path: root/packages/ncurses/6.5/ncurses-6.5-20250308.patch

# ncurses 6.5 - patch 20250308 - Thomas E. Dickey
#
# ------------------------------------------------------------------------------
#
# Ncurses 6.5 is at
#   https://invisible-island.net/archives/ncurses/
#   https://invisible-mirror.net/archives/ncurses/
#   https://ftp.gnu.org/gnu/ncurses/
#
# Patches for ncurses 6.5 can be found at
#   https://invisible-island.net/archives/ncurses/6.5
#   https://invisible-mirror.net/archives/ncurses/6.5
#
# ------------------------------------------------------------------------------
# https://invisible-island.net/archives/ncurses/6.5/ncurses-6.5-20250308.patch.gz
# patch by Thomas E. Dickey <dickey@invisible-island.net>
# created  Sun Mar  9 01:40:42 UTC 2025
# ------------------------------------------------------------------------------
# NEWS                              |    8 +
# VERSION                           |    2 
# dist.mk                           |    4 
# doc/html/man/curs_add_wch.3x.html |  169 +++++++++++++++++------------------
# doc/html/man/curs_addch.3x.html   |  173 ++++++++++++++++++------------------
# doc/html/man/curs_initscr.3x.html |  119 ++++++++++++------------
# doc/html/man/curs_inopts.3x.html  |   60 +++++++-----
# doc/html/man/curs_ins_wch.3x.html |   10 +-
# doc/html/man/curs_insch.3x.html   |   10 +-
# doc/html/man/curs_kernel.3x.html  |   28 +++--
# doc/html/man/curs_move.3x.html    |   10 +-
# doc/html/man/curs_outopts.3x.html |   81 ++++++++--------
# doc/html/man/ncurses.3x.html      |    2 
# doc/html/man/terminfo.5.html      |    2 
# include/curses.h.in               |    4 
# include/nc_win32.h                |    4 
# man/curs_add_wch.3x               |   10 +-
# man/curs_addch.3x                 |   10 +-
# man/curs_initscr.3x               |   31 +++---
# man/curs_inopts.3x                |   40 +++++---
# man/curs_ins_wch.3x               |    6 -
# man/curs_insch.3x                 |    6 -
# man/curs_kernel.3x                |   35 ++++++-
# man/curs_move.3x                  |    9 -
# man/curs_outopts.3x               |   20 ++--
# ncurses/base/lib_getch.c          |    6 -
# ncurses/base/lib_initscr.c        |   10 +-
# ncurses/tinfo/lib_win32con.c      |    6 -
# package/debian-mingw/changelog    |    4 
# package/debian-mingw64/changelog  |    4 
# package/debian/changelog          |    4 
# package/mingw-ncurses.nsi         |    4 
# package/mingw-ncurses.spec        |    2 
# package/ncurses.spec              |    2 
# package/ncursest.spec             |    2 
# 35 files changed, 488 insertions(+), 409 deletions(-)
# ------------------------------------------------------------------------------
Index: NEWS
Prereq:  1.4257 
--- ncurses-6.5-20250301+/NEWS	2025-03-01 21:57:13.000000000 +0000
+++ ncurses-6.5-20250308/NEWS	2025-03-09 00:39:13.000000000 +0000
@@ -26,7 +26,7 @@
 -- sale, use or other dealings in this Software without prior written        --
 -- authorization.                                                            --
 -------------------------------------------------------------------------------
--- $Id: NEWS,v 1.4257 2025/03/01 21:57:13 tom Exp $
+-- $Id: NEWS,v 1.4259 2025/03/09 00:39:13 tom Exp $
 -------------------------------------------------------------------------------
 
 This is a log of changes that ncurses has gone through since Zeyd started
@@ -46,6 +46,12 @@
 Changes through 1.9.9e did not credit all contributions;
 it is not possible to add this information.
 
+20250308
+	+ remove test in wgetch which applied notimeout to the initial read
+	  of a character (patch by Branden Robinson).
+	+ improve formatting/style of manpages (patches by Branden Robinson).
+	+ fix a few compiler-warnings in MinGW port.
+
 20250301
 	+ add color to vt525 (Branden Robinson)
 	+ add vt520-w and vt525-w (Branden Robinson)
Index: VERSION
--- ncurses-6.5-20250301+/VERSION	2025-03-01 10:08:08.000000000 +0000
+++ ncurses-6.5-20250308/VERSION	2025-03-08 11:56:38.000000000 +0000
@@ -1 +1 @@
-5:0:10	6.5	20250301
+5:0:10	6.5	20250308
Index: dist.mk
Prereq:  1.1658 
--- ncurses-6.5-20250301+/dist.mk	2025-03-01 10:08:08.000000000 +0000
+++ ncurses-6.5-20250308/dist.mk	2025-03-08 11:56:38.000000000 +0000
@@ -26,7 +26,7 @@
 # use or other dealings in this Software without prior written               #
 # authorization.                                                             #
 ##############################################################################
-# $Id: dist.mk,v 1.1658 2025/03/01 10:08:08 tom Exp $
+# $Id: dist.mk,v 1.1659 2025/03/08 11:56:38 tom Exp $
 # Makefile for creating ncurses distributions.
 #
 # This only needs to be used directly as a makefile by developers, but
@@ -38,7 +38,7 @@
 # These define the major/minor/patch versions of ncurses.
 NCURSES_MAJOR = 6
 NCURSES_MINOR = 5
-NCURSES_PATCH = 20250301
+NCURSES_PATCH = 20250308
 
 # We don't append the patch to the version, since this only applies to releases
 VERSION = $(NCURSES_MAJOR).$(NCURSES_MINOR)
Index: doc/html/man/curs_add_wch.3x.html
--- ncurses-6.5-20250301+/doc/html/man/curs_add_wch.3x.html	2025-03-01 22:03:50.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/curs_add_wch.3x.html	2025-03-09 00:55:53.000000000 +0000
@@ -28,19 +28,19 @@
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_add_wch.3x,v 1.108 2025/03/01 21:16:45 tom Exp @
+  * @Id: curs_add_wch.3x,v 1.110 2025/03/08 23:01:20 tom Exp @
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
-<TITLE>curs_add_wch 3x 2025-03-01 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_add_wch 3x 2025-03-08 ncurses 6.5 Library calls</TITLE>
 <link rel="author" href="mailto:bug-ncurses@gnu.org">
 
 </HEAD>
 <BODY>
-<H1 class="no-header">curs_add_wch 3x 2025-03-01 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_add_wch 3x 2025-03-08 ncurses 6.5 Library calls</H1>
 <PRE>
 <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG>                 Library calls                <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG>
 
@@ -156,58 +156,59 @@
 
        If the cursor is at the bottom of the scrolling region when advancement
        occurs at the right margin, and <STRONG><A HREF="scrollok.3x.html">scrollok(3x)</A></STRONG> is enabled  for  <EM>win</EM>,  the
-       scrolling  region  scrolls  up  one  line.   Otherwise, advancement and
-       scrolling do not occur, and <STRONG>waddch</STRONG> returns <STRONG>ERR</STRONG>.
+       cursor  wraps  as  above  and the scrolling region scrolls up one line.
+       Otherwise, advancement and scrolling do not occur, and  <STRONG>waddch</STRONG>  returns
+       <STRONG>ERR</STRONG>.
 
-       If <EM>wch</EM> is a backspace, carriage return, line feed, or tab,  the  cursor
+       If  <EM>wch</EM>  is a backspace, carriage return, line feed, or tab, the cursor
        moves appropriately within the window.
 
-       <STRONG>o</STRONG>   Backspace  moves  the cursor one character left; at the left margin
+       <STRONG>o</STRONG>   Backspace moves the cursor one character left; at the  left  margin
            of a window, it does nothing.
 
-       <STRONG>o</STRONG>   Carriage return moves the cursor to the left  margin  on  the  same
+       <STRONG>o</STRONG>   Carriage  return  moves  the  cursor to the left margin on the same
            line of the window.
 
-       <STRONG>o</STRONG>   Line  feed  does a <STRONG><A HREF="curs_clear.3x.html">clrtoeol(3x)</A></STRONG>, then advances as if from the right
+       <STRONG>o</STRONG>   Line feed does a <STRONG><A HREF="curs_clear.3x.html">clrtoeol(3x)</A></STRONG>, then advances as if from  the  right
            margin.
 
-       <STRONG>o</STRONG>   Tab advances the cursor to the next tab stop (possibly on the  next
-           line);  these  are placed at every eighth column by default.  Alter
-           the   tab   interval    with    the    <STRONG>TABSIZE</STRONG>    extension;    see
+       <STRONG>o</STRONG>   Tab  advances the cursor to the next tab stop (possibly on the next
+           line); these are placed at every eighth column by  default.   Alter
+           the    tab    interval    with    the    <STRONG>TABSIZE</STRONG>   extension;   see
            <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>.
 
-       If  <EM>wch</EM>  is  any other nonprintable character, it is drawn in printable
-       form using the same convention as <STRONG><A HREF="curs_util.3x.html">wunctrl(3x)</A></STRONG>.  Calling <STRONG><A HREF="curs_in_wch.3x.html">win_wch(3x)</A></STRONG>  on
-       the  location of a nonprintable character does not return the character
+       If <EM>wch</EM> is any other nonprintable character, it is  drawn  in  printable
+       form  using the same convention as <STRONG><A HREF="curs_util.3x.html">wunctrl(3x)</A></STRONG>.  Calling <STRONG><A HREF="curs_in_wch.3x.html">win_wch(3x)</A></STRONG> on
+       the location of a nonprintable character does not return the  character
        itself, but its <STRONG><A HREF="curs_util.3x.html">wunctrl(3x)</A></STRONG> representation.
 
-       A <EM>cchar</EM><STRONG>_</STRONG><EM>t</EM> can be copied from  place  to  place  using  <STRONG><A HREF="curs_in_wch.3x.html">win_wch(3x)</A></STRONG>  and
-       <STRONG>wadd_wch</STRONG>.   See  <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG>  for values of predefined constants that
+       A  <EM>cchar</EM><STRONG>_</STRONG><EM>t</EM>  can  be  copied  from  place to place using <STRONG><A HREF="curs_in_wch.3x.html">win_wch(3x)</A></STRONG> and
+       <STRONG>wadd_wch</STRONG>.  See <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG> for values of  predefined  constants  that
        can be usefully "or"ed with characters.  A complex character whose only
-       character  component  is  a  wide  space,  and  whose only attribute is
-       <STRONG>WA_NORMAL</STRONG>, is a  <EM>blank</EM>  <EM>character</EM>,  and  therefore  combines  with  the
+       character component is a  wide  space,  and  whose  only  attribute  is
+       <STRONG>WA_NORMAL</STRONG>,  is  a  <EM>blank</EM>  <EM>character</EM>,  and  therefore  combines with the
        background character; see <STRONG><A HREF="curs_bkgrnd.3x.html">curs_bkgrnd(3x)</A></STRONG>.
 
 
 </PRE><H3><a name="h3-wecho_wchar">wecho_wchar</a></H3><PRE>
-       <STRONG>echo_wchar</STRONG>   and  <STRONG>wecho_wchar</STRONG>  are  equivalent  to  calling  (<STRONG>w</STRONG>)<STRONG>add_wch</STRONG>
-       followed by (<STRONG>w</STRONG>)<STRONG>refresh</STRONG> on  <STRONG>stdscr</STRONG>  or  the  specified  window.   <EM>curses</EM>
-       interprets  these  functions  as  a  hint  that only a single (complex)
-       character is being output; for non-control characters,  a  considerable
+       <STRONG>echo_wchar</STRONG>  and  <STRONG>wecho_wchar</STRONG>  are  equivalent  to  calling   (<STRONG>w</STRONG>)<STRONG>add_wch</STRONG>
+       followed  by  (<STRONG>w</STRONG>)<STRONG>refresh</STRONG>  on  <STRONG>stdscr</STRONG>  or  the specified window.  <EM>curses</EM>
+       interprets these functions as a  hint  that  only  a  single  (complex)
+       character  is  being output; for non-control characters, a considerable
        performance gain may be enjoyed by employing them.
 
 
 </PRE><H3><a name="h3-Forms-Drawing-Characters">Forms-Drawing Characters</a></H3><PRE>
-       <EM>curses</EM>  defines  macros  starting  with  <STRONG>WACS_</STRONG>  that  can  be used with
-       <STRONG>wadd_wch</STRONG> to  write  line-drawing  and  other  symbols  to  the  screen.
-       <EM>ncurses</EM>  terms  these <EM>forms-drawing</EM> <EM>characters.</EM>  The ACS default listed
-       below is used if the <STRONG>acs_chars</STRONG>  (<STRONG>acsc</STRONG>)  <EM>terminfo</EM>  capability  does  not
-       define  a terminal-specific replacement for it, or if the terminal type
+       <EM>curses</EM> defines macros  starting  with  <STRONG>WACS_</STRONG>  that  can  be  used  with
+       <STRONG>wadd_wch</STRONG>  to  write  line-drawing  and  other  symbols  to  the screen.
+       <EM>ncurses</EM> terms these <EM>forms-drawing</EM> <EM>characters.</EM>  The ACS  default  listed
+       below  is  used  if  the  <STRONG>acs_chars</STRONG> (<STRONG>acsc</STRONG>) <EM>terminfo</EM> capability does not
+       define a terminal-specific replacement for it, or if the terminal  type
        and locale configuration require Unicode to access these characters but
        the  library  is  unable  to  use  Unicode.   The  "acsc  char"  column
        corresponds to how the characters are specified in the <STRONG>acs_chars</STRONG> (<STRONG>acsc</STRONG>)
        string capability, and the characters in it may appear on the screen if
-       the terminal type's database entry incorrectly advertises ACS  support.
+       the  terminal type's database entry incorrectly advertises ACS support.
        The name "ACS" originates in the Alternate Character Set feature of the
        DEC VT100 terminal.
 
@@ -244,11 +245,11 @@
        <STRONG>WACS_TTEE</STRONG>       U+252c    +         w      top tee
        <STRONG>WACS_UARROW</STRONG>     U+2191    ^         -      arrow pointing up
        <STRONG>WACS_ULCORNER</STRONG>   U+250c    +         l      upper left-hand corner
-       <STRONG>WACS_URCORNER</STRONG>   U+2510    +         k      upper right-hand corner
 
+       <STRONG>WACS_URCORNER</STRONG>   U+2510    +         k      upper right-hand corner
        <STRONG>WACS_VLINE</STRONG>      U+2502    |         x      vertical line
 
-       The <EM>ncurses</EM> wide API also defines symbols for  thick  lines  (<STRONG>acsc</STRONG>  "J"
+       The  <EM>ncurses</EM>  wide  API  also defines symbols for thick lines (<STRONG>acsc</STRONG> "J"
        through "N", "T" through "X", and "Q"):
 
                          <STRONG>Unicode</STRONG>   <STRONG>ASCII</STRONG>     <STRONG>acsc</STRONG>
@@ -283,9 +284,9 @@
        <STRONG>WACS_D_URCORNER</STRONG>   U+2557    +         B      double upper right corner
        <STRONG>WACS_D_VLINE</STRONG>      U+2551    |         Y      double vertical line
 
-       Unicode's  descriptions  for  these  characters  differs  slightly from
-       <EM>ncurses</EM>, by introducing the term "light"  (along  with  less  important
-       details).   Here are its descriptions for the normal, thick, and double
+       Unicode's descriptions  for  these  characters  differs  slightly  from
+       <EM>ncurses</EM>,  by  introducing  the  term "light" (along with less important
+       details).  Here are its descriptions for the normal, thick, and  double
        horizontal lines:
 
        <STRONG>o</STRONG>   U+2500 BOX DRAWINGS LIGHT HORIZONTAL
@@ -302,31 +303,31 @@
 
        <STRONG>o</STRONG>   the <EM>curses</EM> screen has not been initialized,
 
-       <STRONG>o</STRONG>   (for functions taking a <EM>WINDOW</EM> pointer  argument)  <EM>win</EM>  is  a  null
+       <STRONG>o</STRONG>   (for  functions  taking  a  <EM>WINDOW</EM>  pointer argument) <EM>win</EM> is a null
            pointer,
 
-       <STRONG>o</STRONG>   wrapping  to  a new line is impossible because <STRONG><A HREF="scrollok.3x.html">scrollok(3x)</A></STRONG> has not
-           been called on <EM>win</EM> (or <STRONG>stdscr</STRONG>, as applicable) when writing  to  its
+       <STRONG>o</STRONG>   wrapping to a new line is impossible because <STRONG><A HREF="scrollok.3x.html">scrollok(3x)</A></STRONG>  has  not
+           been  called  on <EM>win</EM> (or <STRONG>stdscr</STRONG>, as applicable) when writing to its
            bottom right location is attempted, or
 
-       <STRONG>o</STRONG>   it  is  not  possible  to  add  a  complete character at the cursor
+       <STRONG>o</STRONG>   it is not possible to  add  a  complete  character  at  the  cursor
            position.
 
