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-<TITLE>Announcing ncurses @VERSION@</TITLE>
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-<BODY>
-
-<H1>Announcing ncurses @VERSION@</H1>
-
-The ncurses (new curses) library is a free software emulation of
-curses in System V Release 4.0, and more. It uses terminfo format,
-supports pads and color
-and multiple highlights and forms characters and function-key mapping,
-and has all the other SYSV-curses enhancements over BSD curses.<P>
-
-In mid-June 1995, the maintainer of 4.4BSD curses declared that he
-considered 4.4BSD curses obsolete, and is encouraging the keepers of
-Unix releases such as BSD/OS, freeBSD and netBSD to switch over to
-ncurses.<P>
-
-The ncurses code was developed under GNU/Linux.
-It has been in use for some time with OpenBSD as the system curses library,
-and on FreeBSD and NetBSD as an external package.
-It should port easily to any ANSI/POSIX-conforming UNIX.
-It has even been ported to OS/2 Warp!<P>
-
-The distribution includes the library and support utilities, including a
-terminfo compiler tic(1), a decompiler infocmp(1), clear(1), tput(1), tset(1),
-and a termcap conversion tool captoinfo(1). Full manual pages are provided for
-the library and tools.<P>
-
-The ncurses distribution is available via anonymous FTP at
-the GNU distribution site
-<A HREF="ftp://ftp.gnu.org/gnu/ncurses/">ftp://ftp.gnu.org/gnu/ncurses/</A> .
-<br>It is also available at
-<A HREF="ftp://invisible-island.net/ncurses/">ftp://invisible-island.net/ncurses/</A> .
-
-<H1>Release Notes</H1>
-
-This release is designed to be upward compatible from ncurses 5.0 and 5.3;
-very few applications will require recompilation, depending on the platform.
-These are the highlights from the change-log since ncurses 5.3 release.
-<p>
-Interface changes:
-<ul>
- <li>add the remaining functions for X/Open curses wide-character
- support.
- <ul>
- <li>pecho_wchar()
- <li>slk_wset()
- </ul>
- These are only available if the library is configured using the
- <kbd>--enable-widec</kbd> option.
-
- <li>write <code>getyx()</code> and related 2-return macros in terms of
- <code>getcury()</code>,
- <code>getcurx()</code>, etc.
-
- <li>simplify ifdef for <code>bool</code> declaration in curses.h
-
- <li>modify ifdef's in curses.h that disabled use of
- <code>__attribute__()</code> for g++, since recent versions
- implement the cases which ncurses uses.
-
- <li>add <code>key_defined()</code> function, to tell which keycode a
- string is bound to.
-</ul>
-New features and improvements:
-<ul>
- <li>library
- <ul>
- <li>implement logic in lib_mouse.c to handle position reports which
- are generated when XFree86 xterm is initialized with private
- modes 1002 or 1003. These are returned to the application as the
- REPORT_MOUSE_POSITION mask, which was not implemented.
- <li>modify soft-key initialization to use A_REVERSE if A_STANDOUT
- would not be shown when colors are used, i.e., if ncv#1 is set in
- the terminfo as is done in "screen".
- <li>add configure option for FreeBSD sysmouse, --with-sysmouse, and
- implement library support for that.
- </ul>
-
- <li>programs:
-
- <ul>
- <li>tack:
-
- <ul>
- <li>allow it to run from fallback terminfo data.
- <li>reset colors after each color test, correct a place
- where <code>exit_standout_mode</code> was used instead of
- <code>exit_attribute_mode</code>.
- <li>improve <code>bce</code> test by making it set colors other
- than black on white.
- </ul>
-
- <li>tic:
-
- <ul>
- <li>handle a case where an entry has no
- description, and capabilities begin on the same line as the entry
- name.
- <li>allow a terminfo entry with a leading 2-character name.
- <li>improved warnings when suppressing items to fit in termcap's
- 1023-byte limit.
- <li>add check for multiple "tc=" clauses in a termcap.
- <li>correct logic for resolving "use=" clauses
- allow infocmp and tic to show cancelled capabilities.
- <li>check for incomplete line-drawing character mapping.
- <li>check for missing/empty/illegal terminfo name.
- </ul>
-
- <li>tput:
- <ul>
- <li>modify tput to use the same parameter analysis as tparm() does,
- to provide for user-defined strings, e.g., for xterm title, a
- corresponding capability might be
- title=\E]2;%p1%s^G,
- </ul>
-
- <li>tset:
-
- <ul>
- <li>use the system's default values for CKILL and other default
- control characters.
