Clients		Servers		Proxies		Feature
 1t  5y  7n  1-	 3t  5y 10n  0-	 1t  3y  4n  0-	H 13.3.3	Weak entity tags
 3t  3y  8n  0-	 2t  2y 14n  0-	 1t  1y  6n  0-	H 14.39	TE
 3t  2y  9n  0-	 1t  2y 15n  0-	 0t  2y  6n  0-	H 14.40	Trailer
 2t  0y 12n  0-	 4t  5y  9n  0-	 1t  0y  7n  0-	A 3.2.1	WWW-Authenticate Digest
 1t  0y 13n  0-	 2t  1y 15n  0-	 0t  0y  8n  0-	A 3.2.1	qop-options auth
 1t  0y 13n  0-	 1t  0y 17n  0-	 0t  0y  8n  0-	A 3.2.1	qop-options auth-int
 2t  0y 12n  0-	 4t  5y  9n  0-	 1t  0y  7n  0-	A 3.2.2	Authorization Digest
 1t  0y 13n  0-	 2t  1y 15n  0-	 0t  0y  8n  0-	A 3.2.2	request qop auth
 1t  0y 13n  0-	 1t  0y 17n  0-	 0t  0y  8n  0-	A 3.2.2	request qop auth-int
 2t  0y 12n  0-	 3t  2y 13n  0-	 1t  0y  7n  0-	A 3.2.3	Authentication-Info Digest
 1t  0y 13n  0-	 1t  2y 15n  0-	 0t  0y  8n  0-	A 3.2.3	response qop auth
 1t  0y 13n  0-	 1t  0y 17n  0-	 0t  0y  8n  0-	A 3.2.3	response qop auth-int
 2t  0y 12n  0-	 1t  1y 12n  4-	 1t  0y  7n  0-	A 4.2	Proxy-Authenticate Digest
 0t  1y 13n  0-	 0t  0y 14n  4-	 0t  0y  8n  0-	A 4.2	Proxy qop-options auth
 0t  1y 13n  0-	 0t  0y 14n  4-	 0t  0y  8n  0-	A 4.2	Proxy qop-options auth-int
 2t  0y 12n  0-	 1t  1y 12n  4-	 1t  0y  7n  0-	A 4.2	Proxy Authorization Digest
 0t  1y 13n  0-	 0t  0y 14n  4-	 0t  0y  8n  0-	A 4.2	Proxy request qop auth
 0t  1y 13n  0-	 0t  0y 14n  4-	 0t  0y  8n  0-	A 4.2	Proxy request qop auth-int
 1t  1y 12n  0-	 1t  0y 13n  4-	 1t  0y  7n  0-	A 4.2	Proxy Authentication-Info Digest
 0t  1y 13n  0-	 0t  0y 14n  4-	 0t  0y  8n  0-	A 4.2	Proxy response qop auth
 0t  1y 13n  0-	 0t  0y 14n  4-	 0t  0y  8n  0-	A 4.2	Proxy response qop auth-int