X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=man%2Fcurs_get_wstr.3x;h=be4dc371adea28d435e88bfd8ba7cedeb7669bf5;hp=9beb1773ca619a05763510a452b8c6e9026134ec;hb=2e68dc325852af56f2ec6c315b323a4f9c3d62c9;hpb=96d6b16de0d487e5d3aed0302a179dbce11b5d96

diff --git a/man/curs_get_wstr.3x b/man/curs_get_wstr.3x
index 9beb1773..be4dc371 100644
--- a/man/curs_get_wstr.3x
+++ b/man/curs_get_wstr.3x
@@ -1,5 +1,5 @@
 .\"***************************************************************************
-.\" Copyright (c) 2002-2006,2010 Free Software Foundation, Inc.              *
+.\" Copyright (c) 2002-2012,2017 Free Software Foundation, Inc.              *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" copy of this software and associated documentation files (the            *
@@ -26,7 +26,7 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_get_wstr.3x,v 1.8 2010/12/04 18:36:44 tom Exp $
+.\" $Id: curs_get_wstr.3x,v 1.11 2017/03/04 21:24:04 tom Exp $
 .TH curs_get_wstr 3X ""
 .na
 .hy 0
@@ -66,7 +66,7 @@ The effect of
 \fBget_wstr\fR
 is as though a series of calls
 to
-\fBget_wch\fR
+\fBget_wch\fR(3X)
 were made, until a newline, other end-of-line, or end-of-file condition is processed.
 An end-of-file condition is represented by \fBWEOF\fR, as defined in \fB<wchar.h>\fR.
 The newline and end-of-line conditions are represented by the \fB\\n\fR \fBwchar_t\fR value.
@@ -144,7 +144,7 @@ These functions cannot return \fBKEY_\fR values because there
 is no way to distinguish a \fBKEY_\fR value from a valid \fBwchar_t\fR value.
 .PP
 All of these routines except \fBwgetn_wstr\fR may be macros.
-.SH RETURN VALUES
+.SH RETURN VALUE
 All of these functions return \fBOK\fR upon successful completion.
 Otherwise, they return \fBERR\fR.
 .PP
@@ -167,8 +167,18 @@ In the latter case,
 an ERR return without other data is treated as an end-of-file condition,
 and the returned array contains a \fBWEOF\fR followed by a null \fBwchar_t\fR.
 .PP
-X/Open curses documents these functions to pass an array of \fBwchar_t\fR,
-but all of the vendors implement this using \fBwint_t\fR.
+X/Open curses documented these functions to pass an array of \fBwchar_t\fR
+in 1997, but that was an error because of this part of the description:
+.RS
+.PP
+The effect of \fIget_wstr()\fP is as though a series of calls to
+\fIget_wch()\fP were made, until a newline character, end-of-line character, or
+end-of-file character is processed.
+.RE
+.PP
+The latter function \fIget_wch()\fP can return a negative value,
+while \fBwchar_t\fP is a unsigned type.
+All of the vendors implement this using \fBwint_t\fR, following the standard.
 .SH SEE ALSO
 Functions:
 \fBcurses\fR(3X),