- <li>correct interchanged defaults for kill and interrupt
- characters, which caused it to report unnecessarily.
- </ul>
-
- </ul>
-</ul>
-Major bug fixes:
-<ul>
- <li>prevent recursion in wgetch() via wgetnstr() if the connection
- cannot be switched between cooked/raw modes because it is not a TTY.
-
- <li>correct a case in _nc_remove_string(), used by
- <code>define_key()</code>, to avoid infinite loop if the given string
- happens to be a substring of other strings which are assigned to keys.
-
- <li>modify logic of acsc to use the original character if no mapping is
- defined, rather than a null.
-
- <li>several improvements for handling multi-cell display of wide
- characters.
- <ul>
- <li>modify setcchar() to allow converting control characters to complex
- characters.
- <li>correct handling of multibyte characters in waddch_literal() which
- force wrapping because they are started too late on the line.
- <li>modify setcchar() to allow for wchar_t input strings that have
- more than one spacing character.
- </ul>
-
- <li>other fixes for wide-character support:
- <ul>
- <li>rewrote lib_acs.c to allow PutAttrChar() to decide how to render
- alternate-characters, i.e., to work with Linux console and UTF-8
- locale.
- <li>implement a workaround so that line-drawing works with screen's
- crippled UTF-8 support (tested with 3.9.13). This only works with
- the wide-character support (--enable-widec); the normal library
- will simply suppress line-drawing when running in a UTF-8 locale in
- screen.
- <li>corrections to lib_get_wstr.c:
- <ul>
- <li>null-terminate buffer passed to setcchar(), which occasionally
- failed.
- <li>map special characters such as erase- and kill-characters into
- key-codes so those will work as expected even if they are not
- mentioned in the terminfo.
- </ul>
- </ul>
-
- <li>modify <code>setupterm()</code> to check if the terminfo and
- terminal-modes have already been read. This ensures that it does not
- reinvoke <code>def_prog_mode()</code> when an application calls more
- than one function, such as <code>tgetent()</code> and
- <code>initscr()</code>.
-
- <li>fix form_driver() cases for REQ_CLR_EOF, REQ_CLR_EOL, REQ_DEL_CHAR,
- REQ_DEL_PREV and REQ_NEW_LINE, which did not ensure the cursor was at
- the editing position before making modifications.
-
- <li>correct <code>keybound()</code>, which reported definitions in the
- wrong table, i.e., the list of definitions which are disabled by
- <code>keyok()</code>.
-
- <li>fixes related to safe_sprintf.c:
- <ul>
- <li>correct an allocation size in safe_sprintf.c for the "*" format
- code.
- <li>correct safe_sprintf.c to not return a null pointer if the format
- happens to be an empty string.
- <li>make return value from _nc_printf_string() consistent. Before,
- depending on whether --enable-safe-sprintf was used, it might not
- be cached for reallocating.
- </ul>
-
- <li>other low-level improvements to the optimization code include:
- <ul>
- <li>if the output is a socket or other non-tty device, use 1
- millisecond
- for the cost in mvcur; previously it was 9 milliseconds because the
- baudrate was not known.
- <li>modify lib_getch.c to avoid recursion via wgetnstr() when the
- input
- is not a tty and consequently mode-changes do not work.
- <li>fix several places in tack/pad.c which tested and used the
- parameter- and parameterless strings inconsistently.
- <li>change several tputs() calls in scrolling code to use putp(), to
- enable padding which may be needed for some terminals.
- <li>improve mvcur() by checking if it is safe to move when video
- attributes are set (msgr), and if not, reset/restore attributes
- within that function rather than doing it separately in the GoTo()
- function in tty_update.c.
- <li>use tputs() rather than putp() in a few cases in tty_update.c
- since the corresponding delays are proportional to the number of
- lines affected: repeat_char, clr_eos, change_scroll_region.
- </ul>
-
- <li>correct line/column reference in adjust_window(), needed to make
- special windows such as curscr track properly when resizing.
-
- <li>fix a potential recursion between napms() and _nc_timed_wait()
-
- <li>rewrote lib_insch.c, combining it with lib_insstr.c so both handle
- tab and other control characters consistently.
-
- <li>do not try to open gpm mouse driver if standard output is not a
- tty; the gpm library does not make this check.
-</ul>
-
-Portability:
-<ul>
- <li>configure script:
- <ul>
- <li>new options:
- <dl>
- <dt>--with-abi-version option.
- <dd>addresses platforms where packagers have diverged from
- ncurses ABI numbering.