-       Functions prefixed with "mv" first perform cursor movement and fail  if
+       Functions  prefixed with "mv" first perform cursor movement and fail if
        the position (<EM>y</EM>, <EM>x</EM>) is outside the window boundaries.
 
 
 </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
-       <STRONG>add_wch</STRONG>,  <STRONG>mvadd_wch</STRONG>,  <STRONG>mvwadd_wch</STRONG>,  and <STRONG>echo_wchar</STRONG> may be implemented as
+       <STRONG>add_wch</STRONG>, <STRONG>mvadd_wch</STRONG>, <STRONG>mvwadd_wch</STRONG>, and <STRONG>echo_wchar</STRONG> may  be  implemented  as
        macros.
 
 
 </PRE><H2><a name="h2-EXTENSIONS">EXTENSIONS</a></H2><PRE>
-       The  symbols  <EM>WACS</EM><STRONG>_</STRONG><EM>S3</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>S7</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>LEQUAL</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>GEQUAL</EM>,   <EM>WACS</EM><STRONG>_</STRONG><EM>PI</EM>,
-       <EM>WACS</EM><STRONG>_</STRONG><EM>NEQUAL</EM>,   and  <EM>WACS</EM><STRONG>_</STRONG><EM>STERLING</EM>  are  not  standard.   However,  many
-       publicly  available   <EM>terminfo</EM>   entries   include   <EM>acs</EM><STRONG>_</STRONG><EM>chars</EM>   (<STRONG>acsc</STRONG>)
-       capabilities  in which their key characters (<STRONG>pryz{|}</STRONG>) are embedded, and
-       a second-hand list of their character descriptions has come  to  light.
+       The   symbols  <EM>WACS</EM><STRONG>_</STRONG><EM>S3</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>S7</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>LEQUAL</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>GEQUAL</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>PI</EM>,
+       <EM>WACS</EM><STRONG>_</STRONG><EM>NEQUAL</EM>,  and  <EM>WACS</EM><STRONG>_</STRONG><EM>STERLING</EM>  are  not  standard.   However,   many
+       publicly   available   <EM>terminfo</EM>   entries   include   <EM>acs</EM><STRONG>_</STRONG><EM>chars</EM>  (<STRONG>acsc</STRONG>)
+       capabilities in which their key characters (<STRONG>pryz{|}</STRONG>) are embedded,  and
+       a  second-hand  list of their character descriptions has come to light.
        The <EM>ncurses</EM> developers invented WACS-prefixed names for them.
 
 
@@ -334,59 +335,59 @@
        Applications employing <EM>ncurses</EM> extensions should condition their use on
        the visibility of the <STRONG>NCURSES_VERSION</STRONG> preprocessor macro.
 
-       These functions are described in X/Open Curses Issue 4.   It  specifies
+       These  functions  are described in X/Open Curses Issue 4.  It specifies
        no error conditions for them.
 
-       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  a  pointer  to  <EM>cchar</EM><STRONG>_</STRONG><EM>t</EM>  data,  e.g., in the discussion of
+       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 a pointer to  <EM>cchar</EM><STRONG>_</STRONG><EM>t</EM>  data,  e.g.,  in  the  discussion  of
        <EM>border</EM><STRONG>_</STRONG><EM>set</EM>.  A few implementations are problematic:
 
        <STRONG>o</STRONG>   NetBSD <EM>curses</EM> defines the symbols as a <EM>wchar</EM><STRONG>_</STRONG><EM>t</EM> within a <EM>cchar</EM><STRONG>_</STRONG><EM>t</EM>.
 
-       <STRONG>o</STRONG>   HP-UX <EM>curses</EM> equates some of the  <EM>ACS</EM><STRONG>_</STRONG>  symbols  to  the  analogous
-           <EM>WACS</EM><STRONG>_</STRONG>  symbols  as  if  the <EM>ACS</EM><STRONG>_</STRONG> symbols were wide characters.  The
-           misdefined symbols are the arrows and other symbols which  are  not
+       <STRONG>o</STRONG>   HP-UX  <EM>curses</EM>  equates  some  of  the <EM>ACS</EM><STRONG>_</STRONG> symbols to the analogous
+           <EM>WACS</EM><STRONG>_</STRONG> symbols as if the <EM>ACS</EM><STRONG>_</STRONG> symbols  were  wide  characters.   The
+           misdefined  symbols  are the arrows and other symbols which are not
            used for line-drawing.
 
-       X/Open  Curses  does  not  specify  symbols for thick- or double-lines.
+       X/Open Curses does not specify  symbols  for  thick-  or  double-lines.
        SVr4 <EM>curses</EM> implementations defined their line-drawing symbols in terms
-       of  intermediate symbols.  <EM>ncurses</EM> extends those symbols, providing new
+       of intermediate symbols.  <EM>ncurses</EM> extends those symbols, providing  new
        definitions not found in SVr4 implementations.
 
-       Not all  Unicode-capable  terminals  provide  support  for  VT100-style
+       Not  all  Unicode-capable  terminals  provide  support  for VT100-style
        alternate character sets (i.e., the <EM>acsc</EM><STRONG>_</STRONG><EM>chars</EM> (<STRONG>acsc</STRONG>) capability), with
-       their corresponding line-drawing characters.   X/Open  Curses  did  not
+       their  corresponding  line-drawing  characters.   X/Open Curses did not
        address the aspect of integrating Unicode with line-drawing characters.
-       Existing implementations of System V <EM>curses</EM> (AIX, HP-UX,  Solaris)  use
-       only  the  <EM>acsc</EM><STRONG>_</STRONG><EM>chars</EM> (<STRONG>acsc</STRONG>) character-mapping to provide this feature.
-       As a result, those  implementations  can  use  only  single-byte  line-
-       drawing  characters.   <EM>ncurses</EM>  5.3  (2002) provided a table of Unicode
-       values to solve these problems.  NetBSD <EM>curses</EM> incorporated that  table
+       Existing  implementations  of System V <EM>curses</EM> (AIX, HP-UX, Solaris) use
+       only the <EM>acsc</EM><STRONG>_</STRONG><EM>chars</EM> (<STRONG>acsc</STRONG>) character-mapping to provide  this  feature.
+       As  a  result,  those  implementations  can  use only single-byte line-
+       drawing characters.  <EM>ncurses</EM> 5.3 (2002) provided  a  table  of  Unicode
+       values  to solve these problems.  NetBSD <EM>curses</EM> incorporated that table
        in 2010.
 
-       <EM>ncurses</EM>   uses   the  Unicode  values  instead  of  the  terminal  type
+       <EM>ncurses</EM>  uses  the  Unicode  values  instead  of  the   terminal   type
        description's <EM>acsc</EM><STRONG>_</STRONG><EM>chars</EM> (<STRONG>acsc</STRONG>) mapping as discussed in <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG> for
-       the  environment  variable  <EM>NCURSES</EM><STRONG>_</STRONG><EM>NO</EM><STRONG>_</STRONG><EM>UTF8</EM><STRONG>_</STRONG><EM>ACS</EM>.   In contrast, for the
+       the environment variable <EM>NCURSES</EM><STRONG>_</STRONG><EM>NO</EM><STRONG>_</STRONG><EM>UTF8</EM><STRONG>_</STRONG><EM>ACS</EM>.   In  contrast,  for  the
        same cases, the line-drawing characters described in <STRONG><A HREF="curs_addch.3x.html">addch(3x)</A></STRONG> will use
        only the ASCII default values.
 
-       Having  Unicode available does not solve all of the problems with line-
+       Having Unicode available does not solve all of the problems with  line-
        drawing for <EM>curses</EM>:
 
-       <STRONG>o</STRONG>   The closest Unicode equivalents to the VT100 graphics <EM>S1</EM>,  <EM>S3</EM>,  <EM>S7</EM>,
-           and  <EM>S9</EM> frequently are not displayed at the regular intervals which
+       <STRONG>o</STRONG>   The  closest  Unicode equivalents to the VT100 graphics <EM>S1</EM>, <EM>S3</EM>, <EM>S7</EM>,
+           and <EM>S9</EM> frequently are not displayed at the regular intervals  which
            the terminal used.
 
-       <STRONG>o</STRONG>   The <EM>lantern</EM> is a special case.  It originated with  the  AT&amp;T  4410
-           terminal  in the early 1980s.  There is no accessible documentation
+       <STRONG>o</STRONG>   The  <EM>lantern</EM>  is  a special case.  It originated with the AT&amp;T 4410
+           terminal in the early 1980s.  There is no accessible  documentation
            depicting the lantern symbol on the AT&amp;T terminal.
 
            Lacking documentation, most readers assume that a <EM>storm</EM> <EM>lantern</EM> was
            intended.  But there are several possibilities, all with problems.
 
-           Unicode  6.0  (2010)  does provide two lantern symbols: U+1F383 and
-           U+1F3EE.  Those were not available  in  2002,  and  are  irrelevant
+           Unicode 6.0 (2010) does provide two lantern  symbols:  U+1F383  and
+           U+1F3EE.   Those  were  not  available  in 2002, and are irrelevant
            since they lie outside the Basic Multilingual Plane and as a result
            are unavailable on many terminals.  They are not storm lanterns, in
            any case.
@@ -394,20 +395,20 @@
            Most <EM>storm</EM> <EM>lanterns</EM> have a tapering glass chimney (to guard against
            tipping); some have a wire grid protecting the chimney.
 
-           For the tapering appearance,  U+2603 was adequate.   In  use  on  a
+           For  the  tapering  appearance,   U+2603 was adequate.  In use on a
            terminal, no one can tell what the image represents.  Unicode calls
            it a snowman.
 
            Others have suggested these alternatives: &lt;section&gt; U+00A7 (section
-           mark),  &lt;Theta&gt;  U+0398 (theta), &lt;Phi&gt; U+03A6 (phi), &lt;delta&gt; U+03B4
+           mark), &lt;Theta&gt; U+0398 (theta), &lt;Phi&gt; U+03A6 (phi),  &lt;delta&gt;  U+03B4
            (delta),  U+2327 (x in a rectangle),  U+256C (forms double vertical
            and horizontal), and  U+2612 (ballot box with x).
 
 
 </PRE><H3><a name="h3-Complex-Characters">Complex Characters</a></H3><PRE>
-       The  complex  character  type  <EM>cchar</EM><STRONG>_</STRONG><EM>t</EM>  can  store  more  than one wide
-       character (<EM>wchar</EM><STRONG>_</STRONG><EM>t</EM>).  X/Open Curses does not mention this  possibility,
-       specifying  behavior  only  where  <EM>wch</EM>  is  a  single character, either
+       The complex character  type  <EM>cchar</EM><STRONG>_</STRONG><EM>t</EM>  can  store  more  than  one  wide
+       character  (<EM>wchar</EM><STRONG>_</STRONG><EM>t</EM>).  X/Open Curses does not mention this possibility,
+       specifying behavior only  where  <EM>wch</EM>  is  a  single  character,  either
        spacing or non-spacing.
 
        <EM>ncurses</EM> assumes that <EM>wch</EM> is constructed using <STRONG><A HREF="curs_getcchar.3x.html">setcchar(3x)</A></STRONG>, and in turn
@@ -418,22 +419,22 @@
 
        <STRONG>o</STRONG>   holds one non-spacing character.
 
-       In the latter case, <EM>ncurses</EM>  adds  the  non-spacing  character  to  the
+       In  the  latter  case,  <EM>ncurses</EM>  adds  the non-spacing character to the
        active complex character.
 
 
 </PRE><H2><a name="h2-HISTORY">HISTORY</a></H2><PRE>
-       X/Open  Curses Issue 4 (1995) initially specified these functions.  The
+       X/Open Curses Issue 4 (1995) initially specified these functions.   The
        System V  Interface  Definition  (SVID)  Version 4  of  the  same  year
-       specified  functions named <EM>waddwch</EM> (and the usual variants), <EM>echowchar</EM>,
+       specified functions named <EM>waddwch</EM> (and the usual variants),  <EM>echowchar</EM>,
        and <EM>wechowchar</EM>.  These were later additions to SVr4.<EM>x</EM>, not appearing in
-       the  first SVr4 (1989).  They differed from X/Open's later <EM>wadd</EM><STRONG>_</STRONG><EM>wch</EM> and
-       <EM>wecho</EM><STRONG>_</STRONG><EM>wchar</EM> in that they each took an argument of type <EM>wchar</EM><STRONG>_</STRONG><EM>t</EM>  instead
+       the first SVr4 (1989).  They differed from X/Open's later <EM>wadd</EM><STRONG>_</STRONG><EM>wch</EM>  and
+       <EM>wecho</EM><STRONG>_</STRONG><EM>wchar</EM>  in that they each took an argument of type <EM>wchar</EM><STRONG>_</STRONG><EM>t</EM> instead
        of <EM>cchar</EM><STRONG>_</STRONG><EM>t</EM>.  SVID defined no  <EM>WACS</EM><STRONG>_</STRONG> symbols.
 
-       X/Open  Curses  Issue 4  also  defined  many  of  the  <EM>WACS</EM><STRONG>_</STRONG> constants,
+       X/Open Curses  Issue 4  also  defined  many  of  the  <EM>WACS</EM><STRONG>_</STRONG>  constants,
        excepting  <EM>WACS</EM><STRONG>_</STRONG><EM>GEQUAL</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>LEQUAL</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>NEQUAL</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>PI</EM>,  <EM>WACS</EM><STRONG>_</STRONG><EM>S3</EM>,
-       <EM>WACS</EM><STRONG>_</STRONG><EM>S7</EM>,  and  <EM>WACS</EM><STRONG>_</STRONG><EM>STERLING</EM>;  and  those  for drawing thick and double
+       <EM>WACS</EM><STRONG>_</STRONG><EM>S7</EM>, and <EM>WACS</EM><STRONG>_</STRONG><EM>STERLING</EM>; and those  for  drawing  thick  and  double
        lines.
 
        <EM>ncurses</EM> 5.3 (2002) furnished the remaining <EM>WACS</EM><STRONG>_</STRONG> constants.
@@ -444,12 +445,12 @@
        its non-wide-character configuration.
 
        <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>,   <STRONG><A HREF="curs_addwstr.3x.html">curs_addwstr(3x)</A></STRONG>,   <STRONG><A HREF="curs_add_wchstr.3x.html">curs_add_wchstr(3x)</A></STRONG>,   <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG>,
-       <STRONG><A HREF="curs_bkgrnd.3x.html">curs_bkgrnd(3x)</A></STRONG>, <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>,  <STRONG><A HREF="curs_getcchar.3x.html">curs_getcchar(3x)</A></STRONG>,  <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>,
+       <STRONG><A HREF="curs_bkgrnd.3x.html">curs_bkgrnd(3x)</A></STRONG>,  <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>,  <STRONG><A HREF="curs_getcchar.3x.html">curs_getcchar(3x)</A></STRONG>, <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>,
        <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>, <STRONG>putwc(3)</STRONG>
 
 
 
-ncurses 6.5                       2025-03-01                  <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG>
+ncurses 6.5                       2025-03-08                  <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG>
 </PRE>
 <div class="nav">
 <ul>
Index: doc/html/man/curs_addch.3x.html
--- ncurses-6.5-20250301+/doc/html/man/curs_addch.3x.html	2025-03-01 22:03:50.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/curs_addch.3x.html	2025-03-09 00:55:53.000000000 +0000
@@ -28,19 +28,19 @@
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_addch.3x,v 1.128 2025/03/01 21:16:45 tom Exp @
+  * @Id: curs_addch.3x,v 1.130 2025/03/08 23:01:20 tom Exp @
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
-<TITLE>curs_addch 3x 2025-03-01 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_addch 3x 2025-03-08 ncurses 6.5 Library calls</TITLE>
 <link rel="author" href="mailto:bug-ncurses@gnu.org">
 
 </HEAD>
 <BODY>
-<H1 class="no-header">curs_addch 3x 2025-03-01 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_addch 3x 2025-03-08 ncurses 6.5 Library calls</H1>
 <PRE>
 <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>                   Library calls                  <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>
 
@@ -117,59 +117,60 @@
 
        If the cursor is at the bottom of the scrolling region when advancement
        occurs at the right margin, and <STRONG><A HREF="scrollok.3x.html">scrollok(3x)</A></STRONG> is enabled  for  <EM>win</EM>,  the
-       scrolling  region  scrolls  up  one  line.   Otherwise, advancement and
-       scrolling do not occur, and <STRONG>waddch</STRONG> returns <STRONG>ERR</STRONG>.
+       cursor  wraps  as  above  and the scrolling region scrolls up one line.
+       Otherwise, advancement and scrolling do not occur, and  <STRONG>waddch</STRONG>  returns
+       <STRONG>ERR</STRONG>.
 
