Max Nikulin <manikulin@gmail.com> writes:

>> Attaching tentative patch that fixes the problem.
>
> I think it is in the right direction.
> - Manual needs update as well.
> - I would explicitly stress that quotes causes undefined or even 
> dangerous behavior. See e.g. the last paragraph
> https://specifications.freedesktop.org/desktop-entry-spec/latest/ar01s07.html

I have incorporated the above suggestions into the attached version of
the patch.