- <dt>--with-manpage-format=catonly
- <dd>addresses
- behavior of BSDI, allow install of man+cat files on NetBSD,
- whose behavior has diverged by requiring both to be present.
- <dt>--with-manpage-aliases
- <dd>extends
- "--with-manpage-aliases" to provide the option of generating
- ".so" files rather than symbolic links for manpage aliases.
- <dt>--with-rel-version
- <dd>workaround to force
- libtool on Darwin generate the "same" library names as with
- the "--with-shared" option. The Darwin ld program does not
- work well with a zero as the minor-version value.
- <dt>--with-trace
- <dd>simplifies defining TRACE to incorporate trace() in libraries.
- </dl>
-
- <li>fixes/improvements for cross-compiling:
-
- <ul>
- <li>allow BUILD_CC and related configure script variables to be
- overridden from the environment.
- <li>use AC_CHECK_TOOL to get proper values for AR and LD for cross
- compiling.
- <li>use <code>$cross_compiling</code> variable in configure script
- rather than comparing <code>$host_alias</code> and
- <code>$target</code> alias, since "host" is traditionally misused
- in autoconf to refer to the target platform.
- <li>modify run_tic.in to avoid using wrong shared libraries when
- cross-compiling.
- </ul>
-
- <li>fixes for Mac OS X:
- <ul>
- <li>fix a redefinition of <code>$RANLIB</code> in the configure
- script when libtool is used.
- <li>modify MKlib_gen.sh to avoid passing "#" tokens through the C
- preprocessor. This works around Mac OS X's preprocessor, which
- insists on adding a blank on each side of the token.
- </ul>
-
- <li>workarounds for broken tools:
- <ul>
- <li>add configure check for wchar_t and wint_t types, rather than
- rely on preprocessor definitions. Also work around for gcc
- <code>fixinclude</code> bug which creates a shadow copy of
- curses.h if it sees these symbols apparently typedef'd.
- <li>modify configure script to omit -Winline for gcc 3.3, since
- that feature is broken.
- <li>several script fixes to work around the ironically named
- <em>POSIXLY_CORRECT</em> feature of GNU sed 4.0.
- <li>modify configure script to avoid using "head -1", which does
- not work if POSIXLY_CORRECT (sic) is set.
- <li>update configure script to reflect fix for
- AC_PROG_GCC_TRADITIONAL, which is broken in autoconf 2.5x for Mac
- OS X 10.2.3.
- <li>repair check for missing C++ compiler, which is broken in
- autoconf 2.5x by hardcoding it to g++.
- </ul>
-
- <li>corrected ifdef's relating to configure check for wchar_t, etc.
- <li>remove configure script check to allow -Wconversion for older
- versions of gcc
- <li>modify configure script to accommodate libtool 1.5, as well as
- add an parameter to the "--with-libtool" option which can specify
- the pathname of libtool.
- <li>change several sed scripts to avoid using "\+" since it is not a
- BRE (basic regular expression). One instance caused terminfo.5 to
- be misformatted on FreeBSD.
- <li>use '%' as sed substitute delimiter in run_tic script to avoid
- problems with pathname delimiters such as ':' and '@'.
- <li>add -D_XOPEN_SOURCE=500 if needed when configuring with
- "--enable-widec", to get <code>mbstate_t</code> declaration on HPUX
- 11.11.
- </ul>
-
- <li>library:
- <ul>
- <li>adjust include-options in CF_ETIP_DEFINES to avoid missing
- ncurses_dll.h, fixing special definitions that may be needed for
- etip.h.
- <li>modify CF_LIB_SUFFIX for Itanium releases of HP-UX, which use a
- ".so" suffix.
- <li>improve ifdef's to guard against redefinition of wchar_t and wint_t
- in curses.h.
- <li>remove an #undef for KEY_EVENT from curses.tail used in the
- experimental NCURSES_WGETCH_EVENTS feature. The #undef confuses
- Debian <code>dpkg</code>'s build script.
- </ul>
-</ul>
-
-<H1>Features of Ncurses</H1>
-
-The ncurses package is fully compatible with SVr4 (System V Release 4) curses:
-
-<UL>
-<LI>All 257 of the SVr4 calls have been implemented (and are documented).
-<LI>Full support for SVr4 curses features including keyboard mapping, color,
-forms-drawing with ACS characters, and automatic recognition of keypad
-and function keys.
-<LI>An emulation of the SVr4 panels library, supporting
-a stack of windows with backing store, is included.
-<LI>An emulation of the SVr4 menus library, supporting
-a uniform but flexible interface for menu programming, is included.
-<LI>An emulation of the SVr4 form library, supporting
-data collection through on-screen forms, is included.
-<LI>Binary terminfo entries generated by the ncurses tic(1) implementation
-are bit-for-bit-compatible with the entry format SVr4 curses uses.
-<LI>The utilities have options to allow you to filter terminfo
-entries for use with less capable <STRONG>curses</STRONG>/<STRONG>terminfo</STRONG>
-versions such as the HP/UX and AIX ports.</UL>
-
-The ncurses package also has many useful extensions over SVr4:
-
-<UL>
-<LI>The API is 8-bit clean and base-level conformant with the X/OPEN curses
-specification, XSI curses (that is, it implements all BASE level features,
-but not all EXTENDED features). Most EXTENDED-level features not directly
-concerned with wide-character support are implemented, including many
-function calls not supported under SVr4 curses (but portability of all
-calls is documented so you can use the SVr4 subset only).
-<LI>Unlike SVr3 curses, ncurses can write to the rightmost-bottommost corner
-of the screen if your terminal has an insert-character capability.
-<LI>Ada95 and C++ bindings.
-<LI>Support for mouse event reporting with X Window xterm and OS/2 console windows.
-<LI>Extended mouse support via Alessandro Rubini's gpm package.
-<LI>The function <CODE>wresize()</CODE> allows you to resize windows, preserving
-their data.
-<LI>The function <CODE>use_default_colors()</CODE> allows you to
-use the terminal's default colors for the default color pair,
-achieving the effect of transparent colors.
-<LI>The functions <CODE>keyok()</CODE>
-and <CODE>define_key()</CODE> allow
-you to better control the use of function keys,
-e.g., disabling the ncurses KEY_MOUSE,
-or by defining more than one control sequence to map to a given key code.
-<LI>Support for 16-color terminals, such as aixterm and XFree86 xterm.
-<LI>Better cursor-movement optimization. The package now features a
-cursor-local-movement computation more efficient than either BSD's
-or System V's.
-<LI>Super hardware scrolling support. The screen-update code incorporates
-a novel, simple, and cheap algorithm that enables it to make optimal
-use of hardware scrolling, line-insertion, and line-deletion
-for screen-line movements. This algorithm is more powerful than
-the 4.4BSD curses quickch() routine.
-<LI>Real support for terminals with the magic-cookie glitch. The
-screen-update code will refrain from drawing a highlight if the magic-
-cookie unattributed spaces required just before the beginning and
-after the end would step on a non-space character. It will
-automatically shift highlight boundaries when doing so would make it
-possible to draw the highlight without changing the visual appearance
-of the screen.
-<LI>It is possible to generate the library with a list of pre-loaded
-fallback entries linked to it so that it can serve those terminal types even
-when no terminfo tree or termcap file is accessible (this may be useful
-for support of screen-oriented programs that must run in single-user mode).
-<LI>The tic(1)/captoinfo utility provided with ncurses has the
-ability to translate many termcaps from the XENIX, IBM and
-AT&T extension sets.
-<LI>A BSD-like tset(1) utility is provided.
-<LI>The ncurses library and utilities will automatically read terminfo
-entries from $HOME/.terminfo if it exists, and compile to that directory
-if it exists and the user has no write access to the system directory.
-This feature makes it easier for users to have personal terminfo entries
-without giving up access to the system terminfo directory.
-<LI>You may specify a path of directories to search for compiled
-descriptions with the environment variable TERMINFO_DIRS (this
-generalizes the feature provided by TERMINFO under stock System V.)
-<LI>In terminfo source files, use capabilities may refer not just to
-other entries in the same source file (as in System V) but also to
-compiled entries in either the system terminfo directory or the user's
-$HOME/.terminfo directory.
-<LI>A script (<STRONG>capconvert</STRONG>) is provided to help BSD users
-transition from termcap to terminfo. It gathers the information in a
-TERMCAP environment variable and/or a ~/.termcap local entries file
-and converts it to an equivalent local terminfo tree under $HOME/.terminfo.
-<LI>Automatic fallback to the /etc/termcap file can be compiled in
-when it is not possible to build a terminfo tree. This feature is neither
-fast nor cheap, you don't want to use it unless you have to,
-but it's there.
-<LI>The table-of-entries utility <STRONG>toe</STRONG> makes it easy for users to
-see exactly what terminal types are available on the system.
-<LI>The library meets the XSI requirement that every macro entry
-point have a corresponding function which may be linked (and will be
-prototype-checked) if the macro definition is disabled with
-<CODE>#undef</CODE>.