-       If <EM>ch</EM> is a backspace, carriage return, line feed, or  tab,  the  cursor
+       If  <EM>ch</EM>  is  a backspace, carriage return, line feed, or tab, the cursor
        moves appropriately within the window.
 
-       <STRONG>o</STRONG>   Backspace  moves  the cursor one character left; at the left margin
+       <STRONG>o</STRONG>   Backspace moves the cursor one character left; at the  left  margin
            of a window, it does nothing.
 
-       <STRONG>o</STRONG>   Carriage return moves the cursor to the left  margin  on  the  same
+       <STRONG>o</STRONG>   Carriage  return  moves  the  cursor to the left margin on the same
            line of the window.
 
-       <STRONG>o</STRONG>   Line  feed  does a <STRONG><A HREF="curs_clear.3x.html">clrtoeol(3x)</A></STRONG>, then advances as if from the right
+       <STRONG>o</STRONG>   Line feed does a <STRONG><A HREF="curs_clear.3x.html">clrtoeol(3x)</A></STRONG>, then advances as if from  the  right
            margin.
 
-       <STRONG>o</STRONG>   Tab advances the cursor to the next tab stop (possibly on the  next
-           line);  these  are placed at every eighth column by default.  Alter
-           the   tab   interval    with    the    <STRONG>TABSIZE</STRONG>    extension;    see
+       <STRONG>o</STRONG>   Tab  advances the cursor to the next tab stop (possibly on the next
+           line); these are placed at every eighth column by  default.   Alter
+           the    tab    interval    with    the    <STRONG>TABSIZE</STRONG>   extension;   see
            <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>.
 
-       If  <EM>ch</EM>  is  any  other nonprintable character, it is drawn in printable
+       If <EM>ch</EM> is any other nonprintable character, it  is  drawn  in  printable
        form using the same convention as <STRONG><A HREF="unctrl.3x.html">unctrl(3x)</A></STRONG>.  Calling <STRONG><A HREF="curs_inch.3x.html">winch(3x)</A></STRONG> on the
-       location  of  a  nonprintable  character  does not return the character
+       location of a nonprintable character  does  not  return  the  character
        itself, but its <STRONG><A HREF="unctrl.3x.html">unctrl(3x)</A></STRONG> representation.
 
-       The object or expression <EM>ch</EM> may contain attributes and/or a color  pair
-       identifier.   (A  <EM>chtype</EM>  can  be  copied  from  place  to  place using
-       <STRONG><A HREF="curs_inch.3x.html">winch(3x)</A></STRONG> and <STRONG>waddch</STRONG>.)  See  <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG>  for  values  of  predefined
-       constants  that  can  be  usefully  "or"ed with characters.  A <EM>ch</EM> whose
-       character component is a space, and whose only attribute  is  <STRONG>A_NORMAL</STRONG>,
-       is  a  <EM>blank</EM>  <EM>character</EM>,  and  therefore  combines  with the background
+       The  object or expression <EM>ch</EM> may contain attributes and/or a color pair
+       identifier.  (A  <EM>chtype</EM>  can  be  copied  from  place  to  place  using
+       <STRONG><A HREF="curs_inch.3x.html">winch(3x)</A></STRONG>  and  <STRONG>waddch</STRONG>.)   See  <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG>  for values of predefined
+       constants that can be usefully "or"ed  with  characters.   A  <EM>ch</EM>  whose
+       character  component  is a space, and whose only attribute is <STRONG>A_NORMAL</STRONG>,
+       is a <EM>blank</EM>  <EM>character</EM>,  and  therefore  combines  with  the  background
        character; see <STRONG><A HREF="curs_bkgd.3x.html">curs_bkgd(3x)</A></STRONG>.
 
 
 </PRE><H3><a name="h3-wechochar">wechochar</a></H3><PRE>
-       <STRONG>echochar</STRONG> and <STRONG>wechochar</STRONG> are equivalent to calling (<STRONG>w</STRONG>)<STRONG>addch</STRONG>  followed  by
-       (<STRONG>w</STRONG>)<STRONG>refresh</STRONG>  on <STRONG>stdscr</STRONG> or the specified window.  <EM>curses</EM> interprets these
-       functions as a hint to its optimizer that only a single character  cell
-       in  the  window  is  being  altered  between refreshes; for non-control
+       <STRONG>echochar</STRONG>  and  <STRONG>wechochar</STRONG> are equivalent to calling (<STRONG>w</STRONG>)<STRONG>addch</STRONG> followed by
+       (<STRONG>w</STRONG>)<STRONG>refresh</STRONG> on <STRONG>stdscr</STRONG> or the specified window.  <EM>curses</EM> interprets  these
+       functions  as a hint to its optimizer that only a single character cell
+       in the window is  being  altered  between  refreshes;  for  non-control
        characters, a considerable performance gain may be enjoyed by employing
        them.
 
 
 </PRE><H3><a name="h3-Forms-Drawing-Characters">Forms-Drawing Characters</a></H3><PRE>
-       <EM>curses</EM>  defines  macros starting with <STRONG>ACS_</STRONG> that can be used with <STRONG>waddch</STRONG>
-       to write line-drawing and other symbols to the screen.   <EM>ncurses</EM>  terms
-       these  <EM>forms-drawing</EM>  <EM>characters.</EM>  The ACS default listed below is used
+       <EM>curses</EM> defines macros starting with <STRONG>ACS_</STRONG> that can be used  with  <STRONG>waddch</STRONG>
+       to  write  line-drawing and other symbols to the screen.  <EM>ncurses</EM> terms
+       these <EM>forms-drawing</EM> <EM>characters.</EM>  The ACS default listed below  is  used
        if the <STRONG>acs_chars</STRONG> (<STRONG>acsc</STRONG>) <EM>terminfo</EM> capability does not define a terminal-
-       specific  replacement  for  it,  or  if  the  terminal  type and locale
-       configuration require  Unicode  to  access  these  characters  but  the
-       library  is  unable to use Unicode.  The "acsc char" column corresponds
-       to how the characters are specified  in  the  <STRONG>acs_chars</STRONG>  (<STRONG>acsc</STRONG>)  string
-       capability,  and  the  characters in it may appear on the screen if the
+       specific replacement for  it,  or  if  the  terminal  type  and  locale
+       configuration  require  Unicode  to  access  these  characters  but the
+       library is unable to use Unicode.  The "acsc char"  column  corresponds
+       to  how  the  characters  are  specified in the <STRONG>acs_chars</STRONG> (<STRONG>acsc</STRONG>) string
+       capability, and the characters in it may appear on the  screen  if  the
        terminal type's database entry incorrectly advertises ACS support.  The
        name "ACS" originates in the Alternate Character Set feature of the DEC
        VT100 terminal.
@@ -219,27 +220,27 @@
 
        <STRONG>o</STRONG>   the <EM>curses</EM> screen has not been initialized,
 
-       <STRONG>o</STRONG>   (for functions taking a <EM>WINDOW</EM> pointer  argument)  <EM>win</EM>  is  a  null
+       <STRONG>o</STRONG>   (for  functions  taking  a  <EM>WINDOW</EM>  pointer argument) <EM>win</EM> is a null
            pointer,
 
-       <STRONG>o</STRONG>   wrapping  to  a new line is impossible because <STRONG><A HREF="scrollok.3x.html">scrollok(3x)</A></STRONG> has not
-           been called on <EM>win</EM> (or <STRONG>stdscr</STRONG>, as applicable) when a write  to  its
+       <STRONG>o</STRONG>   wrapping to a new line is impossible because <STRONG><A HREF="scrollok.3x.html">scrollok(3x)</A></STRONG>  has  not
+           been  called  on <EM>win</EM> (or <STRONG>stdscr</STRONG>, as applicable) when a write to its
            bottom right location is attempted, or
 
-       <STRONG>o</STRONG>   it  is  not  possible  to  add  a  complete character at the cursor
+       <STRONG>o</STRONG>   it is not possible to  add  a  complete  character  at  the  cursor
            position.
 
        The last may be due to different causes:
 
-       <STRONG>o</STRONG>   conversion of a wide character to a  multibyte  character  sequence
+       <STRONG>o</STRONG>   conversion  of  a  wide character to a multibyte character sequence
            can fail, or
 
-       <STRONG>o</STRONG>   at  least one of the bytes resulting from wide character conversion
-           to a multibyte character sequence cannot be added  to  the  window.
-           See  section  "PORTABILITY"  below regarding the use of <STRONG>waddch</STRONG> with
+       <STRONG>o</STRONG>   at least one of the bytes resulting from wide character  conversion
+           to  a  multibyte  character sequence cannot be added to the window.
+           See section "PORTABILITY" below regarding the use  of  <STRONG>waddch</STRONG>  with
            wide characters.
 
-       Functions prefixed with "mv" first perform cursor movement and fail  if
+       Functions  prefixed with "mv" first perform cursor movement and fail if
        the position (<EM>y</EM>, <EM>x</EM>) is outside the window boundaries.
 
 
@@ -249,11 +250,11 @@
 
 </PRE><H2><a name="h2-EXTENSIONS">EXTENSIONS</a></H2><PRE>
        The symbols <EM>ACS</EM><STRONG>_</STRONG><EM>S3</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>S7</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>LEQUAL</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>GEQUAL</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>PI</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>NEQUAL</EM>,
-       and <EM>ACS</EM><STRONG>_</STRONG><EM>STERLING</EM> were not documented in any publicly released  System V
-       and  are  not  standard.   However,  many  publicly  available <EM>terminfo</EM>
-       entries include  <EM>acs</EM><STRONG>_</STRONG><EM>chars</EM>  (<STRONG>acsc</STRONG>)  capabilities  in  which  their  key
-       characters  (<STRONG>pryz{|}</STRONG>)  are  embedded,  and  a second-hand list of their
-       character descriptions has  come  to  light.   The  <EM>ncurses</EM>  developers
+       and  <EM>ACS</EM><STRONG>_</STRONG><EM>STERLING</EM> were not documented in any publicly released System V
+       and are  not  standard.   However,  many  publicly  available  <EM>terminfo</EM>
+       entries  include  <EM>acs</EM><STRONG>_</STRONG><EM>chars</EM>  (<STRONG>acsc</STRONG>)  capabilities  in  which  their key
+       characters (<STRONG>pryz{|}</STRONG>) are embedded, and  a  second-hand  list  of  their
+       character  descriptions  has  come  to  light.   The <EM>ncurses</EM> developers
        invented ACS-prefixed names for them.
 
 
@@ -264,79 +265,79 @@
        X/Open Curses Issue 4 describes these functions.  It specifies no error
        conditions for them.
 
-       SVr4  describes  a  successful  return  value only as "an integer value
+       SVr4 describes a successful return value  only  as  "an  integer  value
        other than <EM>ERR</EM>".
 
-       The defaults specified for forms-drawing characters apply in the  POSIX
+       The  defaults specified for forms-drawing characters apply in the POSIX
        locale.
 
 
 </PRE><H3><a name="h3-ACS-Symbols">ACS Symbols</a></H3><PRE>
-       X/Open  Curses  states  that  the  <EM>ACS</EM><STRONG>_</STRONG> definitions are <EM>char</EM> constants.
+       X/Open Curses states that the  <EM>ACS</EM><STRONG>_</STRONG>  definitions  are  <EM>char</EM>  constants.
        Some implementations are problematic.
 
-       <STRONG>o</STRONG>   Solaris <EM>curses</EM>, for example, defines the ACS symbols as  constants;
+       <STRONG>o</STRONG>   Solaris  <EM>curses</EM>, for example, defines the ACS symbols as constants;
            others define them as elements of an array.
 
-           SVr4  used  an array, <EM>acs</EM><STRONG>_</STRONG><EM>map</EM>, as does <EM>ncurses</EM>.  NetBSD <EM>curses</EM> also
-           uses an array, actually  named  <STRONG>_</STRONG><EM>acs</EM><STRONG>_</STRONG><EM>char</EM>,  with  a  "#define"  for
+           SVr4 used an array, <EM>acs</EM><STRONG>_</STRONG><EM>map</EM>, as does <EM>ncurses</EM>.  NetBSD  <EM>curses</EM>  also
+           uses  an  array,  actually  named  <STRONG>_</STRONG><EM>acs</EM><STRONG>_</STRONG><EM>char</EM>,  with a "#define" for
            compatibility.
 
-       <STRONG>o</STRONG>   HP-UX  <EM>curses</EM>  equates  some  of  the <EM>ACS</EM><STRONG>_</STRONG> symbols to the analogous
-           <EM>WACS</EM><STRONG>_</STRONG> symbols as if the <EM>ACS</EM><STRONG>_</STRONG>  symbols  were  wide  characters  (see
-           <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG>).   The  misdefined  symbols  are  the  arrows and
+       <STRONG>o</STRONG>   HP-UX <EM>curses</EM> equates some of the  <EM>ACS</EM><STRONG>_</STRONG>  symbols  to  the  analogous
+           <EM>WACS</EM><STRONG>_</STRONG>  symbols  as  if  the  <EM>ACS</EM><STRONG>_</STRONG> symbols were wide characters (see
+           <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG>).  The  misdefined  symbols  are  the  arrows  and
            others that are not used for line drawing.
 
-       <STRONG>o</STRONG>   X/Open Curses (Issues 2 through 7) has a  typographical  error  for
-           the  <EM>ACS</EM><STRONG>_</STRONG><EM>LANTERN</EM>  symbol,  equating  its  "VT100+ Character" to "I"
-           (capital I), while the header  files  for  SVr4  <EM>curses</EM>  and  other
+       <STRONG>o</STRONG>   X/Open  Curses  (Issues 2  through 7) has a typographical error for
+           the <EM>ACS</EM><STRONG>_</STRONG><EM>LANTERN</EM> symbol, equating  its  "VT100+  Character"  to  "I"
+           (capital  I),  while  the  header  files  for SVr4 <EM>curses</EM> and other
            implementations use "i" (small i).
 
-           None  of  the terminal descriptions on Unix platforms use uppercase
-           I, except  for  Solaris  (in  its  <EM>terminfo</EM>  entry  for  <STRONG>screen(1)</STRONG>,
-           apparently  based on the X/Open documentation around 1995).  On the
-           other hand, its <STRONG>gs6300</STRONG> (AT&amp;T PC6300 with EMOTS  Terminal  Emulator)
+           None of the terminal descriptions on Unix platforms  use  uppercase
+           I,  except  for  Solaris  (in  its  <EM>terminfo</EM>  entry  for <STRONG>screen(1)</STRONG>,
+           apparently based on the X/Open documentation around 1995).  On  the
+           other  hand,  its <STRONG>gs6300</STRONG> (AT&amp;T PC6300 with EMOTS Terminal Emulator)
            description uses lowercase i.
 
        The <EM>displayed</EM> values of <EM>ACS</EM><STRONG>_</STRONG> constants depend on
 
        <STRONG>o</STRONG>   the  <EM>ncurses</EM>  ABI--for  example,  wide-character  versus  non-wide-
-           character configurations  (the  former  is  capable  of  displaying
+           character  configurations  (the  former  is  capable  of displaying
            Unicode while the latter is not), and
 
        <STRONG>o</STRONG>   whether the locale uses UTF-8 encoding.
 
