===================================================================
RCS file: /cvs/mandoc/roff.c,v
retrieving revision 1.376
retrieving revision 1.377
diff -u -p -r1.376 -r1.377
--- mandoc/roff.c	2020/08/27 12:59:02	1.376
+++ mandoc/roff.c	2021/06/27 17:57:55	1.377
@@ -1,4 +1,4 @@
-/* $Id: roff.c,v 1.376 2020/08/27 12:59:02 schwarze Exp $ */
+/* $Id: roff.c,v 1.377 2021/06/27 17:57:55 schwarze Exp $ */
 /*
  * Copyright (c) 2010-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2008-2012, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -1823,7 +1823,7 @@ roff_parsetext(struct roff *r, struct buf *buf, int po
 }
 
 int
-roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs)
+roff_parseln(struct roff *r, int ln, struct buf *buf, int *offs, size_t len)
 {
 	enum roff_tok	 t;
 	int		 e;
@@ -1833,6 +1833,14 @@ roff_parseln(struct roff *r, int ln, struct buf *buf, 
 	int		 ctl;	/* macro line (boolean) */
 
 	ppos = pos = *offs;
+
+	if (len > 80 && r->tbl == NULL && r->eqn == NULL &&
+	    (r->man->flags & ROFF_NOFILL) == 0 &&
+	    strchr(" .\\", buf->buf[pos]) == NULL &&
+	    buf->buf[pos] != r->control &&
+	    strcspn(buf->buf, " ") < 80)
+		mandoc_msg(MANDOCERR_TEXT_LONG, ln, (int)len - 1,
+		    "%.20s...", buf->buf + pos);
 
 	/* Handle in-line equation delimiters. */