Re: trunk read-key-sequence bug

[Katsumi Yamaoka]

>>>>> Richard Stallman wrote:
> I think this fixes the bug.  Does it give good results in general?

The patch made Emacs trunk and Unicode-2 work like Emacs 22.1
and the one in the EMACS_22_BASE branch, i.e., the prompt string
does not disappear while entering a key sequence.  I think this
is the right behavior.  Thanks.

> *** keyboard.c        04 Jan 2008 00:28:05 -0500      1.936
> --- keyboard.c        19 Jan 2008 14:13:04 -0500
> ***************
> *** 2715,2720 ****
> --- 2715,2722 ----
>     /* if redisplay was requested */
>     if (commandflag >= 0)
>       {
> +       int echo_current = echo_message_buffer == echo_area_buffer[0];
> +
>       /* If there is pending input, process any events which are not
>          user-visible, such as X selection_request events.  */
>         if (input_pending
> ***************
> *** 2738,2743 ****
> --- 2740,2749 ----
>         swallow_events (0);
>         /* If that cleared input_pending, try again to redisplay.  */
>}
> +
> +       if (commandflag == 0 && echo_current)
> +     echo_message_buffer = echo_area_buffer[0];
> +
>}

>     /* Message turns off echoing unless more keystrokes turn it on again.