-       In  certain  cases,  the  terminal  is  unable to display forms-drawing
-       characters  <EM>except</EM>  by  using  UTF-8;  see  the   discussion   of   the
+       In certain cases, the  terminal  is  unable  to  display  forms-drawing
+       characters   <EM>except</EM>   by   using  UTF-8;  see  the  discussion  of  the
        <EM>NCURSES</EM><STRONG>_</STRONG><EM>NO</EM><STRONG>_</STRONG><EM>UTF8</EM><STRONG>_</STRONG><EM>ACS</EM> environment variable in <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>.
 
 
 </PRE><H3><a name="h3-Character-Set">Character Set</a></H3><PRE>
-       X/Open  Curses  assumes  that the parameter passed to <EM>waddch</EM> contains a
-       single character.  That character may have been more  than  eight  bits
-       wide  in  an  SVr3 or SVr4 implementation, but X/Open Curses leaves the
-       width of a non-wide character code unspecified.  The  standard  further
-       does  not specify the internal structure of a <EM>chtype</EM>, though the use of
-       bit operations to combine the character  code  with  attributes  and  a
+       X/Open Curses assumes that the parameter passed to  <EM>waddch</EM>  contains  a
+       single  character.   That  character may have been more than eight bits
+       wide in an SVr3 or SVr4 implementation, but X/Open  Curses  leaves  the
+       width  of  a non-wide character code unspecified.  The standard further
+       does not specify the internal structure of a <EM>chtype</EM>, though the use  of
+       bit  operations  to  combine  the  character code with attributes and a
        color pair identifier into a <EM>chtype</EM> for passage to <EM>waddch</EM> is common.  A
        portable application uses only the macros discussed in <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG> to
        manipulate a <EM>chtype</EM>.
 
        In <EM>ncurses</EM>, <EM>chtype</EM> holds an eight-bit character, but the library allows
-       a multibyte character sequence to be passed via a succession  of  calls
-       to  <EM>waddch</EM>.   Other  implementations  do  not;  a <EM>waddch</EM> call transmits
-       exactly one character, which may be rendered  in  one  or  more  screen
-       locations  depending  on  whether  it  is  printable  (see <STRONG><A HREF="unctrl.3x.html">unctrl(3x)</A></STRONG>).
-       Depending on the locale, <EM>ncurses</EM>  inspects  the  byte  passed  in  each
-       <EM>waddch</EM>  call  and  checks whether the latest call continues a multibyte
-       character.   When  a  character  is  <EM>complete</EM>,  <EM>ncurses</EM>  displays   the
-       character   and  advances  the  cursor.   If  the  calling  application
+       a  multibyte  character sequence to be passed via a succession of calls
+       to <EM>waddch</EM>.  Other implementations  do  not;  a  <EM>waddch</EM>  call  transmits
+       exactly  one  character,  which  may  be rendered in one or more screen
+       locations depending  on  whether  it  is  printable  (see  <STRONG><A HREF="unctrl.3x.html">unctrl(3x)</A></STRONG>).
+       Depending  on  the  locale,  <EM>ncurses</EM>  inspects  the byte passed in each
+       <EM>waddch</EM> call and checks whether the latest call  continues  a  multibyte
+       character.    When  a  character  is  <EM>complete</EM>,  <EM>ncurses</EM>  displays  the
+       character  and  advances  the  cursor.   If  the  calling   application
        interrupts the succession of bytes in a multibyte character sequence by
-       changing  the  current  location--for  example, with <STRONG><A HREF="curs_move.3x.html">wmove(3x)</A></STRONG>--<EM>ncurses</EM>
+       changing the current  location--for  example,  with  <STRONG><A HREF="curs_move.3x.html">wmove(3x)</A></STRONG>--<EM>ncurses</EM>
        discards the incomplete character.
 
        For  portability  to  other  implementations,  do  not  rely  upon  the
-       foregoing  behavior.  Check whether a character can be represented as a
+       foregoing behavior.  Check whether a character can be represented as  a
        single byte in the current locale.
 
        <STRONG>o</STRONG>   If it can, call either <EM>waddch</EM> or <EM>wadd</EM><STRONG>_</STRONG><EM>wch</EM>.
@@ -347,24 +348,24 @@
 </PRE><H2><a name="h2-HISTORY">HISTORY</a></H2><PRE>
        4BSD (1980) introduced <EM>waddch</EM> and its variants.
 
-       SVr3 (1987) added the <EM>echochar</EM> and <EM>wechochar</EM> functions and most of  the
-       <EM>ACS</EM><STRONG>_</STRONG>  constants, except for <EM>ACS</EM><STRONG>_</STRONG><EM>GEQUAL</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>LEQUAL</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>NEQUAL</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>PI</EM>,
+       SVr3  (1987) added the <EM>echochar</EM> and <EM>wechochar</EM> functions and most of the
+       <EM>ACS</EM><STRONG>_</STRONG> constants, except for <EM>ACS</EM><STRONG>_</STRONG><EM>GEQUAL</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>LEQUAL</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>NEQUAL</EM>,  <EM>ACS</EM><STRONG>_</STRONG><EM>PI</EM>,
        <EM>ACS</EM><STRONG>_</STRONG><EM>S3</EM>, <EM>ACS</EM><STRONG>_</STRONG><EM>S7</EM>, and <EM>ACS</EM><STRONG>_</STRONG><EM>STERLING</EM>.
 
        <EM>ncurses</EM> 1.9.6 (1995) furnished the remaining <EM>ACS</EM><STRONG>_</STRONG> constants.
 
 
 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
-       <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG> describes comparable functions of the <EM>ncurses</EM>  library
+       <STRONG><A HREF="curs_add_wch.3x.html">curs_add_wch(3x)</A></STRONG>  describes comparable functions of the <EM>ncurses</EM> library
        in its wide-character configuration (<EM>ncursesw</EM>).
 
        <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>,    <STRONG><A HREF="curs_addchstr.3x.html">curs_addchstr(3x)</A></STRONG>,    <STRONG><A HREF="curs_addstr.3x.html">curs_addstr(3x)</A></STRONG>,    <STRONG><A HREF="curs_attr.3x.html">curs_attr(3x)</A></STRONG>,
-       <STRONG><A HREF="curs_bkgd.3x.html">curs_bkgd(3x)</A></STRONG>,   <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>,    <STRONG><A HREF="curs_inch.3x.html">curs_inch(3x)</A></STRONG>,    <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>,
+       <STRONG><A HREF="curs_bkgd.3x.html">curs_bkgd(3x)</A></STRONG>,    <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>,    <STRONG><A HREF="curs_inch.3x.html">curs_inch(3x)</A></STRONG>,   <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>,
        <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>, <STRONG>putchar(3)</STRONG>
 
 
 
-ncurses 6.5                       2025-03-01                    <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>
+ncurses 6.5                       2025-03-08                    <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>
 </PRE>
 <div class="nav">
 <ul>
Index: doc/html/man/curs_initscr.3x.html
--- ncurses-6.5-20250301+/doc/html/man/curs_initscr.3x.html	2025-03-01 22:03:50.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/curs_initscr.3x.html	2025-03-09 00:55:54.000000000 +0000
@@ -27,19 +27,19 @@
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_initscr.3x,v 1.95 2025/03/01 21:21:41 tom Exp @
+  * @Id: curs_initscr.3x,v 1.100 2025/03/08 23:07:43 tom Exp @
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
-<TITLE>curs_initscr 3x 2025-03-01 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_initscr 3x 2025-03-08 ncurses 6.5 Library calls</TITLE>
 <link rel="author" href="mailto:bug-ncurses@gnu.org">
 
 </HEAD>
 <BODY>
-<H1 class="no-header">curs_initscr 3x 2025-03-01 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_initscr 3x 2025-03-08 ncurses 6.5 Library calls</H1>
 <PRE>
 <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>                 Library calls                <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>
 
@@ -98,8 +98,8 @@
        An application that manages multiple terminals should call <STRONG>newterm</STRONG> once
        for each such device <EM>instead</EM> of <STRONG>initscr</STRONG>.  <STRONG>newterm</STRONG>'s arguments are
 
-       <STRONG>o</STRONG>   the  <EM>type</EM>  of  the  associated  terminal,  or  <EM>NULL</EM> to use the <EM>TERM</EM>
-           environment variable;
+       <STRONG>o</STRONG>   the  <EM>type</EM>  of the associated terminal, or a null pointer to use the
+           <EM>TERM</EM> environment variable;
 
        <STRONG>o</STRONG>   an output stream <EM>outf</EM> connected to the terminal; and
 
@@ -170,7 +170,8 @@
 
 
 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
-       <STRONG>endwin</STRONG> returns <STRONG>OK</STRONG> on success and <STRONG>ERR</STRONG> on failure.
+       <STRONG>delscreen</STRONG>  returns  no  value.  <STRONG>endwin</STRONG> returns <STRONG>OK</STRONG> on success and <STRONG>ERR</STRONG> on
+       failure.  <STRONG>isendwin</STRONG> returns <STRONG>TRUE</STRONG> or <STRONG>FALSE</STRONG> as described above.
 
        In <EM>ncurses</EM>,
 
@@ -178,64 +179,64 @@
 
            <STRONG>o</STRONG>   the terminal was not initialized,
 
-           <STRONG>o</STRONG>   <STRONG>endwin</STRONG> is called more than once without updating the screen, or
+           <STRONG>o</STRONG>   it is called more than once without updating the screen, or
 
-           <STRONG>o</STRONG>   <STRONG><A HREF="curs_kernel.3x.html">reset_shell_mode(3x)</A></STRONG> returns <STRONG>ERR</STRONG>.
+           <STRONG>o</STRONG>   its call of <STRONG><A HREF="curs_kernel.3x.html">reset_shell_mode(3x)</A></STRONG> returns <STRONG>ERR</STRONG>.
 
-       <STRONG>o</STRONG>   <STRONG>newterm</STRONG>  returns  <STRONG>ERR</STRONG>  if it cannot allocate storage for the <EM>SCREEN</EM>
-           data structure or the top-level windows  thereof:  <STRONG>curscr</STRONG>,  <STRONG>newscr</STRONG>,
-           and <STRONG>stdscr</STRONG>.
+       <STRONG>o</STRONG>   <STRONG>newterm</STRONG> returns <STRONG>ERR</STRONG> if it cannot allocate storage  for  the  <EM>SCREEN</EM>
+           structure  or  the  <EM>WINDOW</EM> structures automatically associated with
+           it: <STRONG>curscr</STRONG>, <STRONG>newscr</STRONG>, and <STRONG>stdscr</STRONG>.
 
-       Functions  that  return  pointers  return  <EM>NULL</EM>  on error.  In <EM>ncurses</EM>,
-       <STRONG>set_term</STRONG> does not fail, and <STRONG>initscr</STRONG> exits the application  if  it  does
-       not operate successfully.
+       Functions that return pointers  return  null  pointers  on  error.   In
+       <EM>ncurses</EM>,  <STRONG>set_term</STRONG>  does not fail, and <STRONG>initscr</STRONG> exits the application if
+       it does not operate successfully.
 
 
 </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
-       <EM>ncurses</EM>  establishes signal handlers when a function that initializes a
-       <EM>SCREEN</EM>, either <STRONG>initscr</STRONG> or <STRONG>newterm</STRONG>, is first called.  Applications  that
-       wish  to  handle  the  following signals themselves should set up their
+       <EM>ncurses</EM> establishes signal handlers when a function that initializes  a
+       <EM>SCREEN</EM>,  either <STRONG>initscr</STRONG> or <STRONG>newterm</STRONG>, is first called.  Applications that
+       wish to handle the following signals themselves  should  set  up  their
        corresponding handlers <EM>after</EM> initializing the screen.
 
-       <EM>SIGINT</EM> <EM>ncurses</EM>'s handler <EM>attempts</EM> to  clean  up  the  screen  on  exit.
+       <EM>SIGINT</EM> <EM>ncurses</EM>'s  handler  <EM>attempts</EM>  to  clean  up  the screen on exit.
               Although it <EM>usually</EM> works as expected, there are limitations.
 
               <STRONG>o</STRONG>   Walking the <EM>SCREEN</EM> list is unsafe, since all list management
                   is done without any signal blocking.
 
               <STRONG>o</STRONG>   When an application has been built with the <STRONG>_</STRONG><EM>REENTRANT</EM> macro
-                  defined  (and  corresponding  system support), <STRONG>set_term</STRONG> uses
+                  defined (and corresponding system  support),  <STRONG>set_term</STRONG>  uses
                   functions that could deadlock or misbehave in other ways.
 
-              <STRONG>o</STRONG>   <STRONG>endwin</STRONG> calls other functions, many of which use <STRONG>stdio(3)</STRONG>  or
+              <STRONG>o</STRONG>   <STRONG>endwin</STRONG>  calls other functions, many of which use <STRONG>stdio(3)</STRONG> or
                   other library functions that are clearly unsafe.
 
        <EM>SIGTERM</EM>
-              <EM>ncurses</EM>  uses  the  same  handler  as  for <EM>SIGINT</EM>, with the same
-              limitations.  It is not mentioned in X/Open Curses, but is  more
-              suitable  for  this  purpose  than  <EM>SIGQUIT</EM>  (which  is  used in
+              <EM>ncurses</EM> uses the same handler  as  for  <EM>SIGINT</EM>,  with  the  same
+              limitations.   It is not mentioned in X/Open Curses, but is more
+              suitable for  this  purpose  than  <EM>SIGQUIT</EM>  (which  is  used  in
               debugging).
 
        <EM>SIGTSTP</EM>
-              <EM>ncurses</EM>'s handler manages the  terminal-generated  stop  signal,
+              <EM>ncurses</EM>'s  handler  manages  the terminal-generated stop signal,
               used  in  job  control.   When  resuming  the  process,  <EM>ncurses</EM>
               discards  pending  input  with  <STRONG><A HREF="curs_util.3x.html">flushinp(3x)</A></STRONG>  and  repaints  the
-              screen,  assuming  that it has been completely altered.  It also
+              screen, assuming that it has been completely altered.   It  also
               updates the saved terminal modes with <STRONG><A HREF="curs_kernel.3x.html">def_shell_mode(3x)</A></STRONG>.
 
        <EM>SIGWINCH</EM>
               <EM>ncurses</EM>  handles  changes  to  the  terminal's  window  size,  a
               phenomenon  ignored  in  standardization  efforts.   It  sets  a
-              (signal-safe) variable that is later tested  by  <STRONG><A HREF="curs_getch.3x.html">wgetch(3x)</A></STRONG>  and
+              (signal-safe)  variable  that  is later tested by <STRONG><A HREF="curs_getch.3x.html">wgetch(3x)</A></STRONG> and
               <STRONG><A HREF="curs_get_wch.3x.html">wget_wch(3x)</A></STRONG>.
 
               <STRONG>o</STRONG>   <STRONG>wgetch</STRONG> returns the key code <STRONG>KEY_RESIZE</STRONG>.
 
-              <STRONG>o</STRONG>   <STRONG>wget_wch</STRONG>  returns <STRONG>KEY_CODE_YES</STRONG> and sets its <EM>wch</EM> parameter to
+              <STRONG>o</STRONG>   <STRONG>wget_wch</STRONG> returns <STRONG>KEY_CODE_YES</STRONG> and sets its <EM>wch</EM> parameter  to
                   <STRONG>KEY_RESIZE</STRONG>.
 
-              At the same time, <EM>ncurses</EM> calls  <STRONG><A HREF="resizeterm.3x.html">resizeterm(3x)</A></STRONG>  to  adjust  the
-              standard  screen  <STRONG>stdscr</STRONG>,  and  update  global variables such as
+              At  the  same  time,  <EM>ncurses</EM> calls <STRONG><A HREF="resizeterm.3x.html">resizeterm(3x)</A></STRONG> to adjust the
+              standard screen <STRONG>stdscr</STRONG>, and  update  global  variables  such  as
               <STRONG>LINES</STRONG> and <STRONG>COLS</STRONG>.
 
