Ubuntu
firefox package

  1. Bug #918019
  2. Comment #8

Comment 8 for bug 918019

Revision history for this message
Martin Lorenz (martin-lorenz) wrote : Re: Firefox does not use default application to open PDF files

some posts I found, that might be related:
unfortunately no substantial help in all of those

http://comments.gmane.org/gmane.org.user-groups.linux.portland/37963
http://www.linuxquestions.org/questions/linux-software-2/firefox-zip-default-opener-is-gedit-902998/
http://ubuntuforums.org/showthread.php?p=11229758