Jakub and I discussed the other day that it would be useful
to have a page similar to
   https://gcc.gnu.org/projects/cxx-status.html
to provide by-GCC-version information of the which OpenMP are supported.

The list is based on
* https://gcc.gnu.org/onlinedocs/libgomp/OpenMP-Implementation-Status.html
* Some revision archeology by Jakub
* Plus added 5.2 list.

Comments regarding the file, where it is placed and how it is linked to?
I found it simpler to have a single very long line rather than trying
to break it into 80-character lines, but I can also do this reformatting.

Tobias
-----------------
Siemens Electronic Design Automation GmbH; Anschrift: Arnulfstraße 201, 80634 München; Gesellschaft mit beschränkter Haftung; Geschäftsführer: Thomas Heurung, Frank Thürauf; Sitz der Gesellschaft: München; Registergericht München, HRB 106955