===================================================================
RCS file: /cvs/mandoc/roff.7,v
retrieving revision 1.120
retrieving revision 1.121
diff -u -p -r1.120 -r1.121
--- mandoc/roff.7	2022/05/31 20:23:05	1.120
+++ mandoc/roff.7	2023/10/23 20:25:02	1.121
@@ -1,6 +1,6 @@
-.\" $Id: roff.7,v 1.120 2022/05/31 20:23:05 schwarze Exp $
+.\" $Id: roff.7,v 1.121 2023/10/23 20:25:02 schwarze Exp $
 .\"
-.\" Copyright (c) 2010-2019, 2022 Ingo Schwarze <schwarze@openbsd.org>
+.\" Copyright (c) 2010-2019, 2022-2023 Ingo Schwarze <schwarze@openbsd.org>
 .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
 .\" Permission to use, copy, modify, and distribute this software for any
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: May 31 2022 $
+.Dd $Mdocdate: October 23 2023 $
 .Dt ROFF 7
 .Os
 .Sh NAME
@@ -2224,7 +2224,8 @@ The
 .Xr mandoc 1
 implementation assumes that after expansion of user-defined strings, the
 .Ar string
-only contains normal characters, no escape sequences, and that each
+only contains normal characters, characters expressed as escape sequences,
+and zero-width escape sequences, and that each
 character has a width of 24 basic units.
 .It Ic \eX\(aq Ns Ar string Ns Ic \(aq
 Output