1.) Please download Document http://downloads.mysql.com/docs/refman-5.1-de.a4.pdf 2.) Try open with nautilus, watch the secutity error message (file content seems to be text not pdf...)
Works fine here, which version of shared-mime-info were you using?
Should have been fixed in 0.18: - Avoid application/pdf files being detected as Matlab documents (as Matlab documents are sub-classes of text/plain) Please reopen if it's not fixed in that version.
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