 
@@ -245,79 +246,79 @@
 
 
 </PRE><H3><a name="h3-Differences">Differences</a></H3><PRE>
-       X/Open  Curses  specifies  that  portable  applications  must  not call
+       X/Open Curses  specifies  that  portable  applications  must  not  call
        <EM>initscr</EM> more than once.
 
-       <STRONG>o</STRONG>   The portable way to use <EM>initscr</EM> is  once  only,  using  <EM>refresh</EM>  to
+       <STRONG>o</STRONG>   The  portable  way  to  use  <EM>initscr</EM> is once only, using <EM>refresh</EM> to
            restore the screen after <EM>endwin</EM>.
 
        <STRONG>o</STRONG>   <EM>ncurses</EM> permits use of <EM>initscr</EM> after <EM>endwin</EM>.
 
-       <EM>initscr</EM>  in  BSD,  from  its inception (1980) through the Net/2 release
-       (1991) returned <EM>ERR</EM> cast to a <EM>WINDOW</EM> pointer when detecting  an  error.
-       4.4BSD  (1995)  instead  returned  a  null pointer.  Neither exited the
-       application.  It is safe but redundant to check  the  return  value  of
+       <EM>initscr</EM> in BSD, from its inception (1980)  through  the  Net/2  release
+       (1991)  returned  <EM>ERR</EM> cast to a <EM>WINDOW</EM> pointer when detecting an error.
+       4.4BSD (1995) instead returned a  null  pointer.   Neither  exited  the
+       application.   It  is  safe  but redundant to check the return value of
        <EM>initscr</EM> in X/Open Curses.
 
-       Calling  <EM>endwin</EM>  does not dispose of the memory allocated by <EM>initscr</EM> or
+       Calling <EM>endwin</EM> does not dispose of the memory allocated by  <EM>initscr</EM>  or
        <EM>newterm</EM>.  Deleting a <EM>SCREEN</EM> provides a way to do this.
 
-       <STRONG>o</STRONG>   X/Open Curses does not say what happens to <EM>WINDOW</EM>s  when  <EM>delscreen</EM>
-           "frees  storage  associated  with  the  <EM>SCREEN</EM>"  nor  does the SVr4
+       <STRONG>o</STRONG>   X/Open  Curses  does not say what happens to <EM>WINDOW</EM>s when <EM>delscreen</EM>
+           "frees storage associated  with  the  <EM>SCREEN</EM>"  nor  does  the  SVr4
            documentation help, adding that it should be called after <EM>endwin</EM> if
            a <EM>SCREEN</EM> is no longer needed.
 
-       <STRONG>o</STRONG>   However,  <EM>WINDOW</EM>s are implicitly associated with a <EM>SCREEN</EM>, so it is
+       <STRONG>o</STRONG>   However, <EM>WINDOW</EM>s are implicitly associated with a <EM>SCREEN</EM>, so it  is
            reasonable to expect <EM>delscreen</EM> to dispose of them.
 
-       <STRONG>o</STRONG>   SVr4 deletes the standard <EM>WINDOW</EM> structures <EM>stdscr</EM>  and  <EM>curscr</EM>  as
+       <STRONG>o</STRONG>   SVr4  deletes  the  standard <EM>WINDOW</EM> structures <EM>stdscr</EM> and <EM>curscr</EM> as
            well as a work area <EM>newscr</EM>.  It ignores other windows.
 
-       <STRONG>o</STRONG>   Since  version  4.0  (1996),  <EM>ncurses</EM>  has maintained a list of all
-           windows for each screen, using that  information  to  delete  those
+       <STRONG>o</STRONG>   Since version 4.0 (1996), <EM>ncurses</EM> has  maintained  a  list  of  all
+           windows  for  each  screen,  using that information to delete those
            windows when <EM>delscreen</EM> is called.
 
-       <STRONG>o</STRONG>   NetBSD  copied  this  feature of <EM>ncurses</EM> in 2001.  <EM>PDCurses</EM> follows
+       <STRONG>o</STRONG>   NetBSD copied this feature of <EM>ncurses</EM> in  2001.   <EM>PDCurses</EM>  follows
            the SVr4 model, deleting only the standard <EM>WINDOW</EM> structures.
 
 
 </PRE><H3><a name="h3-High-level-versus-Low-level">High-level versus Low-level</a></H3><PRE>
-       Different implementations may disagree  regarding  the  level  of  some
-       functions.   For  example,  <EM>SCREEN</EM>  (returned  by <EM>newterm</EM>) and <EM>TERMINAL</EM>
-       (returned by  <STRONG><A HREF="curs_terminfo.3x.html">setupterm(3x)</A></STRONG>)  hold  file  descriptors  for  the  output
+       Different  implementations  may  disagree  regarding  the level of some
+       functions.  For example, <EM>SCREEN</EM>  (returned  by  <EM>newterm</EM>)  and  <EM>TERMINAL</EM>
+       (returned  by  <STRONG><A HREF="curs_terminfo.3x.html">setupterm(3x)</A></STRONG>)  hold  file  descriptors  for  the output
        stream.  If an application switches screens using <EM>set</EM><STRONG>_</STRONG><EM>term</EM>, or switches
        terminals using <STRONG><A HREF="curs_terminfo.3x.html">set_curterm(3x)</A></STRONG>, applications which use the output file
-       descriptor  can  have  different  behavior depending on which structure
+       descriptor can have different behavior  depending  on  which  structure
        holds the corresponding descriptor.
 
-       <STRONG>o</STRONG>   NetBSD's  <EM>baudrate</EM>  function  uses  the  descriptor  in   <EM>TERMINAL</EM>.
+       <STRONG>o</STRONG>   NetBSD's   <EM>baudrate</EM>  function  uses  the  descriptor  in  <EM>TERMINAL</EM>.
            <EM>ncurses</EM> and SVr4 use the descriptor in <EM>SCREEN</EM>.
 
-       <STRONG>o</STRONG>   NetBSD  and <EM>ncurses</EM> use the descriptor in <EM>TERMINAL</EM> for terminal I/O
-           modes, e.g., <STRONG><A HREF="curs_kernel.3x.html">def_shell_mode(3x)</A></STRONG>, <STRONG><A HREF="curs_kernel.3x.html">def_prog_mode(3x)</A></STRONG>.  SVr4 uses  the
+       <STRONG>o</STRONG>   NetBSD and <EM>ncurses</EM> use the descriptor in <EM>TERMINAL</EM> for terminal  I/O
+           modes,  e.g., <STRONG><A HREF="curs_kernel.3x.html">def_shell_mode(3x)</A></STRONG>, <STRONG><A HREF="curs_kernel.3x.html">def_prog_mode(3x)</A></STRONG>.  SVr4 uses the
            descriptor in <EM>SCREEN</EM>.
 
    <STRONG>Unset</STRONG> <EM>TERM</EM> <STRONG>Environment</STRONG> <STRONG>Variable</STRONG>
-       If  the  <EM>TERM</EM>  variable  is  not set in the environment or has an empty
-       value, <EM>initscr</EM> uses the value "unknown", which normally corresponds  to
+       If the <EM>TERM</EM> variable is not set in the  environment  or  has  an  empty
+       value,  <EM>initscr</EM> uses the value "unknown", which normally corresponds to
        a terminal entry with the <STRONG>generic</STRONG> (<STRONG>gn</STRONG>) capability.  Generic entries are
        detected by <STRONG><A HREF="curs_terminfo.3x.html">setupterm(3x)</A></STRONG> and cannot be used for full-screen operation.
-       Other  implementations  may  handle  a  missing  or empty <EM>TERM</EM> variable
+       Other implementations may handle  a  missing  or  empty  <EM>TERM</EM>  variable
        differently.
 
 
 </PRE><H3><a name="h3-Signal-Handlers">Signal Handlers</a></H3><PRE>
        Quoting X/Open Curses Issue 7, section 3.1.1:
 
-            Curses implementations may provide for  special  handling  of  the
-            SIGINT,  SIGQUIT,  and  SIGTSTP  signals  if  their disposition is
+            Curses  implementations  may  provide  for special handling of the
+            SIGINT, SIGQUIT, and  SIGTSTP  signals  if  their  disposition  is
             SIG_DFL at the time <EM>initscr</EM>() is called...
 
-            Any special handling for these signals may remain  in  effect  for
+            Any  special  handling  for these signals may remain in effect for
             the  life  of  the  process  or  until  the  process  changes  the
             disposition of the signal.
 
-            None of the Curses functions are required to be safe with  respect
+            None  of the Curses functions are required to be safe with respect
             to signals...
 
        Section "NOTES" above discusses <EM>ncurses</EM>'s signal handlers.
@@ -332,12 +333,12 @@
 
 
 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
-       <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>,     <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>,     <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>,    <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>,
+       <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>,    <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>,     <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>,     <STRONG><A HREF="curs_slk.3x.html">curs_slk(3x)</A></STRONG>,
        <STRONG><A HREF="curs_terminfo.3x.html">curs_terminfo(3x)</A></STRONG>, <STRONG><A HREF="curs_util.3x.html">curs_util(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>
 
 
 
-ncurses 6.5                       2025-03-01                  <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>
+ncurses 6.5                       2025-03-08                  <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>
 </PRE>
 <div class="nav">
 <ul>
Index: doc/html/man/curs_inopts.3x.html
--- ncurses-6.5-20250301+/doc/html/man/curs_inopts.3x.html	2025-03-01 22:03:51.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/curs_inopts.3x.html	2025-03-09 00:55:54.000000000 +0000
@@ -28,19 +28,19 @@
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_inopts.3x,v 1.96 2025/03/01 21:23:21 tom Exp @
+  * @Id: curs_inopts.3x,v 1.100 2025/03/08 23:09:30 tom Exp @
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
-<TITLE>curs_inopts 3x 2025-03-01 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_inopts 3x 2025-03-08 ncurses 6.5 Library calls</TITLE>
 <link rel="author" href="mailto:bug-ncurses@gnu.org">
 
 </HEAD>
 <BODY>
-<H1 class="no-header">curs_inopts 3x 2025-03-01 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_inopts 3x 2025-03-08 ncurses 6.5 Library calls</H1>
 <PRE>
 <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>                  Library calls                 <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>
 
@@ -153,15 +153,19 @@
 
 </PRE><H3><a name="h3-keypad">keypad</a></H3><PRE>
        <STRONG>keypad</STRONG> enables recognition of a terminal's function keys.   If  enabled
-       (<EM>bf</EM>  is  <STRONG>TRUE</STRONG>),  the  input  character reading function returns a value
-       representing the function key, such as <STRONG>KEY_LEFT</STRONG>.   (Wide-character  API
-       users:  <STRONG><A HREF="curs_get_wch.3x.html">wget_wch(3x)</A></STRONG>  returns <STRONG>KEY_CODE_YES</STRONG> to indicate the availability
-       of a function key code in its  <EM>wch</EM>  parameter.)   If  disabled  (<EM>bf</EM>  is
-       <STRONG>FALSE</STRONG>),  <EM>curses</EM>  does not treat function keys specially and the program
-       has to interpret escape sequences itself.  If the terminal's keypad can
-       be  turned on (made to transmit) and off (made to work locally), <STRONG>keypad</STRONG>
-       configures it consistently  with  the  <EM>bf</EM>  parameter.   By  default,  a
-       window's keypad mode is off.
+       (<EM>bf</EM>  is  <STRONG>TRUE</STRONG>) then when an input character reading function reads ESC,
+       it waits for further input corresponding to an escape sequence  defined
+       by  the terminal type description.  If a valid sequence is entered, the
+       input character reading  function  returns  a  value  representing  the
+       function   key,   such   as   <STRONG>KEY_LEFT</STRONG>.    (Wide-character  API  users:
+       <STRONG><A HREF="curs_get_wch.3x.html">wget_wch(3x)</A></STRONG> returns <STRONG>KEY_CODE_YES</STRONG> to indicate  the  availability  of  a
+       function  key  code in its <EM>wch</EM> parameter.)  If the sequence is invalid,
+       the input character reading function returns only its  last  character.
+       If  disabled  (<EM>bf</EM>  is  <STRONG>FALSE</STRONG>),  <EM>curses</EM>  does  not  treat  function keys
+       specially and the program has to interpret escape sequences itself.  If
+       the terminal's keypad can be turned on (made to transmit) and off (made
+       to work  locally),  <STRONG>keypad</STRONG>  configures  it  consistently  with  the  <EM>bf</EM>
+       parameter.  By default, a window's keypad mode is off.
 
 
 </PRE><H3><a name="h3-meta">meta</a></H3><PRE>
@@ -198,8 +202,10 @@
        sets  a  timer  while  waiting  for the next character.  <STRONG>notimeout(</STRONG><EM>win</EM><STRONG>,</STRONG>
        <STRONG>TRUE)</STRONG>  disables  this  timer.   The  purpose  of  the  timeout  is   to
        distinguish  sequences produced by a function key from those typed by a
-       user.  To configure the timeout rather than disabling it, see  <STRONG>wtimeout</STRONG>
-       below.
+       user.  If this timer is disabled, <EM>curses</EM> waits forever  for  subsequent
+       keystrokes  until  it  determines  the  escape  sequence to be valid or
+       invalid.  To configure the timeout duration rather than  disabling  it,
+       see <STRONG>wtimeout</STRONG> below.
 
 
 </PRE><H3><a name="h3-qiflush_noqiflush">qiflush, noqiflush</a></H3><PRE>
@@ -243,8 +249,8 @@
 
 </PRE><H3><a name="h3-typeahead">typeahead</a></H3><PRE>
        Normally, a <EM>curses</EM> library checks the terminal's input file  descriptor
-       for  pending input with <STRONG>poll(2)</STRONG> or <STRONG>select(2)</STRONG> while updating the screen;
-       if it finds any, it postpones output until  the  next  <STRONG><A HREF="curs_refresh.3x.html">wrefresh(3x)</A></STRONG>  or
+       for activity with <STRONG>poll(2)</STRONG> or <STRONG>select(2)</STRONG> while updating the screen; if it
+       finds  any,  it  postpones  output  until  the  next  <STRONG><A HREF="curs_refresh.3x.html">wrefresh(3x)</A></STRONG>   or
        <STRONG><A HREF="curs_refresh.3x.html">doupdate(3x)</A></STRONG>  call,  allowing faster response to user key strokes.  The
        library tests the file descriptor  corresponding  to  the  <EM>FILE</EM>  stream
        pointer passed to <STRONG><A HREF="curs_initscr.3x.html">newterm(3x)</A></STRONG> (or <EM>stdin</EM> if <STRONG><A HREF="curs_initscr.3x.html">initscr(3x)</A></STRONG> was called), for
@@ -285,15 +291,17 @@
 
        <EM>curses</EM>  documentation  uses  the  terms "delay" and "timeout" freely to
        describe two related but distinct aspects of  input  handling,  at  the
-       risk   of  confusing  the  user.   The  functions  <STRONG>halfdelay</STRONG>,  <STRONG>nodelay</STRONG>,
-       <STRONG>notimeout</STRONG>, <STRONG>timeout</STRONG>,  and  <STRONG>wtimeout</STRONG>  all  configure  whether  the  input
-       character   reading  function  (<STRONG><A HREF="curs_getch.3x.html">getch(3x)</A></STRONG>  or  <STRONG><A HREF="curs_get_wch.3x.html">get_wch(3x)</A></STRONG>)  waits  for
-       keyboard input, and for how long.  Only <STRONG>keypad</STRONG> configures whether  that
-       function  waits  for  further  input if the first character it reads is
-       ESC.  X/Open Curses affords no means of configuring the length of  this
-       second  delay, but an AIX and <EM>ncurses</EM> extension, <STRONG>ESCDELAY</STRONG>, is available
-       both as an environment variable and  a  global  symbol  permitting  the
-       application to do so; see <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG> and <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>.
+       risk of confusing the user.  The functions <STRONG>halfdelay</STRONG>, <STRONG>nodelay</STRONG>, <STRONG>timeout</STRONG>,
+       and <STRONG>wtimeout</STRONG> configure whether the  input  character  reading  function
+       (<STRONG><A HREF="curs_getch.3x.html">getch(3x)</A></STRONG>  or  <STRONG><A HREF="curs_get_wch.3x.html">get_wch(3x)</A></STRONG>) waits for keyboard input to begin, and for
+       how long.  <STRONG>keypad</STRONG> configures whether that function  waits  for  further
+       input if the first character it reads is ESC.  Calling <STRONG>notimeout</STRONG>, which
+       has nothing to do  with  <STRONG>timeout</STRONG>  or  <STRONG>wtimeout</STRONG>,  makes  this  delay  in
+       expectation  of further keystrokes effectively infinite.  X/Open Curses
+       affords no means of otherwise configuring the  length  of  this  second
+       delay, but an AIX and <EM>ncurses</EM> extension, <STRONG>ESCDELAY</STRONG>, is available both as
+       an environment variable and a global symbol permitting the  application
+       to do so; see <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG> and <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>.
 
