===================================================================
RCS file: /cvs/pod2mdoc/pod2mdoc.c,v
retrieving revision 1.23
retrieving revision 1.27
diff -u -p -r1.23 -r1.27
--- pod2mdoc/pod2mdoc.c	2014/04/07 11:46:03	1.23
+++ pod2mdoc/pod2mdoc.c	2014/07/11 09:10:50	1.27
@@ -1,4 +1,4 @@
-/*	$Id: pod2mdoc.c,v 1.23 2014/04/07 11:46:03 kristaps Exp $ */
+/*	$Id: pod2mdoc.c,v 1.27 2014/07/11 09:10:50 schwarze Exp $ */
 /*
  * Copyright (c) 2014 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -460,6 +460,13 @@ formatcode(struct state *st, const char *buf, size_t *
 			(*start) += dsz;
 			break;
 		}
+		if (*start < end) {
+			assert('>' == buf[*start]);
+			(*start)++;
+		}
+		if (isspace(last))
+			while (*start < end && isspace((int)buf[*start]))
+				(*start)++;
 		return(0);
 	}
 
@@ -504,7 +511,12 @@ formatcode(struct state *st, const char *buf, size_t *
 					printf("Ar ");
 				break;
 			} 
-			printf("Sy ");
+			if (0 == strncmp(buf + *start, "NULL", 4) &&
+			    ('=' == buf[*start + 4] ||
+			     '>' == buf[*start + 4]))
+				printf("Dv ");
+			else
+				printf("Sy ");
 			break;
 		case (FMT_CODE):
 			printf("Qo Li ");
@@ -1263,8 +1275,6 @@ readfile(const struct args *args, const char *fname)
 	time_t		 ttm;
 	struct stat 	 st;
 
-	assert(NULL != fname);
-
 	fd = 0 != strcmp("-", fname) ? 
 		open(fname, O_RDONLY, 0) : STDIN_FILENO;
 
@@ -1370,8 +1380,8 @@ main(int argc, char *argv[])
 
 	/* Accept only a single input file. */
 
-	if (argc > 2)
-		return(EXIT_FAILURE);
+	if (argc > 1)
+		goto usage;
 	else if (1 == argc)
 		fname = *argv;
 
@@ -1380,7 +1390,7 @@ main(int argc, char *argv[])
 
 usage:
 	fprintf(stderr, "usage: %s [-d date] " 
-		"[-n title] [-s section]\n", name);
+	    "[-n title] [-s section] [file]\n", name);
 
 	return(EXIT_FAILURE);
 }