Public bug reported:

When viewing the output of a file in LyX (e.g. View PDF) lyx opens xdg-
open which in turn opens the default viewer (e.g. evince). However, xdg-
open isn't terminated properly, and remains zombie.

After asking in the lyx-devel mailing list, I understood that the xdg-
open functionaility is provided by an Ubuntu patch (and is missing in
the vanilla lyx).

After a while those zombie process can accumulate as it seems nobody
ever reads their return value and terminates them.

Reported on Ubuntu 12.04 with LyX 2.0.2

** Affects: lyx (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: lyx xdg-open zombie

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https://bugs.launchpad.net/bugs/1096666

Title:
  LyX Doesn't Terminate xdg-open (Remains Zombie)

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