 
 </PRE><H2><a name="h2-EXTENSIONS">EXTENSIONS</a></H2><PRE>
@@ -401,7 +409,7 @@
 
 
 
-ncurses 6.5                       2025-03-01                   <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>
+ncurses 6.5                       2025-03-08                   <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>
 </PRE>
 <div class="nav">
 <ul>
Index: doc/html/man/curs_ins_wch.3x.html
--- ncurses-6.5-20250301+/doc/html/man/curs_ins_wch.3x.html	2025-03-01 22:03:51.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/curs_ins_wch.3x.html	2025-03-09 00:55:54.000000000 +0000
@@ -27,19 +27,19 @@
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_ins_wch.3x,v 1.48 2025/03/01 21:25:47 tom Exp @
+  * @Id: curs_ins_wch.3x,v 1.50 2025/03/08 23:10:02 tom Exp @
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
-<TITLE>curs_ins_wch 3x 2025-03-01 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_ins_wch 3x 2025-03-08 ncurses 6.5 Library calls</TITLE>
 <link rel="author" href="mailto:bug-ncurses@gnu.org">
 
 </HEAD>
 <BODY>
-<H1 class="no-header">curs_ins_wch 3x 2025-03-01 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_ins_wch 3x 2025-03-08 ncurses 6.5 Library calls</H1>
 <PRE>
 <STRONG><A HREF="curs_ins_wch.3x.html">curs_ins_wch(3x)</A></STRONG>                 Library calls                <STRONG><A HREF="curs_ins_wch.3x.html">curs_ins_wch(3x)</A></STRONG>
 
@@ -75,7 +75,7 @@
 
        In <EM>ncurses</EM>, they return <STRONG>ERR</STRONG> if
 
-       <STRONG>o</STRONG>   the <EM>curses</EM> screen has not been initialized, and
+       <STRONG>o</STRONG>   the <EM>curses</EM> screen has not been initialized, or
 
        <STRONG>o</STRONG>   (for  functions  taking  a  <EM>WINDOW</EM>  pointer argument) <EM>win</EM> is a null
            pointer.
@@ -113,7 +113,7 @@
 
 
 
-ncurses 6.5                       2025-03-01                  <STRONG><A HREF="curs_ins_wch.3x.html">curs_ins_wch(3x)</A></STRONG>
+ncurses 6.5                       2025-03-08                  <STRONG><A HREF="curs_ins_wch.3x.html">curs_ins_wch(3x)</A></STRONG>
 </PRE>
 <div class="nav">
 <ul>
Index: doc/html/man/curs_insch.3x.html
--- ncurses-6.5-20250301+/doc/html/man/curs_insch.3x.html	2025-03-01 22:03:51.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/curs_insch.3x.html	2025-03-09 00:55:54.000000000 +0000
@@ -27,19 +27,19 @@
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_insch.3x,v 1.54 2025/03/01 21:26:42 tom Exp @
+  * @Id: curs_insch.3x,v 1.56 2025/03/08 23:10:02 tom Exp @
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
-<TITLE>curs_insch 3x 2025-03-01 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_insch 3x 2025-03-08 ncurses 6.5 Library calls</TITLE>
 <link rel="author" href="mailto:bug-ncurses@gnu.org">
 
 </HEAD>
 <BODY>
-<H1 class="no-header">curs_insch 3x 2025-03-01 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_insch 3x 2025-03-08 ncurses 6.5 Library calls</H1>
 <PRE>
 <STRONG><A HREF="curs_insch.3x.html">curs_insch(3x)</A></STRONG>                   Library calls                  <STRONG><A HREF="curs_insch.3x.html">curs_insch(3x)</A></STRONG>
 
@@ -73,7 +73,7 @@
 
        In <EM>ncurses</EM>, they return <STRONG>ERR</STRONG> if
 
-       <STRONG>o</STRONG>   the <EM>curses</EM> screen has not been initialized, and
+       <STRONG>o</STRONG>   the <EM>curses</EM> screen has not been initialized, or
 
        <STRONG>o</STRONG>   (for functions taking a <EM>WINDOW</EM> pointer  argument)  <EM>win</EM>  is  a  null
            pointer.
@@ -109,7 +109,7 @@
 
 
 
-ncurses 6.5                       2025-03-01                    <STRONG><A HREF="curs_insch.3x.html">curs_insch(3x)</A></STRONG>
+ncurses 6.5                       2025-03-08                    <STRONG><A HREF="curs_insch.3x.html">curs_insch(3x)</A></STRONG>
 </PRE>
 <div class="nav">
 <ul>
Index: doc/html/man/curs_kernel.3x.html
--- ncurses-6.5-20250301+/doc/html/man/curs_kernel.3x.html	2025-03-01 22:03:51.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/curs_kernel.3x.html	2025-03-09 00:55:54.000000000 +0000
@@ -27,19 +27,19 @@
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_kernel.3x,v 1.80 2025/03/01 21:31:35 tom Exp @
+  * @Id: curs_kernel.3x,v 1.84 2025/03/08 23:17:33 tom Exp @
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
-<TITLE>curs_kernel 3x 2025-03-01 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_kernel 3x 2025-03-08 ncurses 6.5 Library calls</TITLE>
 <link rel="author" href="mailto:bug-ncurses@gnu.org">
 
 </HEAD>
 <BODY>
-<H1 class="no-header">curs_kernel 3x 2025-03-01 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_kernel 3x 2025-03-08 ncurses 6.5 Library calls</H1>
 <PRE>
 <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>                  Library calls                 <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>
 
@@ -155,14 +155,14 @@
 </PRE><H3><a name="h3-ripoffline">ripoffline</a></H3><PRE>
        <STRONG>ripoffline</STRONG> provides access to the same facility that <STRONG><A HREF="curs_slk.3x.html">slk_init(3x)</A></STRONG>  uses
        to reduce the size of the screen.  The application must call <STRONG>ripoffline</STRONG>
-       before <STRONG><A HREF="curs_initscr.3x.html">initscr(3x)</A></STRONG> or <STRONG><A HREF="curs_initscr.3x.html">newterm(3x)</A></STRONG>  so  that  the  functions  prepare  a
-       <STRONG>stdscr</STRONG> of the correct size.
+       before <STRONG><A HREF="curs_initscr.3x.html">initscr(3x)</A></STRONG> or <STRONG><A HREF="curs_initscr.3x.html">newterm(3x)</A></STRONG> so that the latter functions  prepare
+       a <STRONG>stdscr</STRONG> of the correct size.
 
-       <STRONG>o</STRONG>   If  <EM>line</EM>  is  positive,  <STRONG>ripoffline</STRONG>  removes a line from the top of
-           <STRONG>stdscr</STRONG>.
+       <STRONG>o</STRONG>   If <EM>line</EM> is positive, <STRONG>ripoffline</STRONG> removes a line from the top of what
+           will become <STRONG>stdscr</STRONG>.
 
        <STRONG>o</STRONG>   If <EM>line</EM> is negative, <STRONG>ripoffline</STRONG> removes a line from the  bottom  of
-           <STRONG>stdscr</STRONG>.
+           what will become <STRONG>stdscr</STRONG>.
 
        When <STRONG>initscr</STRONG> initializes <EM>curses</EM>, it calls the <EM>init</EM> function supplied to
        <STRONG>ripoffline</STRONG> by the application with two arguments:
@@ -212,6 +212,16 @@
        There is no way for <EM>ncurses</EM> to determine the initial cursor  visibility
        to restore it.
 
+       While  the <EM>init</EM> function called by <STRONG>ripoffline</STRONG> is specified to return an
+       <EM>int</EM>, <EM>ncurses</EM> pays no attention to its return value.
+
+       If <STRONG>ripoffline</STRONG> cannot allocate memory for the required <EM>WINDOW</EM>  structure
+       backing  the  ripped-off  line,  it stores a null pointer to the <EM>WINDOW</EM>
+       pointer  argument  supplied  by  the  <EM>init</EM>  function  the   application
+       specifies.  The application must check this argument for validity after
+       calling <STRONG>initscr</STRONG> and prior  to  performing  <EM>curses</EM>  operations  on  that
+       window.
+
 
 </PRE><H2><a name="h2-EXTENSIONS">EXTENSIONS</a></H2><PRE>
        In  <EM>ncurses</EM>, <STRONG>mvcur</STRONG> accepts <STRONG>-1</STRONG> for either or both old coordinates.  This
@@ -267,7 +277,7 @@
 
 
 
-ncurses 6.5                       2025-03-01                   <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>
+ncurses 6.5                       2025-03-08                   <STRONG><A HREF="curs_kernel.3x.html">curs_kernel(3x)</A></STRONG>
 </PRE>
 <div class="nav">
 <ul>
Index: doc/html/man/curs_move.3x.html
--- ncurses-6.5-20250301+/doc/html/man/curs_move.3x.html	2025-03-01 22:03:51.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/curs_move.3x.html	2025-03-09 00:55:54.000000000 +0000
@@ -27,19 +27,19 @@
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_move.3x,v 1.59 2025/03/01 21:34:10 tom Exp @
+  * @Id: curs_move.3x,v 1.61 2025/03/08 23:18:46 tom Exp @
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
-<TITLE>curs_move 3x 2025-03-01 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_move 3x 2025-03-08 ncurses 6.5 Library calls</TITLE>
 <link rel="author" href="mailto:bug-ncurses@gnu.org">
 
 </HEAD>
 <BODY>
-<H1 class="no-header">curs_move 3x 2025-03-01 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_move 3x 2025-03-08 ncurses 6.5 Library calls</H1>
 <PRE>
 <STRONG><A HREF="curs_move.3x.html">curs_move(3x)</A></STRONG>                    Library calls                   <STRONG><A HREF="curs_move.3x.html">curs_move(3x)</A></STRONG>
 
@@ -86,7 +86,7 @@
 
 
 </PRE><H2><a name="h2-HISTORY">HISTORY</a></H2><PRE>
-       4BSD (1980) introduced <EM>move</EM> and <EM>wmove</EM>.
+       4BSD (1980) introduced these functions.
 
 
 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
@@ -94,7 +94,7 @@
 
 
 
-ncurses 6.5                       2025-03-01                     <STRONG><A HREF="curs_move.3x.html">curs_move(3x)</A></STRONG>
+ncurses 6.5                       2025-03-08                     <STRONG><A HREF="curs_move.3x.html">curs_move(3x)</A></STRONG>
 </PRE>
 <div class="nav">
 <ul>
Index: doc/html/man/curs_outopts.3x.html
--- ncurses-6.5-20250301+/doc/html/man/curs_outopts.3x.html	2025-03-01 22:03:51.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/curs_outopts.3x.html	2025-03-09 00:55:54.000000000 +0000
@@ -27,19 +27,19 @@
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_outopts.3x,v 1.89 2025/03/01 21:42:22 tom Exp @
+  * @Id: curs_outopts.3x,v 1.91 2025/03/08 23:19:30 tom Exp @
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
 <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
 <meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
-<TITLE>curs_outopts 3x 2025-03-01 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_outopts 3x 2025-03-08 ncurses 6.5 Library calls</TITLE>
 <link rel="author" href="mailto:bug-ncurses@gnu.org">
 
 </HEAD>
 <BODY>
-<H1 class="no-header">curs_outopts 3x 2025-03-01 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_outopts 3x 2025-03-08 ncurses 6.5 Library calls</H1>
 <PRE>
 <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>                 Library calls                <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>
 
@@ -100,66 +100,67 @@
 
 
 </PRE><H3><a name="h3-immedok">immedok</a></H3><PRE>
-       If <STRONG>immedok</STRONG> is called with <STRONG>TRUE</STRONG> as second argument, any  change  in  the
-       window  image,  such  as  the  ones caused by <STRONG>waddch</STRONG>, <STRONG>wclrtobot</STRONG>, <STRONG>wscrl</STRONG>,
-       etc., automatically causes a call to <STRONG>wrefresh</STRONG>.  However, it may degrade
-       performance  considerably,  due to repeated calls to <STRONG>wrefresh</STRONG>.  Calling
-       <STRONG>immedok</STRONG> with <STRONG>FALSE</STRONG> as second argument restores  the  default  behavior,
-       i.e., deferring screen updates until a refresh is needed.
+       If <STRONG>immedok</STRONG> is called with <STRONG>TRUE</STRONG>  as  second  argument,  changes  to  the
+       window  image,  such  as  those  caused by <STRONG>waddch</STRONG>, <STRONG>wclrtobot</STRONG>, or <STRONG>wscrl</STRONG>,
+       automatically cause a call to <STRONG>wrefresh</STRONG>.  However, doing so may  degrade
+       performance  considerably  when many such calls occur.  Calling <STRONG>immedok</STRONG>
+       with <STRONG>FALSE</STRONG> as second argument restores the default behavior,  deferring
+       screen  updates until a refresh is needed or explicitly directed by the
+       application.
 
 
 </PRE><H3><a name="h3-leaveok">leaveok</a></H3><PRE>
-       Normally,  the  hardware  cursor  is left at the location of the window
-       cursor being refreshed.  The <STRONG>leaveok</STRONG> option allows  the  cursor  to  be
-       left  wherever  the  update  happens  to  leave  it.   It is useful for
-       applications where the cursor is not used, since it  reduces  the  need
+       Normally, the hardware cursor is left at the  location  of  the  window
+       cursor  being  refreshed.   The  <STRONG>leaveok</STRONG> option allows the cursor to be
+       left wherever the update  happens  to  leave  it.   It  is  useful  for
+       applications  where  the  cursor is not used, since it reduces the need
        for cursor motions.
 
 
 </PRE><H3><a name="h3-scrollok">scrollok</a></H3><PRE>
-       The  <STRONG>scrollok</STRONG>  option controls what happens when the cursor of a window
-       is moved off the edge of the window or scrolling region,  either  as  a
-       result  of  a  newline  action  on  the bottom line, or typing the last
-       character of the last line.  If disabled, (<EM>bf</EM> is <STRONG>FALSE</STRONG>), the cursor  is
-       left  on  the  bottom  line.   If  enabled, (<EM>bf</EM> is <STRONG>TRUE</STRONG>), the window is
+       The <STRONG>scrollok</STRONG> option controls what happens when the cursor of  a  window
+       is  moved  off  the edge of the window or scrolling region, either as a
+       result of a newline action on the  bottom  line,  or  typing  the  last
+       character  of the last line.  If disabled, (<EM>bf</EM> is <STRONG>FALSE</STRONG>), the cursor is
+       left on the bottom line.  If enabled,  (<EM>bf</EM>  is  <STRONG>TRUE</STRONG>),  the  window  is
        scrolled up one line (Note that to get the physical scrolling effect on
        the terminal, it is also necessary to call <STRONG>idlok</STRONG>).
 
 
 </PRE><H3><a name="h3-setscrreg_wsetscrreg">setscrreg, wsetscrreg</a></H3><PRE>
-       The  <STRONG>setscrreg</STRONG> and <STRONG>wsetscrreg</STRONG> routines allow the application programmer
-       to set a software scrolling region  in  a  window.   The  <EM>top</EM>  and  <EM>bot</EM>
-       parameters  are  the  line  numbers of the top and bottom margin of the
-       scrolling region.  (Line 0 is the top line of  the  window.)   If  this
-       option  and  <STRONG>scrollok</STRONG>  are  enabled,  an attempt to move off the bottom
+       The <STRONG>setscrreg</STRONG> and <STRONG>wsetscrreg</STRONG> routines allow the application  programmer
+       to  set  a  software  scrolling  region  in  a window.  The <EM>top</EM> and <EM>bot</EM>
+       parameters are the line numbers of the top and  bottom  margin  of  the
+       scrolling  region.   (Line  0  is the top line of the window.)  If this
+       option and <STRONG>scrollok</STRONG> are enabled, an attempt  to  move  off  the  bottom
        margin line causes all lines in the scrolling region to scroll one line
-       in  the  direction  of  the first line.  Only the text of the window is
+       in the direction of the first line.  Only the text  of  the  window  is
        scrolled.  (Note that this has nothing to do with the use of a physical
-       scrolling  region  capability  in the terminal, like that in the VT100.
-       If <STRONG>idlok</STRONG> is enabled and the terminal has either a scrolling  region  or
+       scrolling region capability in the terminal, like that  in  the  VT100.
+       If  <STRONG>idlok</STRONG>  is enabled and the terminal has either a scrolling region or
        insert/delete line capability, they will probably be used by the output
        routines.)
 
