A pity that Nicklas did not answer in this thread, see his answer in
https://lists.osgeo.org/pipermail/grass-dev/2021-February/094913.html
I have not studied the different C standards and the state of their
implementation in different compilers and their different versions in
depth, and thus
> On 1 Feb 2021, at 08:56, Moritz Lennert wrote:
>
> Thanks for the clarification.
>
> In light of that I agree that we should choose the oldest standard possible,
> unless we _really_ need something only present in a more recent version.
>
> @those who want to use more recent standards:
