Will Robertson wrote:
> On 06/11/2008, at 4:40 PM, Joseph Wright wrote:
> 
>> \use_none_delimit_by_q_recursion_stop:
> 
> Hmmm, I can see it in my version of l3quark, line 375. I'm on rev. 840
> of the repository, but I don't think this code has changed in a little
> while...

Is l3quark loaded by l3tlp?  I ask because if I try
\show\tlp_map_break:w, I get = undefined. The definitions say:

\let_new:NN \tlist_map_break:w \use_none_delimit_by_q_recursion_stop:w
\let_new:NN \tlp_map_break:w \tlist_map_break:w

so loading order is important.
-- 
Joseph Wright