 
 </PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
-       The functions <STRONG>setscrreg</STRONG> and <STRONG>wsetscrreg</STRONG> return <STRONG>OK</STRONG> upon success  and  <STRONG>ERR</STRONG>
-       upon  failure.  All other routines that return an integer always return
+       The  functions  <STRONG>setscrreg</STRONG> and <STRONG>wsetscrreg</STRONG> return <STRONG>OK</STRONG> upon success and <STRONG>ERR</STRONG>
+       upon failure.  All other routines that return an integer always  return
        <STRONG>OK</STRONG>.
 
        In this implementation,
 
-       <STRONG>o</STRONG>   those functions that have a window pointer will return <STRONG>ERR</STRONG>  if  the
+       <STRONG>o</STRONG>   those  functions  that have a window pointer will return <STRONG>ERR</STRONG> if the
            window pointer is null
 
-       <STRONG>o</STRONG>   <STRONG>wsetscrreg</STRONG>  returns  <STRONG>ERR</STRONG>  if  the  scrolling  region  limits extend
+       <STRONG>o</STRONG>   <STRONG>wsetscrreg</STRONG> returns  <STRONG>ERR</STRONG>  if  the  scrolling  region  limits  extend
            outside the window boundaries.
 
 
 </PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
-       <STRONG>clearok</STRONG>, <STRONG>leaveok</STRONG>, <STRONG>scrollok</STRONG>, <STRONG>idcok</STRONG>, and <STRONG>setscrreg</STRONG> may be implemented  as
+       <STRONG>clearok</STRONG>,  <STRONG>leaveok</STRONG>, <STRONG>scrollok</STRONG>, <STRONG>idcok</STRONG>, and <STRONG>setscrreg</STRONG> may be implemented as
        macros.
 
-       The  <STRONG>immedok</STRONG>  routine  is  useful for windows that are used as terminal
+       The <STRONG>immedok</STRONG> routine is useful for windows that  are  used  as  terminal
        emulators.
 
 
@@ -167,13 +168,13 @@
        X/Open Curses Issue 4 describes these functions.  It specifies no error
        conditions for them.
 
-       Some  historic  <EM>curses</EM> implementations, as an undocumented feature, did
-       the  equivalent  of  "<STRONG>clearok(</STRONG>...<STRONG>,</STRONG>   <STRONG>1)</STRONG>"   when   <STRONG>touchwin(stdstr)</STRONG>   or
+       Some historic <EM>curses</EM> implementations, as an undocumented  feature,  did
+       the   equivalent   of   "<STRONG>clearok(</STRONG>...<STRONG>,</STRONG>   <STRONG>1)</STRONG>"  when  <STRONG>touchwin(stdstr)</STRONG>  or
        <STRONG>clear(stdstr)</STRONG> were used.  This trick does not work with <EM>ncurses</EM>.
 
-       Early  System V  <EM>curses</EM>  implementations  specified  that with <EM>scrollok</EM>
-       enabled, any window modification triggering  a  scroll  also  forced  a
-       physical  refresh.   X/Open  Curses  does not require this, and <EM>ncurses</EM>
+       Early System V <EM>curses</EM>  implementations  specified  that  with  <EM>scrollok</EM>
+       enabled,  any  window  modification  triggering  a scroll also forced a
+       physical refresh.  X/Open Curses does not  require  this,  and  <EM>ncurses</EM>
        avoids doing so to better optimize vertical motions upon a <EM>wrefresh</EM>.
 
        X/Open Curses does not mention that the cursor should be made invisible
@@ -188,17 +189,17 @@
 
        SVr3.1 (1987) implemented <EM>idcok</EM> and <EM>immedok</EM>.
 
-       <EM>ncurses</EM> formerly treated <EM>nl</EM> and <EM>nonl</EM> as both input <EM>and</EM> output  options,
+       <EM>ncurses</EM>  formerly treated <EM>nl</EM> and <EM>nonl</EM> as both input <EM>and</EM> output options,
        but no longer; see <STRONG><A HREF="curs_inopts.3x.html">curs_inopts(3x)</A></STRONG>.
 
 
 </PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
-       <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>,     <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>,    <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>,    <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>,
+       <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>,    <STRONG><A HREF="curs_addch.3x.html">curs_addch(3x)</A></STRONG>,    <STRONG><A HREF="curs_clear.3x.html">curs_clear(3x)</A></STRONG>,     <STRONG><A HREF="curs_initscr.3x.html">curs_initscr(3x)</A></STRONG>,
        <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>, <STRONG><A HREF="curs_scroll.3x.html">curs_scroll(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>
 
 
 
-ncurses 6.5                       2025-03-01                  <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>
+ncurses 6.5                       2025-03-08                  <STRONG><A HREF="curs_outopts.3x.html">curs_outopts(3x)</A></STRONG>
 </PRE>
 <div class="nav">
 <ul>
Index: doc/html/man/ncurses.3x.html
--- ncurses-6.5-20250301+/doc/html/man/ncurses.3x.html	2025-03-01 22:03:53.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/ncurses.3x.html	2025-03-09 00:47:46.000000000 +0000
@@ -61,7 +61,7 @@
        displays  with  output  optimized  to minimize screen updates.  <EM>ncurses</EM>
        replaces the <EM>curses</EM> libraries from System V Release 4 Unix ("SVr4") and
        4.4BSD  Unix,  the  development  of  which  ceased  in the 1990s.  This
-       document describes <EM>ncurses</EM> version 6.5 (patch 20250301).
+       document describes <EM>ncurses</EM> version 6.5 (patch 20250308).
 
        <EM>ncurses</EM> permits control of the terminal screen's contents;  abstraction
        and  subdivision thereof with <EM>windows</EM> and <EM>pads</EM>; acquisition of keyboard
Index: doc/html/man/terminfo.5.html
--- ncurses-6.5-20250301+/doc/html/man/terminfo.5.html	2025-02-23 14:05:32.000000000 +0000
+++ ncurses-6.5-20250308/doc/html/man/terminfo.5.html	2025-03-09 00:47:46.000000000 +0000
@@ -71,7 +71,7 @@
        have, by specifying how to perform screen operations, and by specifying
        padding requirements and initialization sequences.
 
-       This document describes <EM>ncurses</EM> version 6.5 (patch 20250301).
+       This document describes <EM>ncurses</EM> version 6.5 (patch 20250308).
 
 
 </PRE><H3><a name="h3-terminfo-Entry-Syntax"><EM>terminfo</EM> Entry Syntax</a></H3><PRE>
Index: include/curses.h.in
Prereq:  1.290 
--- ncurses-6.5-20250301+/include/curses.h.in	2025-02-23 01:33:32.000000000 +0000
+++ ncurses-6.5-20250308/include/curses.h.in	2025-02-23 01:33:32.000000000 +0000
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2018-2023,2024 Thomas E. Dickey                                *
+ * Copyright 2018-2024,2025 Thomas E. Dickey                                *
  * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -33,7 +33,7 @@
  *     and: Thomas E. Dickey                        1996-on                 *
  ****************************************************************************/
 
-/* $Id: curses.h.in,v 1.290 2025/02/23 01:33:32 tom Exp $ */
+/* $Id: curses.h.in,v 1.291 2025/02/23 01:33:32 tom Exp $ */
 
 #ifndef __NCURSES_H
 #define __NCURSES_H
Index: include/nc_win32.h
Prereq:  1.15 
--- ncurses-6.5-20250301+/include/nc_win32.h	2025-03-01 13:13:33.000000000 +0000
+++ ncurses-6.5-20250308/include/nc_win32.h	2025-03-08 14:21:17.000000000 +0000
@@ -31,7 +31,7 @@
  * Author: Thomas Dickey, 2008-on                                           *
  ****************************************************************************/
 
-/* $Id: nc_win32.h,v 1.15 2025/03/01 13:13:33 tom Exp $ */
+/* $Id: nc_win32.h,v 1.16 2025/03/08 14:21:17 tom Exp $ */
 
