5.3 Rearrange request header order
5.4 SPDY
5.5 auth= in URLs
+ 5.6 Digest via Windows SSPI
6. TELNET
6.1 ditch stdin
Additionally this should be implemented for proxy base URLs as well.
+5.6 Digest via Windows SSPI
+
+ libcurl already supports HTTP Digest Authentication via native routines as well
+ as SASL Digest via both Windows SSPI and native routines. In addition to this
+ libcurl should also support HTTP Digest Authentication via Windows SSPI.
+
6. TELNET
6.1 ditch stdin