[PATCH] fdo#50950 modify calc functions WEEKNUM(_ADD) to comply with ODFF1.2

[Winfried Donkers]

Hi Eike.

> Now that I wrote the review we don't need it in gerrit (anymore).

I look forward to your comments and probably will modify the code accordingly ;)

> > (same goes for IFERROR() and IFNA() patches)
> If you have something ready for those you can submit it to gerrit, that's fine.

I will, later today.

> > By the way, any suggestions/preferences for the next ODFF1.2 formulas to
> start working on?
> NUMBERVALUE would be good ...

Incidentally, I was looking at the same function :)
I  created bug 57180 for NUMBERVALUE and will start working on it.

Winfried