We get complaints all the time from people who've somehow accidentally turned on external editing
support, then get confused when their browser tries to download files on edit.

Erik and I discussed this at Hacking Days, and there was some agreement it might be wise to make
the external editor be launched from a second tab instead of the regular 'edit' tab; this could greatly
reduce the confusion, as well as making it easier to edit from one's own account on another machine
where the editor isn't set up.

Version: unspecified
Severity: minor