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[ANNOUNCEMENT] [Updated]: readline & libreadline5
- From: Nicholas Wourms <nwourms at netscape dot net>
- To: cygwin at cygwin dot com
- Date: Sat, 27 Jul 2002 16:03:32 -0400 (EDT)
- Subject: [ANNOUNCEMENT] [Updated]: readline & libreadline5
- Reply-to: cygwin at cygwin dot com
With the new release of bash, we have a new release of
readline. Now at version 4.3, the changes to readline are
a. Fixed output of comment-begin character when listing
b. Added some default key bindings for common escape
sequences produced by HOME and END keys.
c. Fixed the mark handling code to be more
d. A bug was fixed in the code that prints possible
completions to keep it from printing empty strings in
e. Change the key sequence printing code to print ESC as
M\- if ESC is a meta-prefix character -- it's easier for
users to understand than \e.
f. Fixed unstifle_history() to return values that match the
g. Fixed the event loop (rl_event_hook) to handle the case
where the input file descriptor is invalidated.
h. Fixed the prompt display code to work better when the
application has a custom redisplay function.
i. Changes to make reading and writing the history file a
little faster, and to cope with huge history files
without calling abort(3) from xmalloc.
j. The vi-mode `S' and `s' commands are now undone
k. Fixed a problem which caused the display to be messed up
when the last line of a multi-line prompt (possibly
containing invisible characters) was longer than the
The new features are as follows:
a. Support for key `subsequences': allows, e.g., ESC and
ESC-a to both be bound to readline functions. Now the
arrow keys may be used in vi insert mode.
b. When listing completions, and the number of lines
displayed is more than the screen length, readline uses
an internal pager to display the results. This is
controlled by the `page-completions' variable (default
c. New code to handle editing and displaying multibyte
d. The behavior introduced in bash-2.05a of deciding
whether or not to append a slash to a completed name
that is a symlink to a directory has been made optional,
controlled by the `mark-symlinked-directories' variable
(default is the 2.05a behavior).
e. The `insert-comment' command now acts as a toggle if
given a numeric argument: if the first characters on
the line don't specify a comment, insert one; if they
do, delete the comment text.
f. New application-settable completion variable:
rl_completion_mark_symlink_dirs, allows an application's
completion function to temporarily override the user's
preference for appending slashes to names which are
symlinks to directories.
g. New function available to application completion
rl_completion_mode, to tell how the completion function
was invoked and decide which argument to supply to
rl_complete_internal (to list completions, etc.).
h. Readline now has an overwrite mode, toggled by the
`overwrite-mode' bindable command, which could be bound
i. New application-settable completion variable:
rl_completion_suppress_append, inhibits appending of
rl_completion_append_character to completed words.
j. New key bindings when reading an incremental search
string: ^W yanks the currently-matched word out of the
current line into the search string; ^Y yanks the rest
of the current line into the search string, DEL or ^H
deletes characters from the search string.
The test flag was removed a few days ago and the should be
available for download immediately.
I have monitored the bash/readline mailing lists, and have
seen no issues to be concerned about. This package has been
tested, and seems to be in good working order. Before you
ask, Chuck is still the maintainer, I've just step in to
help him while he is away. *DO NOT*, I REPEAT, *DO NOT*
E-MAIL him with your questions/bugs/etc. The preferred
place for such discussion is email@example.com.
To update your installation, click on the "Install Cygwin
now" link on the http://cygwin.com/ web page. This
downloads setup.exe to your system. Then, run setup and
update the readline package -- and also install the
Note that we have recently stopped downloads from
sources.redhat.com (aka cygwin.com) due to bandwidth
limitations. This means that you will need to find a
mirror which has this update.
In the US,
is a reliable high bandwidth connection.
In the UK,
is usually up-to-date within 48 hours.
If one of the above doesn't have the latest version of this
package then you can either wait for the site to be updated
or find another mirror.
If you have questions or comments, please send them to the
Cygwin mailing list at: firstname.lastname@example.org . I would
appreciate if you would use this mailing list rather than
emailing me directly. This includes ideas and comments
about the setup utility or Cygwin in general.
If you want to make a point or ask a question, the Cygwin
mailing list is the appropriate place.
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