This document details the changes between this version, bash-4.0-beta2,
and the previous version, bash-4.0-alpha.

1.  Changes to Bash

a.  Fixed a bug that caused failed word expansions to set $? but not
    PIPESTATUS.

b.  Changed filename completion to quote the tilde in a filename with a
    leading tilde that exists in the current directory.

c.  Fixed a bug that caused a file descriptor leak when performing
    redirections attached to a compound command.

d.  Fixed a bug that caused expansions of $@ and $* to not exit the shell if
    the -u option was enabled and there were no posititional parameters.

e.  Fixed a bug that resulted in bash not terminating immediately if a
    terminating signal was received while performing output.

f.  Fixed a bug that caused the shell to crash after creating 256 process
    substitutions during word completion.

2.  Changes to Readline

a.  Fixed a bug that caused redisplay errors when using prompts with invisible
    characters and numeric arguments to a command in a multibyte locale.

b.  Fixed a bug that caused redisplay errors when using prompts with invisible
    characters spanning more than two physical screen lines.

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