The wcwidth(3) of Plane 15 and Plane 16 Private Use Characters

[mandoc.git] / mandoc_char.7

diff --git a/mandoc_char.7 b/mandoc_char.7
index 8fe71b0cf2095ba64851635b3011170c8ba02e2c..eb9e65acfc860982c45c8f7f05abfe130aee2182 100644 (file)
--- a/mandoc_char.7
+++ b/mandoc_char.7
@@ -1,8 +1,8 @@
-.\"    $Id: mandoc_char.7,v 1.74 2018/08/21 01:59:22 schwarze Exp $
+.\"    $Id: mandoc_char.7,v 1.78 2020/10/31 11:45:16 schwarze Exp $
 .\"
 .\" Copyright (c) 2003 Jason McIntyre <jmc@openbsd.org>
 .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
-.\" Copyright (c) 2011, 2013, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
+.\" Copyright (c) 2011,2013,2015,2017-2020 Ingo Schwarze <schwarze@openbsd.org>
 .\"
 .\" Permission to use, copy, modify, and distribute this software for any
 .\" purpose with or without fee is hereby granted, provided that the above
@@ -16,7 +16,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: August 21 2018 $
+.Dd $Mdocdate: October 31 2020 $
 .Dt MANDOC_CHAR 7
 .Os
 .Sh NAME
@@ -107,8 +107,8 @@ supporting it, for example in
 .Fl T Cm utf8
 and
 .Fl T Cm html .
-But currently, no practically relevant manual page formatter actually
-requires that subtlety, so in manual pages just write plain
+But currently, no practically relevant manual page formatter requires
+that subtlety, so in manual pages, it is sufficient to write plain
 .Sq -
 to represent hyphen, minus, and hyphen-minus.
 .Pp
@@ -261,16 +261,18 @@ subsection of the
 .Xr roff 7
 manual.
 .Pp
-Spacing:
+Spaces, non-breaking unless stated otherwise:
 .Bl -column "Input" "Description" -offset indent -compact
 .It Em Input Ta Em Description
-.It Sq \e\ \& Ta unpaddable non-breaking space
-.It \e\(ti   Ta paddable non-breaking space
-.It \e0      Ta unpaddable, breaking digit-width space
+.It Sq \e\ \& Ta unpaddable space
+.It \e\(ti   Ta paddable space
+.It \e0      Ta digit-width space
 .It \e|      Ta one-sixth \e(em narrow space, zero width in nroff mode
 .It \e^      Ta one-twelfth \e(em half-narrow space, zero width in nroff
 .It \e&      Ta zero-width space
+.It \e)      Ta zero-width space transparent to end-of-sentence detection
 .It \e%      Ta zero-width space allowing hyphenation
+.It \e:      Ta zero-width space allowing line break
 .El
 .Pp
 Lines:
@@ -707,11 +709,6 @@ Their syntax is similar to special characters, using
 and
 .Sq \e*[N]
 .Pq N-character .
-For details, see the
-.Em Predefined Strings
-subsection of the
-.Xr roff 7
-manual.
 .Bl -column "Input" "Rendered" "Description" -offset indent
 .It Em Input Ta Em Rendered Ta Em Description
 .It \e*(Ba   Ta \*(Ba       Ta vertical bar