Logged out users can’t bring up the Plone popup calendar
It’s another one of those ‘strange’ problems that has cropped up, but by default in Plone, users who aren’t authenticated aren’t actually able to bring up a pop-up calendar on a date field.
It’s amazing that I haven’t run into this issue before with something like PloneFormGen, where you’d think that a simple Date input field would be pretty common. Although, I guess it’s the case that even though I’ve used these given forms, I’ve probably never taken much notice of the popup calendar icon and just selected a random date …