owncloud/documentation — pull request #586 by LukasReschke (2014-10-01 15:50:46+00:00)
Title: Clarify the documentation about the preview system a little bit more

The security notice needs also to be in the 7.0.3 release notes.

@carlaschroder Do whatever you want with it. Feel free to remove sentences, add them or ignore this PR at all ;-)