-<LI>An HTML "Introduction to Programming with NCURSES" document provides
-a narrative introduction to the curses programming interface.
-</UL>
-
-<H1>State of the Package</H1>
-
-Numerous bugs present in earlier versions have been fixed; the
-library is far more reliable than it used to be. Bounds checking in many
-`dangerous' entry points has been improved. The code is now type-safe
-according to gcc -Wall. The library has been checked for malloc leaks and
-arena corruption by the Purify memory-allocation tester.<P>
-
-The ncurses code has been tested with a wide variety of applications
-including (versions starting with those noted):
-<DL>
-<DT> cdk
-<DD> Curses Development Kit
-<br>
-<A HREF="http://invisible-island.net/cdk/">http://invisible-island.net/cdk/</A>
-<br>
-<A HREF="http://www.vexus.ca/products/CDK/">http://www.vexus.ca/products/CDK/</a>
-<DT> ded
-<DD> directory-editor
-<br>
-<A HREF="http://invisible-island.net/ded/">http://invisible-island.net/ded/</A>
-<DT> dialog
-<DD> the underlying application used in Slackware's setup, and the basis
-for similar applications on GNU/Linux.
-<br>
-<A HREF="http://invisible-island.net/dialog/">http://invisible-island.net/dialog/</A>
-<DT> lynx
-<DD> the character-screen WWW browser
-<br>
-<A HREF="http://lynx.isc.org/release/">http://lynx.isc.org/release/</A>
-<DT> Midnight Commander
-<DD> file manager
-<br>
-<A HREF="http://www.ibiblio.org/mc/">http://www.ibiblio.org/mc/</A>
-<DT> mutt
-<DD> mail utility
-<br>
-<A HREF="http://www.mutt.org/">http://www.mutt.org/</A>
-<DT> ncftp
-<DD> file-transfer utility
-<br>
-<A HREF="http://www.ncftp.com/">http://www.ncftp.com/</A>
-<DT> nvi
-<DD> New vi versions 1.50 are able to use ncurses versions 1.9.7 and later.
-<br>
-<A HREF="http://www.bostic.com/vi/">http://www.bostic.com/vi/</A>
-<br>
-<DT> pinfo
-<DD> Lynx-like info browser.
-<A HREF="http://dione.ids.pl/~pborys/software/pinfo/">http://dione.ids.pl/~pborys/software/pinfo/</A>
-<DT> tin
-<DD> newsreader, supporting color, MIME
-<A HREF="http://www.tin.org/">http://www.tin.org/</A>
-<DT> vh-1.6
-<DD> Volks-Hypertext browser for the Jargon File
-<br>
-<A HREF="http://www.debian.org/Packages/unstable/text/vh.html">http://www.debian.org/Packages/unstable/text/vh.html</A>
-</DL>
-as well as some that use ncurses for the terminfo support alone:
-<DL>
-<DT> minicom
-<DD> terminal emulator
-<br>
-<A HREF="http://www.netsonic.fi/~walker/minicom.html">http://www.netsonic.fi/~walker/minicom.html</A>
-<DT> vile
-<DD> vi-like-emacs
-<br>
-<A HREF="http://invisible-island.net/vile/">http://invisible-island.net/vile/</A>
-</DL>
-<P>
-
-The ncurses distribution includes a selection of test programs (including
-a few games).
-
-<H2>Who's Who and What's What</H2>
-
-Zeyd Ben-Halim
-started it from a previous package pcurses, written by Pavel Curtis.
-Eric S. Raymond
-continued development.
-Jürgen Pfeifer wrote most of the form and menu libraries.
-Ongoing work is being done by
-<A HREF="mailto:dickey@invisible-island.net">Thomas Dickey</A>.
-Thomas Dickey
-acts as the maintainer for the Free Software Foundation,
-which holds the copyright on ncurses.
-Contact the current maintainers at
-<A HREF="mailto:bug-ncurses@gnu.org">bug-ncurses@gnu.org</A>.
