Richard Stallman <rms@gnu.org> writes:

> From: Dan Jacobson <jidanni@jidanni.org>
> Subject: Shell-script "done" becomes indented with pipe
> To: emacs-pretest-bug@gnu.org
> Date: Mon, 09 Oct 2006 23:45:58 +0800
> X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=failed 
> 	version=3.0.4
>
> In recent Shell-script mode, the last line of
> while :
> do
>     bla
> done
> becomes indented
>     done|xxx
> if one adds a pipe. I didn't check to see maybe if this is a feature.

This seems to be fixable using the follwing simple patch: