Subject: bug#12450: Remove configure's --without-sync-input option.

From: Paul Eggert <[email-masked]>
Date: Fri, 21 Sep 2012 13:50:45 -0700

On 09/17/2012 12:42 AM, Eli Zaretskii wrote:

> There are still a lot of comments in the code that describe the
> non-SYNC_INPUT mode.  For example, see blockinput.h.

Thanks, I've fixed up the blockinput.h comments in the proposed patch
for Bug#12471; please see <http://bugs.gnu.org/12471#20>.  Any other
comments need fixing, please feel free to let me know.