-<P>
-
-To join the ncurses mailing list, please write email to
-<CODE>bug-ncurses-request@gnu.org</CODE> containing the line:
-<PRE>
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
+
+<html>
+<head>
+ <meta name="generator" content=
+ "HTML Tidy for Linux (vers 25 March 2009), see www.w3.org">
+
+ <title>Announcing ncurses @VERSION@</title>
+ <link rev="made" href="mailto:bug-ncurses@gnu.org">
+ <meta http-equiv="Content-Type" content=
+ "text/html; charset=us-ascii">
+</head>
+
+<body>
+ <h1>Announcing ncurses @VERSION@</h1>
+
+ <p>The ncurses (new curses) library is a free software emulation
+ of curses in System V Release 4.0, and more. It uses terminfo
+ format, supports pads and color and multiple highlights and forms
+ characters and function-key mapping, and has all the other
+ SYSV-curses enhancements over BSD curses.</p>
+
+ <p>In mid-June 1995, the maintainer of 4.4BSD curses declared
+ that he considered 4.4BSD curses obsolete, and encouraged the
+ keepers of Unix releases such as BSD/OS, FreeBSD and NetBSD to
+ switch over to ncurses.</p>
+
+ <p>The ncurses code was developed under GNU/Linux. It has been in
+ use for some time with OpenBSD as the system curses library, and
+ on FreeBSD and NetBSD as an external package. It should port
+ easily to any ANSI/POSIX-conforming UNIX. It has even been ported
+ to OS/2 Warp!</p>
+
+ <p>The distribution includes the library and support utilities,
+ including a terminfo compiler tic(1), a decompiler infocmp(1),
+ clear(1), tput(1), tset(1), and a termcap conversion tool
+ captoinfo(1). Full manual pages are provided for the library and
+ tools.</p>
+
+ <p>The ncurses distribution is available via anonymous FTP at the
+ GNU distribution site <a href=
+ "ftp://ftp.gnu.org/gnu/ncurses/">ftp://ftp.gnu.org/gnu/ncurses/</a> .<br>
+
+ It is also available at <a href=
+ "ftp://invisible-island.net/ncurses/">ftp://invisible-island.net/ncurses/</a> .</p>
+
+ <h1>Release Notes</h1>
+
+ <p>This release is designed to be upward compatible from ncurses
+ 5.0 through 5.8; very few applications will require
+ recompilation, depending on the platform. These are the
+ highlights from the change-log since ncurses 5.8 release.</p>
+
+ <p>This is a bug-fix release, correcting a small number of urgent
+ problems in the ncurses library from the 5.8 release.</p>
+
+ <p>It also improves the Ada95 binding:</p>
+
+ <ul>
+ <li>fixes a longstanding portability problem with its use of
+ the <a href=
+ "http://invisible-island.net/ncurses/man/form_fieldtype.3x">set_field_type</a>
+ function. Because that function uses variable-length argument
+ lists, its interface with gnat does not work with certain
+ platforms.</li>
+
+ <li>improves configurability and portability, particularly when
+ built separately from the main ncurses tree. The 5.8 release
+ introduced scripts which can be used to construct separate
+ tarballs for the Ada95 and ncurses examples.
+
+ <p>Those were a proof of concept. For the 5.9 release, those
+ scripts are augmented with rpm- and dpkg-scripts used in test
+ builds against a variety of gnat- and system ncurses versions
+ as old as gnat 3.15 and ncurses 5.4 (see snapshots and
+ systems tested <a href=
+ "http://invisible-island.net/ncurses/ncurses-Ada95.html">here</a>.</p>
+ </li>
+
+ <li>additional improvements were made for portability of the
+ ncurses examples, adding rpm- and dpkg-scripts for test-builds.
+ See <a href=
+ "http://invisible-island.net/ncurses/ncurses-examples.html">this
+ page</a> for snapshots and other information.</li>
+ </ul>
+
+ <h1>Features of Ncurses</h1>
+
+ <p>The ncurses package is fully compatible with SVr4 (System V
+ Release 4) curses:</p>
+
+ <ul>
+ <li>All 257 of the SVr4 calls have been implemented (and are
+ documented).</li>
+
+ <li>Full support for SVr4 curses features including keyboard
+ mapping, color, forms-drawing with ACS characters, and
+ automatic recognition of keypad and function keys.</li>
+
+ <li>An emulation of the SVr4 panels library, supporting a stack
+ of windows with backing store, is included.</li>
+
+ <li>An emulation of the SVr4 menus library, supporting a
+ uniform but flexible interface for menu programming, is
+ included.</li>
+
+ <li>An emulation of the SVr4 form library, supporting data
+ collection through on-screen forms, is included.</li>
+
