Hi,
re #1 – it does display ok, but if you try saving it a second time, it actually saves the backslash (and thus displays it on the banner) – so as you say, worth sorting.
Re ‘viewed_cookie_policy’, what happens for me is that if you click the collapse arrow, the banner does disappear. On subsequent pages, the ‘expand’ arrow is shown (no banner). I would prefer that once that banner was shown once, there was no trace of it ever again (i.e. no expand arrow, and the user doesn’t have to actually click ‘collapse’ to remove it in the first place, simply going to any other page will remove it).