[m-rev.] for review: announce the change to core library licensing

[Julien Fischer]

Any takers to review this one?  In the absence of any review I will commit
it on Monday.

Julien.

On Thu, 2 Jan 2020, Julien Fischer wrote:

>
> For review bv anyone.
>
> --------------------
>
> Announce the change to the core library licensing.
>
> NEWS:
>    As above.
>
> diff --git a/NEWS b/NEWS
> index 73be100f0..aeb4164ef 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -1,6 +1,21 @@
>  NEWS since Mercury 14.01.x
>  ==========================
>
> +Changes to the core library license
> +-----------------------------------
> +
> +* We have modified the terms under which the Mercury core libraries are
> +  licensed by adding an exception to the requirements of clause 6 for
> +  executable files linked against the Mercury core libraries.
> +
> +  See the file COPYING.LIB for the terms of the Mercury core library
> +  license.
> +
> +  See the file LICENSE for licensing information in general.
> +
> +  The licensing of the compiler and other parts of the system has **not**
> +  been changed.
> +
>  Changes that may break compatibility
>  ------------------------------------
>
>
>