+ <li>Binary terminfo entries generated by the ncurses tic(1)
+ implementation are bit-for-bit-compatible with the entry format
+ SVr4 curses uses.</li>
+
+ <li>The utilities have options to allow you to filter terminfo
+ entries for use with less capable
+ <strong>curses</strong>/<strong>terminfo</strong> versions such
+ as the HP/UX and AIX ports.</li>
+ </ul>
+
+ <p>The ncurses package also has many useful extensions over
+ SVr4:</p>
+
+ <ul>
+ <li>The API is 8-bit clean and base-level conformant with the
+ X/OPEN curses specification, XSI curses (that is, it implements
+ all BASE level features, and most EXTENDED features). It
+ includes many function calls not supported under SVr4 curses
+ (but portability of all calls is documented so you can use the
+ SVr4 subset only).</li>
+
+ <li>Unlike SVr3 curses, ncurses can write to the
+ rightmost-bottommost corner of the screen if your terminal has
+ an insert-character capability.</li>
+
+ <li>Ada95 and C++ bindings.</li>
+
+ <li>Support for mouse event reporting with X Window xterm and
+ FreeBSD and OS/2 console windows.</li>
+
+ <li>Extended mouse support via Alessandro Rubini's gpm
+ package.</li>
+
+ <li>The function <code>wresize</code> allows you to resize
+ windows, preserving their data.</li>
+
+ <li>The function <code>use_default_colors</code> allows you to
+ use the terminal's default colors for the default color pair,
+ achieving the effect of transparent colors.</li>
+
+ <li>The functions <code>keyok</code> and
+ <code>define_key</code> allow you to better control the use of
+ function keys, e.g., disabling the ncurses KEY_MOUSE, or by
+ defining more than one control sequence to map to a given key
+ code.</li>
+
+ <li>Support for 256-color terminals, such as modern xterm, when
+ configured using the <code>--enable-ext-colors</code>
+ option.</li>
+
+ <li>Support for 16-color terminals, such as <em>aixterm</em>
+ and <em>modern xterm</em>.</li>
+
+ <li>Better cursor-movement optimization. The package now
+ features a cursor-local-movement computation more efficient
+ than either BSD's or System V's.</li>
+
+ <li>Super hardware scrolling support. The screen-update code
+ incorporates a novel, simple, and cheap algorithm that enables
+ it to make optimal use of hardware scrolling, line-insertion,
+ and line-deletion for screen-line movements. This algorithm is
+ more powerful than the 4.4BSD curses <code>quickch</code>
+ routine.</li>
+
+ <li>Real support for terminals with the magic-cookie glitch.
+ The screen-update code will refrain from drawing a highlight if
+ the magic- cookie unattributed spaces required just before the
+ beginning and after the end would step on a non-space
+ character. It will automatically shift highlight boundaries
+ when doing so would make it possible to draw the highlight
+ without changing the visual appearance of the screen.</li>
+
+ <li>It is possible to generate the library with a list of
+ pre-loaded fallback entries linked to it so that it can serve
+ those terminal types even when no terminfo tree or termcap file
+ is accessible (this may be useful for support of
+ screen-oriented programs that must run in single-user
+ mode).</li>
+
+ <li>The tic(1)/captoinfo utility provided with ncurses has the
+ ability to translate many termcaps from the XENIX, IBM and
+ AT&T extension sets.</li>
+
+ <li>A BSD-like tset(1) utility is provided.</li>
+
+ <li>The ncurses library and utilities will automatically read
+ terminfo entries from $HOME/.terminfo if it exists, and compile
+ to that directory if it exists and the user has no write access
+ to the system directory. This feature makes it easier for users
+ to have personal terminfo entries without giving up access to
+ the system terminfo directory.</li>
+
+ <li>You may specify a path of directories to search for
+ compiled descriptions with the environment variable
+ TERMINFO_DIRS (this generalizes the feature provided by
+ TERMINFO under stock System V.)</li>
+
+ <li>In terminfo source files, use capabilities may refer not
+ just to other entries in the same source file (as in System V)
+ but also to compiled entries in either the system terminfo
+ directory or the user's $HOME/.terminfo directory.</li>
+
+ <li>A script (<strong>capconvert</strong>) is provided to help
+ BSD users transition from termcap to terminfo. It gathers the
