===================================================================
RCS file: /cvs/mandoc/eqn_term.c,v
retrieving revision 1.17
retrieving revision 1.18
diff -u -p -r1.17 -r1.18
--- mandoc/eqn_term.c	2017/08/23 21:56:20	1.17
+++ mandoc/eqn_term.c	2018/10/02 12:18:33	1.18
@@ -1,4 +1,4 @@
-/*	$Id: eqn_term.c,v 1.17 2017/08/23 21:56:20 schwarze Exp $ */
+/*	$Id: eqn_term.c,v 1.18 2018/10/02 12:18:33 schwarze Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
@@ -106,7 +106,7 @@ eqn_box(struct termp *p, const struct eqn_box *bp)
 	/* Special box types. */
 
 	if (bp->pos == EQNPOS_SQRT) {
-		term_word(p, "sqrt");
+		term_word(p, "\\(sr");
 		if (bp->first != NULL) {
 			p->flags |= TERMP_NOSPACE;
 			eqn_box(p, bp->first);