[Learnosm-coord] translation header

[althio forum]

On Sat, Dec 13, 2014 at 3:16 AM, Kate Chapman <kate at maploser.com> wrote:
> but what is the goal? To mark what pages aren't translated yet?

To mark the pages that are ongoing translation.

Basically what we are spelling out in CONTRIBUTING.md
> In translation header
> This section of LearnOSM is in the process of being translated. If you would like to assist with translating this site, please see CONTRIBUTING.md.
> Also consider addind the header in the translation language.

I am trying to figure out how this note/warning could be really a
"header" as included in top-banner.
Why not also: how this note/warning could be automatically translated.