[m-rev.] diff: add a test case for list.split_upto/4 and list.take_upto/3

[Mark Brown]

Hi Julien,

On Wed, Jun 8, 2016 at 4:21 PM, Julien Fischer <jfischer at opturion.com> wrote:
> I am inclined to change the behaviour of both of these predicates so
> that they throw an exception if their first argument is negative.
> Opinions?

I agree with this change.

Mark