Add /json-delta to the man page.
@@ -1165,10 +1165,31 @@ its origin AS number and address prefix is RPKI valid, invalid, or not found.
The returned object is compatible with that provided by the RIPE NCC RPKI
Validator. For more information, see
.I https://www.ripe.net/support/documentation/developer-documentation/rpki-validator-api
+
.TP
.B /validity?asn=\fIas-number\fB&prefix=\fIprefix
Same as above but with a more form-friendly calling convention.
+.TP
+.BR /json-delta ,\ /json-delta?session\fIsession\fB?serial=\fIserial
+Returns a JSON object with the changes since the given version. The object
+will contain the current session and serial in members by that name. The
+boolean
+.I reset
+member states whether the returned data set is in fact a complete dataset
+rather than just a delta. The members
+.I announced
+and
+.I withdrawn
+contain arrays with route origins that have been announced and withdrawn,
+respectively, since the provided session and serial. If
+.I reset
+is
+.IR true ,
+the
+.I withdrawn
+member is not present.
+
.P
In addition, the current set of VRPs is available for each output format
at a path with the same name as the output format. E.g., the CSV output is
