Setting properties int the IdP to empty strings

[Peter Schober]

* Wessel, Keith <kwessel at illinois.edu> [2021-03-29 20:10]:
> Alternatively, it looks like x-frame-options supports an allow-from
> option if I just want certain sites (our LMSes that are using our
> media sharing service in a frame) to be able to do this, is that
> allow-from actually well supported by browsers?

https://caniuse.com/?search=allow-from
(that's a "no", I guess)

-peter