===================================================================
RCS file: /cvs/docbook2mdoc/statistics.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -p -r1.2 -r1.3
--- docbook2mdoc/statistics.c	2019/03/29 18:09:43	1.2
+++ docbook2mdoc/statistics.c	2019/04/03 08:39:53	1.3
@@ -1,4 +1,4 @@
-/* $Id: statistics.c,v 1.2 2019/03/29 18:09:43 schwarze Exp $ */
+/* $Id: statistics.c,v 1.3 2019/04/03 08:39:53 schwarze Exp $ */
 /*
  * Copyright (c) 2019 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -165,6 +165,7 @@ static void
 parse_file(int fd, char *fname)
 {
 	char		 b[4096];
+	char		*cp;
 	ssize_t		 rsz;	/* Return value from read(2). */
 	size_t		 rlen;  /* Number of bytes in b[]. */
 	size_t		 poff;  /* Parse offset in b[]. */
@@ -232,6 +233,18 @@ parse_file(int fd, char *fname)
 			} else if (b[poff] == '<') {
 				if (advance(b, rlen, &pend, " >") && rsz > 0)
 					break;
+				if (pend > poff + 3 &&
+				    strncmp(b + poff, "<!--", 4) == 0) {
+					/* Skip a comment. */
+					cp = strstr(b + pend - 2, "-->");
+					if (cp == NULL) {
+						pend = rlen;
+						if (rsz > 0)
+							break;
+					} else
+						pend = cp + 3 - b;
+					continue;
+				}
 				elem_end = 0;
 				if (b[pend] != '>')
 					in_tag = 1;