In WebKit, newlines at the end of input field’s value parameters are removed. This breaks $PRE, so we protect those new lines with a dot and later remove the dot.

This is a javascript based check, executed from the admin menu. If the
data directory is readable, a warning is displayed. Doing this check in
JavaScript makes sure we have a real client side test (opposed to the
check executed from ?do=check)

Question: should this be localized?

Template authors might need to adjust their CSS

When creating new pages, no date field is added in the edit form.