===================================================================
RCS file: /cvs/mandoc/main.c,v
retrieving revision 1.319
retrieving revision 1.320
diff -u -p -r1.319 -r1.320
--- mandoc/main.c	2019/03/03 13:02:11	1.319
+++ mandoc/main.c	2019/03/04 13:01:57	1.320
@@ -1,4 +1,4 @@
-/*	$Id: main.c,v 1.319 2019/03/03 13:02:11 schwarze Exp $ */
+/*	$Id: main.c,v 1.320 2019/03/04 13:01:57 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2012, 2014-2019 Ingo Schwarze <schwarze@openbsd.org>
@@ -797,7 +797,11 @@ fs_search(const struct mansearch *cfg, const struct ma
 		}
 		if (res != NULL && *ressz == lastsz &&
 		    strchr(*argv, '/') == NULL) {
-			if (cfg->sec == NULL)
+			if (cfg->arch != NULL &&
+			    arch_valid(cfg->arch, OSENUM) == 0)
+				warnx("Unknown architecture \"%s\".",
+				    cfg->arch);
+			else if (cfg->sec == NULL)
 				warnx("No entry for %s in the manual.",
 				    *argv);
 			else