commit bash-20150220 snapshot

lib/readline/doc/rltech.texi

@@ -1307,6 +1307,8 @@ expanded value of @var{prompt}.  Save the value of @var{lhandler} to
 use as a handler function to call when a complete line of input has been
 entered.
 The handler function receives the text of the line as an argument.
+As with @code{readline()}, the handler function should @code{free} the
+line when it it finished with it.
 @end deftypefun
 
 @deftypefun void rl_callback_read_char (void)
@@ -1532,7 +1534,14 @@ resetting the terminal to its original state.  If the application's signal
 handler does more than update its idea of the terminal size and return (for
 example, a @code{longjmp} back to a main processing loop), it @emph{must}
 call @code{rl_cleanup_after_signal()} (described below), to restore the
-terminal state. 
+terminal state.
+
+When an application is using the callback interface
+(@pxref{Alternate Interface}), Readline installs signal handlers only for
+the duration of the call to @code{rl_callback_read_char}.  Applications
+using the callback interface should be prepared to clean up Readline's
+state if they wish to handle the signal before the line handler completes
+and restores the terminal state.
 
 Readline provides two variables that allow application writers to
 control whether or not it will catch certain signals and act on them

lib/readline/doc/version.texi

@@ -1,10 +1,10 @@
 @ignore
-Copyright (C) 1988-2014 Free Software Foundation, Inc. 
+Copyright (C) 1988-2015 Free Software Foundation, Inc. 
 @end ignore
 
-@set EDITION 6.3
-@set VERSION 6.3
-@set UPDATED 21 November 2014
-@set UPDATED-MONTH November 2014
+@set EDITION 6.4
+@set VERSION 6.4
+@set UPDATED 22 February 2015
+@set UPDATED-MONTH February 2015
 
-@set LASTCHANGE Fri Nov 21 08:07:14 EST 2014
+@set LASTCHANGE Sun Feb 22 20:32:36 EST 2015