[FIG(quote)[
[FIGCAPTION[
[1] [CITE@en[''''''[''''''MS-WMSP'''''']'''''': Supported]]
([TIME[2015-08-05 16:57:15 +09:00]] 版)
<https://msdn.microsoft.com/en-us/library/cc251261.aspx>
]FIGCAPTION]

> This header is used for specifying features of the protocol that are supported. Different features may apply to different entries in a server-side playlist.
> The Supported header is defined only for servers with a version greater than or equal to 9.0 (as specified by the server in the Server header) and only for clients with a version greater than or equal to 9.0 (as specified by the client in the User-Agent header).<44>
> The syntax of the Supported header is defined as follows:
>  WMCfeat   = "com.microsoft.wm.fastcache" 
>              / "com.microsoft.wm.predstrm" 
>              / "com.microsoft.wm.srvppair"
>              / "com.microsoft.wm.sswitch"
>              / "com.microsoft.wm.startupprofile" 
>  Supported = "Supported: " WMCfeat *4'''['''"," '''['''SP''']''' WMCfeat''']''' 
>              CRLF

]FIG]