[Libreoffice] Bringing some sanity to interline spacing

[Tor Lillqvist]

> The changes themself look sane, regarding the background Khaled gave and
> knowing part of his work from older days I didn't hesitate much to
> commit this :)

OK, excellect! Khaled, if you want direct commit access, just ask (hmm, file a bug asking for that, is that still the correct procedure?)

> A comment like "The factor 0.3 has been confirmed with
> experiments" doesn't give much confidence in the final correctness of
> that resolution ;)

Heh, indeed.

--tml