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Mail Archives: djgpp-announce/2017/07/10/14:47:56

Message-Id: <201707101847.v6AIlbWb025424@delorie.com>
Date: Mon, 10 Jul 2017 20:42:27 +0200
From: "Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de) [via djgpp-announce AT delorie DOT com]" <djgpp-announce AT delorie DOT com>
To: djgpp-announce AT delorie DOT com
Subject: ANNOUNCE: DJGPP port of GNU Readline 7.0 uploaded.
Reply-To: djgpp AT delorie DOT com

This is a port of GNU Readline and History libraries 7.0 to MSDOS/DJGPP.


   The Readline library provides a set of functions for use by applications
   that allow users to edit command lines as they are typed in.  Both
   Emacs and vi editing modes are available.  The Readline library includes
   additional functions to maintain a list of previously-entered command
   lines, to recall and perhaps reedit those lines, and perform csh-like
   history expansion on previous commands.

   The history facilites are also placed into a separate library, the
   History library, as part of the build process.  The History library
   may be used without Readline in applications which desire its
   capabilities.


   DJGPP specific changes.
   =======================

   - The port is based on the port of readline 2.2 and uses the termios
     emulation provided by it.  It has been slightly adjusted to work with
     DJGPP 2.05.  It also supports copying from Windows clipboard as the
     readline port from bash does.  Most of the other changes are to handle
     DOS/DJGPP specific slash and backslash issues and to pacify the compiler.

   - The port will check at run time if LFN support is available or not.
     If available, then it will look for ".inputrc" and ".history" as
     configuration files.  If one of them is not available then it will try
     "_inputrc" and/or "_history" as alternative file names.  This means that
     if LFN support is available, the POSIX file names will always be tried
     before the DOS file names are tried.  Of course, if only SFN support is
     available only the DOS versions of the file names will be tried.

   - The port will try to load the system wide configuration file using
     the file name "/dev/env/DJDIR/etc/inputrc" instead of the hard coded
     "/etc/inputrc".  The system wide INPUTRC file is always tried to be
     load if the loading of "~/.inputrc" fails and before "~/_inputrc" is
     tried to be load on LFN systems.

   - If pdcurses is installed it will be used to provide termios functionality
     instead of the one provided by the C-library.  If you prefer the termios
     functionality profided by the C-library you will have to uninstall pdcurses
     before you configure the sources.  The sources have been configured
     without pdcurses support.

   - The port has been configured and compiled on WinXP SP3.  There is no
     guarantee that this may be possible with any other DOS-like OS.  Due
     to the use of long file names it will not be possible to configure and
     compile without LFN support.

   As usual, my changes and the rest of the djgpp specific stuff is stored in
   the /djgpp directory.  To learn how to use the libraries please inspect the
   files in the /examples directory.


   For further information about GNU Readline please read the info docs and
   NEWS file.


   Here is an extract of the NEWS file showing the user visible changes from
   the last port (GNU Readline 6.3) to this one:

-------------------------------------------------------------------------------

This is a terse description of the new features added to readline-7.0 since
the release of readline-6.3.

New Features in Readline

a.  The history truncation code now uses the same error recovery mechansim as
     the history writing code, and restores the old version of the history file
     on error.  The error recovery mechanism handles symlinked history files.

b.  There is a new bindable variable, `enable-bracketed-paste', which enables
     support for a terminal's bracketed paste mode.

c.  The editing mode indicators can now be strings and are user-settable
     (new `emacs-mode-string', `vi-cmd-mode-string' and `vi-ins-mode-string'
     variables).  Mode strings can contain invisible character sequences.
     Setting mode strings to null strings restores the defaults.

d.  Prompt expansion adds the mode string to the last line of a multi-line
     prompt (one with embedded newlines).

e.  There is a new bindable variable, `colored-completion-prefix', which, if
     set, causes the common prefix of a set of possible completions to be
     displayed in color.

f.  There is a new bindable command `vi-yank-pop', a vi-mode version of emacs-
     mode yank-pop.

g.  The redisplay code underwent several efficiency improvements for multibyte
     locales.

h.  The insert-char function attempts to batch-insert all pending typeahead
     that maps to self-insert, as long as it is coming from the terminal.

i.  rl_callback_sigcleanup: a new application function that can clean up and
     unset any state set by readline's callback mode.  Intended to be used
     after a signal.

j.  If an incremental search string has its last character removed with DEL, the
     resulting empty search string no longer matches the previous line.

k.  If readline reads a history file that begins with `#' (or the value of
     the history comment character) and has enabled history timestamps, the history
     entries are assumed to be delimited by timestamps.  This allows multi-line
     history entries.

l.  Readline now throws an error if it parses a key binding without a terminating
     `:' or whitespace.


-------------------------------------------------------------------------------




   The port consists of the usual three packages that have been produced
   using djdev205 and can be downloaded from ftp.delorie.com and mirrors
   as (time stamp 2017-07-09):

     Readline and History 7.0 libraries, headers and info format documentation:
     ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/rdln70b.zip

     GNU Readline 7.0 dvi, html, ps and pdf format documentation:
     ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/rdln70d.zip

     GNU Readline 7.0 source:
     ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/rdln70s.zip


   Send GNU Readline specific bug reports to <bug-readline AT gnu DOT org>.
   Send suggestions and bug reports concerning the DJGPP port to
   comp.os.msdos.djgpp or <djgpp AT delorie DOT com>.


Enjoy.

         Guerrero, Juan Manuel <juan DOT guerrero AT gmx DOT de>

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