[m-rev.] for review: Make some cord functions tail recursive.

[Julien Fischer]

On Thu, 13 Jun 2013, Peter Wang wrote:

> Branches: 13.05, master
> ---
>
> Make these functions tail recursive:
>
> 	cord.list
> 	cord.rev_list
> 	cord.cord_list_to_cord
> 	cord.cord_list_to_list
>
> library/cord.m:
> 	As above.

I assume we have tests in the test suite that test the functionality of
the above?

Looks fine otherwise -- I'd like to build the 13.05.1 release sometime
today; do you have any other outstanding changes.

Cheers,
Julien.