This feature request comes from Support desk:
https://www.mediawiki.org/w/index.php?title=Project:Support_desk&offset=20140702093821#hiding_.22Save_page.22_button_after_click_44929
When the user click twice (accidently) on "Save page" Button, prevent the creation of two new articles. Maybe using jQuery to disable save button (or remove them and add a loading circle).
Version: unspecified
Severity: enhancement