Index: contrib/mandoc/st.c
===================================================================
--- contrib/mandoc/st.c
+++ contrib/mandoc/st.c
@@ -39,6 +39,7 @@
 LINE("-p1003.1-2008",	"IEEE Std 1003.1-2008 (\\(lqPOSIX.1\\(rq)")
 LINE("-p1003.1-2013",	"IEEE Std 1003.1-2008, 2013 Edition (\\(LqPOSIX.1\\(Rq)")
 LINE("-p1003.1-2016",	"IEEE Std 1003.1-2008, 2016 Edition (\\(LqPOSIX.1\\(Rq)")
+LINE("-p1003.1-2017",	"IEEE Std 1003.1-2008, 2017 Edition (\\(LqPOSIX.1\\(Rq)")
 LINE("-p1003.1",	"IEEE Std 1003.1 (\\(lqPOSIX.1\\(rq)")
 LINE("-p1003.1b",	"IEEE Std 1003.1b (\\(lqPOSIX.1b\\(rq)")
 LINE("-p1003.1b-93",	"IEEE Std 1003.1b-1993 (\\(lqPOSIX.1b\\(rq)")