ([2 ...
... case-insensitive.
Thus, the Service Parameters may consist of an empty string, an app-
service, or an app-service ...
... 8]). As "+" (the separator used in the
RFC3404prop service parameter string) is an allowed character for URI
scheme names, ":" is chosen as the separator here.
...