When interpreting the -O argument as a macro name fails,

fall back to showing Nd rather than not showing anything.
Issue reported by jmc@.

2 files changed, 8 insertions, 2 deletions

diff --git a/TODO b/TODO
index cfadd97e..2da01398 100644
--- a/TODO
+++ b/TODO
@@ -557,6 +557,11 @@ Several areas can be cleaned up to make mandoc even faster.  These are
 * structural issues
 ************************************************************************
 
+- Improve -O suboption parsing.  Do it in the main program such that
+  errors can be reported.  Pay attention to distinguishing the
+  mandoc(1) and apropos(1) styles of both options.
+  loc **  exist *  algo **  size **  imp ***
+
 - Use libz directly instead of forking gunzip(1).
   Suggested by bapt at FreeBSD among others.
 
diff --git a/mansearch.c b/mansearch.c
index 72324544..f0046de9 100644
--- a/mansearch.c
+++ b/mansearch.c
@@ -195,8 +195,8 @@ mansearch(const struct mansearch *search,
 	if (NULL == (e = exprcomp(search, argc, argv)))
 		goto out;
 
-	outbit = 0;
 	if (NULL != search->outkey) {
+		outbit = TYPE_Nd;
 		for (indexbit = 0, iterbit = 1;
 		     indexbit < mansearch_keymax;
 		     indexbit++, iterbit <<= 1) {
@@ -206,7 +206,8 @@ mansearch(const struct mansearch *search,
 				break;
 			}
 		}
-	}
+	} else
+		outbit = 0;
 
 	/*
 	 * Save a descriptor to the current working directory.