> Regarding Samaritan, there is a group of modern users certainly. This > page http://www.orindalodge.org/kadoshsamaritan.php has a number of > interesting links on it. Masonic scholars apparently differentiate > between Hebrew and Samaritan.
Yes. And looking at page 5 of: http://www.orindalodge.org/fonts/kadosh_samaritan_manual_1_10.pdf The rendering rules are different for each script since there are cases where one Samaritan glyph maps to two different Hebrew glyphs and so these glyphs are repeated at other code points in the font.

