If man(1) only has one single argument, always interpret it as a name,

never as a section.  Who would have thought that people call their
manual pages 7z(1), 9c(1), 9p(1), and 9p(3)...
Patch from Sebastien Marie <semarie dash openbsd at latrappe dot fr>.

diff --git a/usr.bin/mandoc/main.c b/usr.bin/mandoc/main.c
index d6d82c0..e0ee716 100644 (file)
--- a/usr.bin/mandoc/main.c
+++ b/usr.bin/mandoc/main.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: main.c,v 1.116 2014/12/31 16:50:54 schwarze Exp $ */
+/*     $OpenBSD: main.c,v 1.117 2015/01/01 13:18:23 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010, 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -284,7 +284,8 @@ main(int argc, char *argv[])
                                argv = help_argv;
                                argc = 1;
                        }
-               } else if (((uc = argv[0]) != NULL) &&
+               } else if (argc > 1 &&
+                   ((uc = argv[0]) != NULL) &&
                    ((isdigit(uc[0]) && (uc[1] == '\0' ||
                      (isalpha(uc[1]) && uc[2] == '\0'))) ||
                     (uc[0] == 'n' && uc[1] == '\0'))) {