carsten@kragelund.me writes:

>> I do not see much problem adding this.
>> See the attached patch.
>
> Hey, this patch works great, minor issue, I believe
> the line (add-to-list 'org-src-block-faces '(("" highlight))
> in ORG-NEWS has an extra opening parenthesis and should
> be (add-to-list 'org-src-block-faces '("" highlight))

Indeed.
Attaching an updated version of the patch.