[Bug 521533]

[Ross-boylan]

I don't want my previous response to be taken as a vote for the status
quo.  The behavior I would expect is:

1. If I don't hit save my work disappears.(*)  The current application
does not have a save function (as distinct from save as), and I'm pretty
sure that if I fill in a form, exit, and then open the form my old
values will still be there.  Worse, if someone else using the same
account opens the form, they will see my info.

2. If I do save (not just save as) my work will be saved with the file.

In this case I might not expect, but would be pleased if 
3. there were an option to save the form data to a separate file and restore it from a separate file.  I'd guess such a facility is consistent with the 1600 page XFA spec, though I can't say I know where :)

Because the current behavior violates these expectations, it is a
security risk.   Someone's personal information may be exposed in ways
unanticipated, and operations that usually assure security, like not
saving a file or deleting it, will not work.  And operations that are
expected to reveal info, like copying/mailing a pdf or operating on it
with a different program, may instead conceal/disappear the information.

(*) Some usability experts argue that "work disappears if I don't save"
is not the expectation of the lay user, and that our current model of
"you must save to keep your work" is aggravating and unintuitive to
them.  That may well be correct.  But unless the surrounding programs
all start behaving this way, this behavior is undesirable.  An
application that may be dealing with sensitive private information is
not the place to pioneer new interface models.

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https://bugs.launchpad.net/bugs/521533

Title:
  Okular stores form data in a different directory (possible leak of
  private data)

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