[PATCH 07/22] man/curs_add_wch.3x: Add and drop material.

[G. Branden Robinson]

* Align discussion with curs_addch.3x.
* Drop mention of underspecified return value; these functions did not
  exist in SVr4 (at least not in SVID 4 as late as 1995).
---
 man/curs_add_wch.3x | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/man/curs_add_wch.3x b/man/curs_add_wch.3x
index b1fac2b88..3acc7c266 100644
--- a/man/curs_add_wch.3x
+++ b/man/curs_add_wch.3x
@@ -151,10 +151,14 @@ .SS wadd_wch
 is any other nonprintable character,
 it is drawn in printable form using the same convention as
 \fB\%wunctrl\fP(3X).
-.PP
 Calling \fB\%win_wch\fP(3X) on the location of a nonprintable character
 does not return the character itself,
 but its \fB\%wunctrl\fP(3X) representation.
+.PP
+A
+.I \%cchar_t
+can be copied from place to place using \fB\%win_wch\fP(3X) and
+.BR \%wadd_wch "."
 .SS wecho_wchar
 .B \%echo_wchar
 and
@@ -414,12 +418,6 @@ .SH PORTABILITY
 These functions are described in X/Open Curses, Issue 4.
 It specifies no error conditions for them.
 .PP
-SVr4
-.I curses
-describes a successful return value only as
-\*(``an integer value other than
-.BR ERR \*(''.
-.PP
 The defaults specified for forms-drawing characters apply in the POSIX
 locale.
 X/Open Curses makes it clear that the WACS_ symbols should be defined as
-- 
2.30.2

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