[PATCH 11/14] man/curs_bkgrnd.3x: Discuss `wgetbkgrnd()` in description.

[G. Branden Robinson]

Also clarity data types in "RETURN VALUE" section.

Also set data types in italics, not bold.

Also protect function/macro and data type literals from hyphenation.
---
 man/curs_bkgrnd.3x | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/man/curs_bkgrnd.3x b/man/curs_bkgrnd.3x
index 2f7ee448..4525c943 100644
--- a/man/curs_bkgrnd.3x
+++ b/man/curs_bkgrnd.3x
@@ -86,21 +86,20 @@ .SS bkgrnd
 Wherever the former background character
 appears, it is changed to the new background character.
 .SS getbkgrnd
-The \fBgetbkgrnd\fP function returns the given window's current background
-character/attribute pair via the
+The \fB\%getbkgrnd\fP and \fB\%wgetbkgrnd\fP functions obtain the given
+or specified window's current background character and attribute pair
+and store it in via the
 .I wch
 pointer.
-If the given window pointer is null,
-the character is not updated (but no error is returned).
 .SH RETURN VALUE
 The \fBbkgrndset\fP and \fBwbkgrndset\fP routines do not return a value.
 .PP
 Upon successful completion, the other functions return \fBOK\fP.
 Otherwise, they return \fBERR\fP:
 .bP
-A null window pointer is treated as an error.
+A null \fI\%WINDOW\fP pointer is treated as an error.
 .bP
-A null character pointer is treated as an error.
+A null \fI\%cchar_t\fP pointer is treated as an error.
 .SH NOTES
 \fB\%bkgrnd\fP,
 \fB\%bkgrndset\fP, and
-- 
2.30.2

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