At present, if a section or article being edited does not contain the <
references /> tag, then footnotes will not show up in page preview. This
means you have to commit the edit, then examine the new saved page and re-
Enhancement request -- if the page being rendered for preview contains cite.
php footnotes, AND there is no <references /> tag in the previewed text that
will cause footnotes to be displayed, then the preview code adds a
horizontal line followed by <references /> after the existing text, so that
users can see their proposed footnotes too.