Make all TCP references informative

draft-ietf-quic-recovery.md

@@ -378,9 +378,10 @@ in response to 0RTT packets.
 
 ### Tail Loss Probe and Retransmission Timeout
 
-Tail loss probes and retransmission timeouts{{!RFC6298}} are an alarm based
-mechanism to recover from cases when there are outstanding retransmittable
-packets, but an acknowledgement has not been received in a timely manner.
+Tail loss probes {{?I-D.dukkipati-tcpm-tcp-loss-probe}} and retransmission
+timeouts{{?RFC6298}} are an alarm based mechanism to recover from cases when
+there are outstanding retransmittable packets, but an acknowledgement has 
+not been received in a timely manner.
 
 ### Pseudocode
 
@@ -401,7 +402,7 @@ Pseudocode for SetLossDetectionAlarm follows:
       alarm_duration = max(alarm_duration, kMinTLPTimeout)
       alarm_duration = alarm_duration << handshake_count
     else if (largest sent packet is acked):
-      // Early retransmit {{!RFC5827}}
+      // Early retransmit {{?RFC5827}}
       // with an alarm to reduce spurious retransmits.
       alarm_duration = 0.25 * smoothed_rtt
     else if (tlp_count < kMaxTLPs):
@@ -491,12 +492,12 @@ Pseudocode for DetectLostPackets follows:
 
 # Congestion Control
 
-(describe NewReno-style congestion control {{!RFC6582}} for QUIC.)
+(describe NewReno-style congestion control {{?RFC6582}} for QUIC.)
 (describe appropriate byte counting.)
 (define recovery based on packet numbers.)
 (describe min_rtt based hystart.)
-(describe how QUIC's F-RTO {{!RFC5682}} delays reducing CWND.)
-(describe PRR {{!RFC6937}})
+(describe how QUIC's F-RTO {{?RFC5682}} delays reducing CWND.)
+(describe PRR {{?RFC6937}})
 
 
 # IANA Considerations