 #ifndef NC_WIN32_H
 #define NC_WIN32_H 1
@@ -100,7 +100,7 @@
 extern NCURSES_EXPORT(int)    _nc_console_isatty(int fd);
 extern NCURSES_EXPORT(int)    _nc_console_test(int fd);
 extern NCURSES_EXPORT(int)    _nc_console_read(SCREEN *sp,HANDLE hdl,int *buf);
-extern NCURSES_EXPORT(int)    _nc_console_twait(SCREEN *, HANDLE,int,int,int * EVENTLIST_2nd(_nc_eventlist * evl));
+extern NCURSES_EXPORT(int)    _nc_console_twait(const SCREEN *sp, HANDLE hdl,int mode,int msec,int *left EVENTLIST_2nd(_nc_eventlist * evl));
 extern NCURSES_EXPORT(WORD)   _nc_console_MapColor(bool fore, int color);
 extern NCURSES_EXPORT(void)   _nc_console_selectActiveHandle(void);
 extern NCURSES_EXPORT(bool)   _nc_console_get_SBI(void);
Index: man/curs_add_wch.3x
Prereq:  1.108 
--- ncurses-6.5-20250301+/man/curs_add_wch.3x	2025-03-01 21:16:45.000000000 +0000
+++ ncurses-6.5-20250308/man/curs_add_wch.3x	2025-03-08 23:01:20.000000000 +0000
@@ -28,8 +28,8 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_add_wch.3x,v 1.108 2025/03/01 21:16:45 tom Exp $
-.TH curs_add_wch 3X 2025-03-01 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_add_wch.3x,v 1.110 2025/03/08 23:01:20 tom Exp $
+.TH curs_add_wch 3X 2025-03-08 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -185,6 +185,7 @@
 when advancement occurs at the right margin,
 and \fB\%scrollok\fP(3X) is enabled for
 .IR win ,
+the cursor wraps as above and
 the scrolling region scrolls up one line.
 Otherwise,
 advancement and scrolling do not occur,
@@ -192,8 +193,9 @@
 .B \%waddch
 returns
 .BR ERR "."
-.\" Do we need to say something here about buggy terminals that might
-.\" scroll anyway?  xterm works fine...
+.\" Does writing to the bottom-right character cell of the screen work
+.\" when `scrollok()` is disabled and the terminal lacks `ich` and
+.\" `ich1` capabilities?
 .PP
 If
 .I wch
Index: man/curs_addch.3x
Prereq:  1.128 
--- ncurses-6.5-20250301+/man/curs_addch.3x	2025-03-01 21:16:45.000000000 +0000
+++ ncurses-6.5-20250308/man/curs_addch.3x	2025-03-08 23:01:20.000000000 +0000
@@ -28,8 +28,8 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_addch.3x,v 1.128 2025/03/01 21:16:45 tom Exp $
-.TH curs_addch 3X 2025-03-01 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_addch.3x,v 1.130 2025/03/08 23:01:20 tom Exp $
+.TH curs_addch 3X 2025-03-08 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -138,6 +138,7 @@
 when advancement occurs at the right margin,
 and \fB\%scrollok\fP(3X) is enabled for
 .IR win ,
+the cursor wraps as above and
 the scrolling region scrolls up one line.
 Otherwise,
 advancement and scrolling do not occur,
@@ -145,8 +146,9 @@
 .B \%waddch
 returns
 .BR ERR "."
-.\" Do we need to say something here about buggy terminals that might
-.\" scroll anyway?  xterm works fine...
+.\" Does writing to the bottom-right character cell of the screen work
+.\" when `scrollok()` is disabled and the terminal lacks `ich` and
+.\" `ich1` capabilities?
 .PP
 If
 .I ch
Index: man/curs_initscr.3x
Prereq:  1.95 
--- ncurses-6.5-20250301+/man/curs_initscr.3x	2025-03-01 21:21:41.000000000 +0000
+++ ncurses-6.5-20250308/man/curs_initscr.3x	2025-03-08 23:07:43.000000000 +0000
@@ -27,8 +27,8 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_initscr.3x,v 1.95 2025/03/01 21:21:41 tom Exp $
-.TH curs_initscr 3X 2025-03-01 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_initscr.3x,v 1.100 2025/03/08 23:07:43 tom Exp $
+.TH curs_initscr 3X 2025-03-08 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -129,9 +129,7 @@
 the
 .I type
 of the associated terminal,
-or
-.I NULL
-to use the
+or a null pointer to use the
 .I TERM
 environment variable;
 .bP
@@ -275,12 +273,20 @@
 structure
 is no longer needed.
 .SH RETURN VALUE
+.B \%delscreen
+returns no value.
 .B \%endwin
 returns
 .B OK
 on success and
 .B ERR
 on failure.
+.B \%isendwin
+returns
+.B TRUE
+or
+.B FALSE
+as described above.
 .PP
 In
 .IR \%ncurses ","
@@ -293,11 +299,10 @@
 .bP
 the terminal was not initialized,
 .bP
-.B \%endwin
-is called more than once without updating the screen,
+it is called more than once without updating the screen,
 or
 .bP
-\fB\%reset_shell_mode\fP(3X) returns
+its call of \fB\%reset_shell_mode\fP(3X) returns
 .BR ERR "."
 .RE
 .bP
@@ -306,16 +311,16 @@
 .B ERR
 if it cannot allocate storage for the
 .I SCREEN
-data structure
-or the top-level windows thereof:
+structure
+or the
+.I WINDOW
+structures automatically associated with it:
 .BR \%curscr ","
 .BR \%newscr ","
 and
 .BR \%stdscr "."
 .PP
-Functions that return pointers return
-.I NULL
-on error.
+Functions that return pointers return null pointers on error.
 In
 .IR \%ncurses ","
 .B \%set_term
Index: man/curs_inopts.3x
Prereq:  1.96 
--- ncurses-6.5-20250301+/man/curs_inopts.3x	2025-03-01 21:23:21.000000000 +0000
+++ ncurses-6.5-20250308/man/curs_inopts.3x	2025-03-08 23:09:30.000000000 +0000
@@ -28,8 +28,8 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_inopts.3x,v 1.96 2025/03/01 21:23:21 tom Exp $
-.TH curs_inopts 3X 2025-03-01 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_inopts.3x,v 1.100 2025/03/08 23:09:30 tom Exp $
+.TH curs_inopts 3X 2025-03-08 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -260,9 +260,13 @@
 enabled
 .RI ( bf
 is
-.BR TRUE ),
-the input character reading function returns a value representing
-the function key,
+.BR TRUE ")"
+then when an input character reading function reads ESC,
+it waits for further input corresponding to an escape sequence
+defined by the terminal type description.
+If a valid sequence is entered,
+the input character reading function
+returns a value representing the function key,
 such as
 .BR KEY_LEFT "."
 (Wide-character API users:
@@ -271,6 +275,8 @@
 to indicate the availability of a function key code in its
 .I wch
 parameter.)
+If the sequence is invalid,
+the input character reading function returns only its last character.
 If disabled
 .RI ( bf
 is
@@ -362,7 +368,11 @@
 disables this timer.
 The purpose of the timeout is to distinguish sequences produced by a
 function key from those typed by a user.
-To configure the timeout rather than disabling it,
+If this timer is disabled,
+.I curses
+waits forever for subsequent keystrokes
+until it determines the escape sequence to be valid or invalid.
+To configure the timeout duration rather than disabling it,
 see
 .B \%wtimeout
 below.
@@ -467,7 +477,7 @@
 Normally,
 a
 .I curses
-library checks the terminal's input file descriptor for pending input
+library checks the terminal's input file descriptor for activity
 with \fIpoll\fP(2) or \fI\%select\fP(2)
 while updating the screen;
 if it finds any,
@@ -598,19 +608,25 @@
 The functions
 .BR \%halfdelay ","
 .BR \%nodelay ","
-.BR \%notimeout ","
 .BR \%timeout ","
 and
 .B \%wtimeout
-all configure whether the input character reading function
+configure whether the input character reading function
 \%(\fBgetch\fP(3X) or \fB\%get_wch\fP(3X))
-waits for keyboard input,
+waits for keyboard input to begin,
 and for how long.
-Only
 .B \%keypad
 configures whether that function waits for further input
 if the first character it reads is ESC.
-X/Open Curses affords no means of configuring
+Calling
+.BR \%notimeout ","
+which has nothing to do with
+.B \%timeout
+or
+.BR \%wtimeout ","
+makes this delay in expectation of further keystrokes
+effectively infinite.
+X/Open Curses affords no means of otherwise configuring
 the length of this second delay,
 but an AIX and
 .I \%ncurses
Index: man/curs_ins_wch.3x
Prereq:  1.48 
--- ncurses-6.5-20250301+/man/curs_ins_wch.3x	2025-03-01 21:25:47.000000000 +0000
+++ ncurses-6.5-20250308/man/curs_ins_wch.3x	2025-03-08 23:10:02.000000000 +0000
@@ -27,8 +27,8 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_ins_wch.3x,v 1.48 2025/03/01 21:25:47 tom Exp $
-.TH curs_ins_wch 3X 2025-03-01 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_ins_wch.3x,v 1.50 2025/03/08 23:10:02 tom Exp $
+.TH curs_ins_wch 3X 2025-03-08 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -91,7 +91,7 @@
 the
 .I curses
 screen has not been initialized,
-and
+or
 .bP
 (for functions taking a
 .I \%WINDOW
Index: man/curs_insch.3x
Prereq:  1.54 
--- ncurses-6.5-20250301+/man/curs_insch.3x	2025-03-01 21:26:42.000000000 +0000
+++ ncurses-6.5-20250308/man/curs_insch.3x	2025-03-08 23:10:02.000000000 +0000
@@ -27,8 +27,8 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_insch.3x,v 1.54 2025/03/01 21:26:42 tom Exp $
-.TH curs_insch 3X 2025-03-01 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_insch.3x,v 1.56 2025/03/08 23:10:02 tom Exp $
+.TH curs_insch 3X 2025-03-08 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -90,7 +90,7 @@
 the
 .I curses
 screen has not been initialized,
-and
+or
 .bP
 (for functions taking a
 .I \%WINDOW
Index: man/curs_kernel.3x
Prereq:  1.80 
--- ncurses-6.5-20250301+/man/curs_kernel.3x	2025-03-01 21:31:35.000000000 +0000
+++ ncurses-6.5-20250308/man/curs_kernel.3x	2025-03-08 23:17:33.000000000 +0000
@@ -27,8 +27,8 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_kernel.3x,v 1.80 2025/03/01 21:31:35 tom Exp $
-.TH curs_kernel 3X 2025-03-01 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_kernel.3x,v 1.84 2025/03/08 23:17:33 tom Exp $
+.TH curs_kernel 3X 2025-03-08 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -235,7 +235,7 @@
 The application must call
 .B \%ripoffline
 before \fB\%initscr\fP(3X) or \fB\%newterm\fP(3X)
-so that the functions prepare a
+so that the latter functions prepare a
 .B \%stdscr
 of the correct size.
 .bP
@@ -243,14 +243,14 @@
 .I line
 is positive,
 .B \%ripoffline
-removes a line from the top of
+removes a line from the top of what will become
 .BR \%stdscr "."
 .bP
 If
 .I line
 is negative,
 .B \%ripoffline
-removes a line from the bottom of
+removes a line from the bottom of what will become
 .BR \%stdscr "."
 .PP
 When
@@ -354,6 +354,31 @@
 There is no way for
 .I \%ncurses
 to determine the initial cursor visibility to restore it.
+.PP
+While the
+.I init
+function called by
+.B \%ripoffline
+is specified to return an
+.IR int ","
+.I \%ncurses
+pays no attention to its return value.
+.PP
+If
+.B \%ripoffline
+cannot allocate memory for the required
+.I \%WINDOW
+structure backing the ripped-off line,
+it stores a null pointer to the
+.I \%WINDOW
+pointer argument supplied by the
+.I init
+function the application specifies.
+The application must check this argument for validity after calling
+.B \%initscr
+and prior to performing
+.I curses
+operations on that window.
 .SH EXTENSIONS
 In
 .IR \%ncurses ","
Index: man/curs_move.3x
Prereq:  1.59 
--- ncurses-6.5-20250301+/man/curs_move.3x	2025-03-01 21:34:10.000000000 +0000
+++ ncurses-6.5-20250308/man/curs_move.3x	2025-03-08 23:18:46.000000000 +0000
@@ -27,8 +27,8 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_move.3x,v 1.59 2025/03/01 21:34:10 tom Exp $
-.TH curs_move 3X 2025-03-01 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_move.3x,v 1.61 2025/03/08 23:18:46 tom Exp $
+.TH curs_move 3X 2025-03-08 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -102,10 +102,7 @@
 .IR ERR \*(''. \" Courier roman in source; SVID 4, vol. 3, p. 503
 .SH HISTORY
 4BSD (1980)
-introduced
-.I move
-and
-.IR \%wmove "."
+introduced these functions.
 .SH SEE ALSO
 \fB\%curses\fP(3X),
 \fB\%curs_refresh\fP(3X)
Index: man/curs_outopts.3x
Prereq:  1.89 
--- ncurses-6.5-20250301+/man/curs_outopts.3x	2025-03-01 21:42:22.000000000 +0000
+++ ncurses-6.5-20250308/man/curs_outopts.3x	2025-03-08 23:19:30.000000000 +0000
@@ -27,8 +27,8 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: curs_outopts.3x,v 1.89 2025/03/01 21:42:22 tom Exp $
-.TH curs_outopts 3X 2025-03-01 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
+.\" $Id: curs_outopts.3x,v 1.91 2025/03/08 23:19:30 tom Exp $
+.TH curs_outopts 3X 2025-03-08 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
 .ie \n(.g \{\
 .ds `` \(lq
 .ds '' \(rq
@@ -142,23 +142,25 @@
 is called with
 .B TRUE
 as second argument,
-any change in the window image,
-such as the ones caused by
+changes to the window image,
+such as those caused by
 .BR \%waddch ","
 .BR \%wclrtobot ","
+or
 .BR \%wscrl ","
-etc., automatically causes a call to
-.BR wrefresh "."
-However, it may degrade performance considerably,
-due to repeated calls to
+automatically cause a call to
 .BR wrefresh "."
+However,
+doing so may degrade performance considerably
+when many such calls occur.
 Calling
 .B \%immedok
 with
 .B FALSE
 as second argument
 restores the default behavior,
-i.e., deferring screen updates until a refresh is needed.
+deferring screen updates until a refresh is needed
+or explicitly directed by the application.
 .SS leaveok
 Normally, the hardware cursor is left at the location of the window cursor
 being refreshed.
Index: ncurses/base/lib_getch.c
Prereq:  1.148 
--- ncurses-6.5-20250301+/ncurses/base/lib_getch.c	2024-12-07 17:40:33.000000000 +0000
+++ ncurses-6.5-20250308/ncurses/base/lib_getch.c	2025-03-09 00:43:49.000000000 +0000
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2018-2023,2024 Thomas E. Dickey                                *
+ * Copyright 2018-2024,2025 Thomas E. Dickey                                *
  * Copyright 1998-2015,2016 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -44,7 +44,7 @@
 #define NEED_KEY_EVENT
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_getch.c,v 1.148 2024/12/07 17:40:33 tom Exp $")
+MODULE_ID("$Id: lib_getch.c,v 1.150 2025/03/09 00:43:49 tom Exp $")
 
 #include <fifo_defs.h>
 
@@ -513,7 +513,7 @@
 
     recur_wrefresh(win);
 
-    if (win->_notimeout || (win->_delay >= 0) || (IsCbreak(sp) > 1)) {
+    if ((win->_delay >= 0) || (IsCbreak(sp) > 1)) {
 	if (head == -1) {	/* fifo is empty */
 	    int delay;
 
Index: ncurses/base/lib_initscr.c
Prereq:  1.49 
--- ncurses-6.5-20250301+/ncurses/base/lib_initscr.c	2024-12-07 20:00:48.000000000 +0000
+++ ncurses-6.5-20250308/ncurses/base/lib_initscr.c	2025-03-09 00:49:14.000000000 +0000
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2019-2020,2024 Thomas E. Dickey                                *
+ * Copyright 2019-2024,2025 Thomas E. Dickey                                *
  * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
@@ -46,7 +46,7 @@
 #include <sys/termio.h>		/* needed for ISC */
 #endif
 
-MODULE_ID("$Id: lib_initscr.c,v 1.49 2024/12/07 20:00:48 tom Exp $")
+MODULE_ID("$Id: lib_initscr.c,v 1.52 2025/03/09 00:49:14 tom Exp $")
 
 NCURSES_EXPORT(WINDOW *)
 initscr(void)
@@ -70,7 +70,8 @@
 	(void) VALID_TERM_ENV(env, "unknown");
 
 	if ((name = strdup(env)) == NULL) {
-	    fprintf(stderr, "Error opening allocating $TERM.\n");
+	    fprintf(stderr, "ncurses: cannot allocate %d bytes of"
+		    "memory for $TERM; exiting\n", (int) strlen(env));
 	    ExitProgram(EXIT_FAILURE);
 	}
 #ifdef __CYGWIN__
@@ -91,7 +92,8 @@
 	}
 #endif
 	if (newterm(name, stdout, stdin) == NULL) {
-	    fprintf(stderr, "Error opening terminal: %s.\n", name);
+	    fprintf(stderr, "ncurses: cannot initialize terminal type"
+		    " ($TERM=\"%s\"); exiting\n", name);
 	    ExitProgram(EXIT_FAILURE);
 	}
 
Index: ncurses/tinfo/lib_win32con.c
Prereq:  1.18 
--- ncurses-6.5-20250301+/ncurses/tinfo/lib_win32con.c	2025-03-01 14:26:14.000000000 +0000
+++ ncurses-6.5-20250308/ncurses/tinfo/lib_win32con.c	2025-03-08 14:20:11.000000000 +0000
@@ -38,7 +38,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_win32con.c,v 1.18 2025/03/01 14:26:14 tom Exp $")
+MODULE_ID("$Id: lib_win32con.c,v 1.19 2025/03/08 14:20:11 tom Exp $")
 
 #if defined(_NC_WINDOWS)
 
@@ -632,7 +632,7 @@
                      RIGHTMOST_BUTTON_PRESSED)
 
 static mmask_t
-decode_mouse(SCREEN *sp, int mask)
+decode_mouse(const SCREEN *sp, int mask)
 {
     mmask_t result = 0;
 
@@ -828,7 +828,7 @@
 
 NCURSES_EXPORT(int)
 _nc_console_twait(
-		     SCREEN *sp,
+		     const SCREEN *sp,
 		     HANDLE hdl,
 		     int mode,
 		     int milliseconds,
Index: package/debian-mingw/changelog
--- ncurses-6.5-20250301+/package/debian-mingw/changelog	2025-02-23 01:08:08.000000000 +0000
+++ ncurses-6.5-20250308/package/debian-mingw/changelog	2025-03-08 11:56:38.000000000 +0000
@@ -1,8 +1,8 @@
-ncurses6td (6.5+20250301) unstable; urgency=low
+ncurses6td (6.5+20250308) unstable; urgency=low
 
   * latest weekly patch
 
- -- Thomas E. Dickey <dickey@invisible-island.net>  Sat, 22 Feb 2025 20:08:08 -0500
+ -- Thomas E. Dickey <dickey@invisible-island.net>  Sat, 08 Mar 2025 06:56:38 -0500
 
 ncurses6 (5.9+20131005) unstable; urgency=low
 
Index: package/debian-mingw64/changelog
--- ncurses-6.5-20250301+/package/debian-mingw64/changelog	2025-02-23 01:08:08.000000000 +0000
+++ ncurses-6.5-20250308/package/debian-mingw64/changelog	2025-03-08 11:56:38.000000000 +0000
@@ -1,8 +1,8 @@
-ncurses6td (6.5+20250301) unstable; urgency=low
+ncurses6td (6.5+20250308) unstable; urgency=low
 
   * latest weekly patch
 
- -- Thomas E. Dickey <dickey@invisible-island.net>  Sat, 22 Feb 2025 20:08:08 -0500
+ -- Thomas E. Dickey <dickey@invisible-island.net>  Sat, 08 Mar 2025 06:56:38 -0500
 
 ncurses6 (5.9+20131005) unstable; urgency=low
 
Index: package/debian/changelog
--- ncurses-6.5-20250301+/package/debian/changelog	2025-02-23 01:08:08.000000000 +0000
+++ ncurses-6.5-20250308/package/debian/changelog	2025-03-08 11:56:38.000000000 +0000
@@ -1,8 +1,8 @@
-ncurses6td (6.5+20250301) unstable; urgency=low
+ncurses6td (6.5+20250308) unstable; urgency=low
 
   * latest weekly patch
 
- -- Thomas E. Dickey <dickey@invisible-island.net>  Sat, 22 Feb 2025 20:08:08 -0500
+ -- Thomas E. Dickey <dickey@invisible-island.net>  Sat, 08 Mar 2025 06:56:38 -0500
 
 ncurses6 (5.9+20120608) unstable; urgency=low
 
Index: package/mingw-ncurses.nsi
Prereq:  1.692 
--- ncurses-6.5-20250301+/package/mingw-ncurses.nsi	2025-02-23 01:08:08.000000000 +0000
+++ ncurses-6.5-20250308/package/mingw-ncurses.nsi	2025-03-08 11:56:38.000000000 +0000
@@ -1,4 +1,4 @@
-; $Id: mingw-ncurses.nsi,v 1.692 2025/02/23 01:08:08 tom Exp $
+; $Id: mingw-ncurses.nsi,v 1.693 2025/03/08 11:56:38 tom Exp $
 
 ; TODO add examples
 ; TODO bump ABI to 6
@@ -10,7 +10,7 @@
 !define VERSION_MAJOR "6"
 !define VERSION_MINOR "5"
 !define VERSION_YYYY  "2025"
-!define VERSION_MMDD  "0301"
+!define VERSION_MMDD  "0308"
 !define VERSION_PATCH ${VERSION_YYYY}${VERSION_MMDD}
 
 !define MY_ABI   "5"
Index: package/mingw-ncurses.spec
--- ncurses-6.5-20250301+/package/mingw-ncurses.spec	2025-02-23 01:08:08.000000000 +0000
+++ ncurses-6.5-20250308/package/mingw-ncurses.spec	2025-03-08 11:56:38.000000000 +0000
@@ -3,7 +3,7 @@
 Summary: shared libraries for terminal handling
 Name: mingw32-ncurses6
 Version: 6.5
-Release: 20250301
+Release: 20250308
 License: X11
 Group: Development/Libraries
 URL: https://invisible-island.net/ncurses/
Index: package/ncurses.spec
--- ncurses-6.5-20250301+/package/ncurses.spec	2025-02-23 01:08:08.000000000 +0000
+++ ncurses-6.5-20250308/package/ncurses.spec	2025-03-08 11:56:38.000000000 +0000
@@ -1,7 +1,7 @@
 Summary: shared libraries for terminal handling
 Name: ncurses6
 Version: 6.5
-Release: 20250301
+Release: 20250308
 License: X11
 Group: Development/Libraries
 URL: https://invisible-island.net/ncurses/
Index: package/ncursest.spec
--- ncurses-6.5-20250301+/package/ncursest.spec	2025-02-23 01:08:08.000000000 +0000
+++ ncurses-6.5-20250308/package/ncursest.spec	2025-03-08 11:56:38.000000000 +0000
@@ -1,7 +1,7 @@
 Summary: Curses library with POSIX thread support.
 Name: ncursest6
 Version: 6.5
-Release: 20250301
+Release: 20250308
 License: X11
 Group: Development/Libraries
 Source: ncurses-%{version}-%{release}.tgz