One can argue that it is a case of bad use of the framework, but as it is supposed to be used by regular users (not computer nerds) i think these are still issues.
there may be more, those 2 are the only ones my user could "find out".
I think the page shouldn't be in the options in the first case.
The second is maybe a bit trickier, but a form error would be nice.
I think it's a very valid complaint.
I could reproduce the 'redirect' issue but not the 'inherit plugins from page' issue.
Started working on #1019, it should prevent the issue in most cases,
however it's really insanely hard to cover edge-cases (especially for
home-pages) since it's not trivial to check if a page will be the
homepage or not.
added test for #1019
added fix for #1019.
This fix is done by ignoring redirects to self