On 14 Aug 2008, at 19:07, Gilbert Harman wrote:

> (setq default-cursor-type 'hbar)
>
> does not yield the desired cursor-type, at least in Emacs.app.  The  
> cursor continues to be a block cursor.
>
> In the current Carbon Emacs this works (GNU Emacs 22.2.50.1 (i386- 
> apple-darwin9.4.0, Carbon Version 1.6.0) of 2008-07-16 on  
> seijiz.local).


Yes, it's a known problem and I've been working on a patch.   There  
are still some issues with redisplay.