application/pdf; /usr/bin/evince '%s'; test=test -n "$DISPLAY"
application/postscript; /usr/bin/evince '%s'; test=test -n "$DISPLAY"
application/postscript; /usr/bin/evince '%s'; test=test -n "$DISPLAY"
+application/x-PDFS-Forms,pdf; /usr/bin/evince '%s'; test=test -n "$DISPLAY"
image/x-eps; /usr/bin/evince '%s'; test=test -n "$DISPLAY"
image/eps; /usr/bin/evince '%s'; test=test -n "$DISPLAY"
image/png; /usr/bin/feh '%s'; test=test -n "$DISPLAY"
image/jpg; /usr/bin/feh '%s'; test=test -n "$DISPLAY"
image/gif; /usr/bin/feh '%s'; test=test -n "$DISPLAY"
image/tiff; /usr/bin/feh '%s'; test=test -n "$DISPLAY"
+text/html; /usr/bin/firefox '%s' & sleep 2s; text=test -n "$DISPLAY"