1 files changed, 9 insertions, 0 deletions
diff --git a/roff.c b/roff.c
index 4d3b525b..406485ab 100644
--- a/roff.c
+++ b/roff.c
@@ -759,6 +759,15 @@ roff_parseln(struct roff *r, int ln, char **bufp,
 		return(roff_parsetext(bufp, szp, pos, offs));
 	}
 
+	/* Skip empty request lines. */
+
+	if ((*bufp)[pos] == '"') {
+		mandoc_msg(MANDOCERR_COMMENT_BAD, r->parse,
+		    ln, pos, NULL);
+		return(ROFF_IGN);
+	} else if ((*bufp)[pos] == '\0')
+		return(ROFF_IGN);
+
 	/*
 	 * If a scope is open, go to the child handler for that macro,
 	 * as it may want to preprocess before doing anything with it.