https://bugs.documentfoundation.org/show_bug.cgi?id=148257

--- Comment #14 from Mike Kaganski <mikekagan...@hotmail.com> ---
There is nothing like "language group" property of character or paragraph. The
"language group" is just some artificial construct, very problematic itself,
which should be dropped completely at some point if possible, and not increased
in presence by all means. No, there's no need to add it here; setting the
language, or explicitly setting direction and font, should be enough. The
problem that the "language group" tries to solve comes from not all fonts
having all glyphs; and even though there already are *some* fonts with ~wide
coverage (of questionable quality for different scripts), they are still not
predominant, hence the styles include three fonts for respective groups,
allowing each style choose respective font with (supposedly) existing glyphs
whenever the script/language is matching that group (so you have a chimera
three-piece metafont, with specific glyphs coming from one of the three fonts).

This one should be WF; and overall, we definitely need better *concept* for
handling of this complex issue - but the current state is based on (1) state of
the art - fonts have imperfect coverage; (2) legacy (we must support existing
documents having those synthetic metafonts, both in our native formats, and in
external formats using the same concept). IMO, this could only improve *much
later*, when (1) is improved greatly (not something we can change).

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