On 12/09/2008, at 5:48 AM, Joseph Wright wrote:

> ! The key `/test/key three' is unknown
> and is being ignored.
> \err_display_aux:w ...wline: and is being ignored}
>
> l.16 \keys_manage:n{/text/key~three}
>
> ?
>
> Notice the odd line \err_diplay ... Have I missed something here?

Isn't this how TeX (annoyingly) always prints these errors?
In LaTeX2e I think there's just some whitespace padding to avert  
attention from it.

> I'm also seeing that I only get the first message of the list I've  
> given,
> despite it being the wrong one!

Me too. I'll see what I can dig up.

Will