Updated: readline-5.2.1-4, libreadline6-5.2.1-4
Sat Dec 16 00:39:00 GMT 2006
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A new release of readline and libreadline6, 5.2.1-4, is available for use,
replacing 5.2-3 as the current version. 5.1-5 remains the previous
version, to match the fact that a previous version of bash 3.1 is still
This is a minor upstream patch release. It officially incorporates the
patch for the prompt display bug that I worked around in 5.2-3.
This version is not strictly binary compatible with readline 5.1; but the
only incompatibility is the removal of a cygwin-specific entry point that
the cygwin-specific bash 3.0 (but not bash 3.1) depended on. Now that
bash 3.0 is no longer available from the cygwin mirrors, I felt it safe to
drop that cygwin-specific patch.
This version is not strictly behaviorally compatible with readline 5.1. A
case has been reported where tab completion using bash 3.1 and readline
5.2 does not work quite right. It is best to stick with either bash
3.1/readline 5.1, or upgrade both programs to bash 3.2.x/readline 5.2.x.
When you use setup.exe to upgrade, this should happen automatically.
See also the upstream documentation in /usr/share/doc/readline-5.2/.
The readline library will read a line from the terminal and return it,
allowing the user to edit the line with emacs or vi editing keys. It also
allows a history feature, for editing previous entries, making command
line interfaces easier-to-use and more intuitive.
libreadline6 provides the .dlls needed for readline and history expansion
for dynamic linking in other programs, including bash and gdb; it is
required for a minimal cygwin installation. The 6 in libreadline6
distinguishes incompatible API changes made to the prior libreadline4 and
libreadline5 libraries still available on the mirrors. readline provides
the documentation and the static libraries required for static linking;
you should only need it if you plan on compiling an application that links
with -lreadline or -lhistory.
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.
Save it and run setup, answer the questions and pick up 'libreadline6'
from the 'Base' category (it should already be selected), or 'readline' in
the 'Devel' category. Be sure that you do not have any cygwin programs
running during the upgrade.
Note that downloads from sources.redhat.com (aka cygwin.com) aren't
allowed due to bandwidth limitations. This means that you will need to
find a mirror which has this update, please choose the one nearest to you:
If you want to make a point or ask a question the Cygwin mailing list is
the appropriate place.
volunteer cygwin readline maintainer
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