combining types which harfbuzz does not support are no longer added to the
tables too, this should make obtaining properties of text faster.
special language table used to probe fonts for scripts support should be
reviewed once new CLDR version is released to add proper language entries
if present in likelySubtags.xml
Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
gets rid of the ICU requirement for the GUI component and since HarfBuzz
does not support all grapheme breaks makes it more optimal
Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>