commit bash-20101124 snapshot

lib/readline/doc/readline.3

@@ -763,10 +763,14 @@ as if the "!\fIn\fP" history expansion had been specified.
 .B
 yank\-last\-arg (M\-.\^, M\-_\^)
 Insert the last argument to the previous command (the last word of
-the previous history entry).  With an argument,
-behave exactly like \fByank\-nth\-arg\fP.
+the previous history entry).
+With a numeric argument, behave exactly like \fByank\-nth\-arg\fP.
 Successive calls to \fByank\-last\-arg\fP move back through the history
-list, inserting the last argument of each line in turn.
+list, inserting the last word (or the word specified by the argument to
+the first call) of each line in turn.
+Any numeric argument supplied to these successive calls determines
+the direction to move through the history.  A negative argument switches
+the direction through the history (back or forward).
 The history expansion facilities are used to extract the last argument,
 as if the "!$" history expansion had been specified.
 .PD

lib/readline/doc/readline.3~

@@ -492,6 +492,11 @@ completion.
 If set to \fBOff\fP, the leading `.' must be
 supplied by the user in the filename to be completed.
 .TP
+.B menu\-complete\-display\-prefix (Off)
+If set to \fBOn\fP, menu completion displays the common prefix of the
+list of possible completions (which may be empty) before cycling through
+the list.
+.TP
 .B output\-meta (Off)
 If set to \fBOn\fP, readline will display characters with the
 eighth bit set directly rather than as a meta-prefixed escape

lib/readline/doc/rluser.texi

@@ -1120,10 +1120,14 @@ as if the @samp{!@var{n}} history expansion had been specified.
 
 @item yank-last-arg (M-. or M-_)
 Insert last argument to the previous command (the last word of the
-previous history entry).  With an
-argument, behave exactly like @code{yank-nth-arg}.
+previous history entry).
+With a numeric argument, behave exactly like @code{yank-nth-arg}.
 Successive calls to @code{yank-last-arg} move back through the history
-list, inserting the last argument of each line in turn.
+list, inserting the last word (or the word specified by the argument to
+the first call) of each line in turn.
+Any numeric argument supplied to these successive calls determines
+the direction to move through the history.  A negative argument switches
+the direction through the history (back or forward).
 The history expansion facilities are used to extract the last argument,
 as if the @samp{!$} history expansion had been specified.
 

lib/readline/doc/rluser.texi~

@@ -591,6 +591,12 @@ If set to @samp{off}, the leading @samp{.} must be
 supplied by the user in the filename to be completed.
 This variable is @samp{on} by default.
 
+@item menu-complete-display-prefix
+@vindex menu-complete-display-prefix
+If set to @samp{on}, menu completion displays the common prefix of the
+list of possible completions (which may be empty) before cycling through
+the list.  The default is @samp{off}.
+
 @item output-meta
 @vindex output-meta
 If set to @samp{on}, Readline will display characters with the
@@ -1114,10 +1120,14 @@ as if the @samp{!@var{n}} history expansion had been specified.
 
 @item yank-last-arg (M-. or M-_)
 Insert last argument to the previous command (the last word of the
-previous history entry).  With an
-argument, behave exactly like @code{yank-nth-arg}.
+previous history entry).
+With a numeric argument, behave exactly like @code{yank-nth-arg}.
 Successive calls to @code{yank-last-arg} move back through the history
-list, inserting the last argument of each line in turn.
+list, inserting the last word (or the word specified by the argument to
+the first call) of each line in turn.
+Any numeric argument supplied to these successive calls determines
+the direction to move through the history.  A negative argument switches
+the direction through the history (back or forward).
 The history expansion facilities are used to extract the last argument,
 as if the @samp{!$} history expansion had been specified.
 
@@ -1229,7 +1239,7 @@ Kill from point to the end of the current word, or if between
 words, to the end of the next word.
 Word boundaries are the same as @code{shell-forward-word}.
 
-@item backward-kill-word ()
+@item shell-backward-kill-word ()
 Kill the word behind point.
 Word boundaries are the same as @code{shell-backward-word}.
 @end ifset

lib/readline/kill.c

@@ -640,7 +640,7 @@ rl_yank_last_arg (count, key)
     {
       if (undo_needed)
 	rl_do_undo ();
-      if (count < 1)
+      if (count < 0)		/* XXX - was < 1 */
         direction = -direction;
       history_skip += direction;
       if (history_skip < 0)

lib/readline/kill.c~

@@ -147,7 +147,7 @@ _rl_copy_to_kill_ring (text, append)
 	  strcat (new, old);
 	}
       xfree (old);
-      free (text);
+      xfree (text);
       rl_kill_ring[slot] = new;
     }
   else
@@ -601,7 +601,7 @@ rl_yank_nth_arg_internal (count, ignore, history_skip)
 #endif /* VI_MODE */
 
   rl_insert_text (arg);
-  free (arg);
+  xfree (arg);
 
   rl_end_undo_group ();
   return 0;