2 files changed, 7 insertions, 1 deletions
diff --git a/tbl_html.c b/tbl_html.c
index 365161b1..38fd777b 100644
--- a/tbl_html.c
+++ b/tbl_html.c
@@ -49,6 +49,9 @@ html_tbl_strlen(const char *p, void *arg)
 static size_t
 html_tbl_sulen(const struct roffsu *su, void *arg)
 {
+	if (su->scale < 0.0)
+		return 0;
+
 	switch (su->unit) {
 	case SCALE_FS:  /* 2^16 basic units */
 		return su->scale * 65536.0 / 24.0;
diff --git a/tbl_term.c b/tbl_term.c
index 1d4b0389..ca63bd8d 100644
--- a/tbl_term.c
+++ b/tbl_term.c
@@ -51,7 +51,10 @@ static	void	tbl_word(struct termp *, const struct tbl_dat *);
 static size_t
 term_tbl_sulen(const struct roffsu *su, void *arg)
 {
-	return term_hen((const struct termp *)arg, su);
+	int	 i;
+
+	i = term_hen((const struct termp *)arg, su);
+	return i > 0 ? i : 0;
 }
 
 static size_t