.in 6
protocol version = <major>.<minor>
-software version = <major>[.<minor>[.<build>]]
+software version = <major>[.<minor>[.<build or vendor string>]]
.in 3
Protocol version MAY provide both major and minor version. Currently
software version MAY be freely set and accepted.
-Thus, the version string could be, for example:
+Thus, the version strings could be, for example:
.in 6
SILC-1.0-1.2
+SILC-1.1-2.0.2
+SILC-1.0-1.0.VendorXYZ
.in 3