[PATCH 33/51] man/*.3x: Generalize claim in "RETURN VALUE" section.

[G. Branden Robinson]

* man/curs_delch.3x:
* man/curs_in_wch.3x:
* man/curs_inch.3x: Generalize claim in "RETURN VALUE" section,
  parallelizing it with other recently edited ncurses man pages.
---
 man/curs_delch.3x  | 13 +++++++++----
 man/curs_in_wch.3x |  3 +--
 man/curs_inch.3x   |  4 ++--
 3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/man/curs_delch.3x b/man/curs_delch.3x
index 1f10dc6f8..490ef98b2 100644
--- a/man/curs_delch.3x
+++ b/man/curs_delch.3x
@@ -76,10 +76,15 @@ .SH RETURN VALUE
 .B ERR
 on failure.
 .PP
-Functions taking a
-.I \%WINDOW
-pointer argument fail if the pointer is
-.BR NULL .
+.PP
+In
+.IR \%ncurses ,
+they return
+.B ERR
+if
+.I win
+is
+.BR NULL "."
 .PP
 Functions prefixed with \*(``mv\*('' first perform cursor movement and
 fail if the position
diff --git a/man/curs_in_wch.3x b/man/curs_in_wch.3x
index 6d4aba8d3..dbc8750d3 100644
--- a/man/curs_in_wch.3x
+++ b/man/curs_in_wch.3x
@@ -75,8 +75,7 @@ .SH RETURN VALUE
 .PP
 In
 .IR \%ncurses ","
-.B \%win_wch
-returns
+they return
 .B ERR
 if
 .I win
diff --git a/man/curs_inch.3x b/man/curs_inch.3x
index edcc65cd5..96102bb5e 100644
--- a/man/curs_inch.3x
+++ b/man/curs_inch.3x
@@ -81,8 +81,8 @@ .SH RETURN VALUE
 .PP
 In
 .IR \%ncurses ","
-.B \%winch
-returns
+they return
+return
 .B ERR
 if
 .I win
-- 
2.30.2

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