+ information in a TERMCAP environment variable and/or a
+ ~/.termcap local entries file and converts it to an equivalent
+ local terminfo tree under $HOME/.terminfo.</li>
+
+ <li>Automatic fallback to the /etc/termcap file can be compiled
+ in when it is not possible to build a terminfo tree. This
+ feature is neither fast nor cheap, you don't want to use it
+ unless you have to, but it's there.</li>
+
+ <li>The table-of-entries utility <strong>toe</strong> makes it
+ easy for users to see exactly what terminal types are available
+ on the system.</li>
+
+ <li>The library meets the XSI requirement that every macro
+ entry point have a corresponding function which may be linked
+ (and will be prototype-checked) if the macro definition is
+ disabled with <code>#undef</code>.</li>
+
+ <li>An HTML "Introduction to Programming with NCURSES" document
+ provides a narrative introduction to the curses programming
+ interface.</li>
+ </ul>
+
+ <h1>State of the Package</h1>
+
+ <p>Numerous bugs present in earlier versions have been fixed; the
+ library is far more reliable than it used to be. Bounds checking
+ in many `dangerous' entry points has been improved. The code is
+ now type-safe according to gcc -Wall. The library has been
+ checked for malloc leaks and arena corruption by the Purify
+ memory-allocation tester.</p>
+
+ <p>The ncurses code has been tested with a wide variety of
+ applications including (versions starting with those noted):</p>
+
+ <dl>
+ <dt>cdk</dt>
+
+ <dd>Curses Development Kit<br>
+ <a href=
+ "http://invisible-island.net/cdk/">http://invisible-island.net/cdk/</a><br>
+
+ <a href=
+ "http://www.vexus.ca/products/CDK/">http://www.vexus.ca/products/CDK/</a></dd>
+
+ <dt>ded</dt>
+
+ <dd>directory-editor<br>
+ <a href=
+ "http://invisible-island.net/ded/">http://invisible-island.net/ded/</a></dd>
+
+ <dt>dialog</dt>
+
+ <dd>the underlying application used in Slackware's setup, and
+ the basis for similar applications on GNU/Linux.<br>
+ <a href=
+ "http://invisible-island.net/dialog/">http://invisible-island.net/dialog/</a></dd>
+
+ <dt>lynx</dt>
+
+ <dd>the character-screen WWW browser<br>
+ <a href=
+ "http://lynx.isc.org/release/">http://lynx.isc.org/release/</a></dd>
+
+ <dt>Midnight Commander</dt>
+
+ <dd>file manager<br>
+ <a href=
+ "http://www.midnight-commander.org/">http://www.midnight-commander.org/</a></dd>
+
+ <dt>mutt</dt>
+
+ <dd>mail utility<br>
+ <a href="http://www.mutt.org/">http://www.mutt.org/</a></dd>
+
+ <dt>ncftp</dt>
+
+ <dd>file-transfer utility<br>
+ <a href="http://www.ncftp.com/">http://www.ncftp.com/</a></dd>
+
+ <dt>nvi</dt>
+
+ <dd>New vi versions 1.50 are able to use ncurses versions 1.9.7
+ and later.<br>
+ <a href=
+ "https://sites.google.com/a/bostic.com/keithbostic/nvi">https://sites.google.com/a/bostic.com/keithbostic/nvi</a><br>
+ </dd>
+
+ <dt>pinfo</dt>
+
+ <dd>Lynx-like info browser. <a href=
+ "https://alioth.debian.org/projects/pinfo/">https://alioth.debian.org/projects/pinfo/</a></dd>
+
+ <dt>tin</dt>
+
+ <dd>newsreader, supporting color, MIME <a href=
+ "http://www.tin.org/">http://www.tin.org/</a></dd>
+ </dl>
+
+ <p>as well as some that use ncurses for the terminfo support
+ alone:</p>
+
+ <dl>
+ <dt>minicom</dt>
+
+ <dd>terminal emulator<br>
+ <a href=
+ "http://alioth.debian.org/projects/minicom/">http://alioth.debian.org/projects/minicom/</a></dd>
+
+ <dt>vile</dt>
+
+ <dd>vi-like-emacs<br>
+ <a href=
+ "http://invisible-island.net/vile/">http://invisible-island.net/vile/</a></dd>
+ </dl>
+
+ <p>The ncurses distribution includes a selection of test programs
+ (including a few games).</p>
+
+ <h2>Who's Who and What's What</h2>
+
+ <p>Zeyd Ben-Halim started it from a previous package pcurses,
+ written by Pavel Curtis. Eric S. Raymond continued development.
+ Jürgen Pfeifer wrote most of the form and menu libraries.
+ Ongoing work is being done by <a href=
+ "mailto:dickey@invisible-island.net">Thomas Dickey</a>. Thomas
+ Dickey acts as the maintainer for the Free Software Foundation,
+ which holds the copyright on ncurses. Contact the current
+ maintainers at <a href=
+ "mailto:bug-ncurses@gnu.org">bug-ncurses@gnu.org</a>.</p>
+
+ <p>To join the ncurses mailing list, please write email to
+ <code>bug-ncurses-request@gnu.org</code> containing the line:</p>
+ <pre>
projects / ncurses.git / blobdiff