And then, looking at the picture of the Ancient writing on Wikipedia's page for the Ancients (provenance uncertain), I notice that it believes that this is "x" and that this is "q," which is exactly backwards from the values assigned by my nice if bare-bones font.
Does anyone know which one is correct? Is there an authoritative source? Should I just note "these two letters are reversed in some texts, nobody really knows why?"
(And by the way, this is clearly a writing system designed to be written by the left-handed, you'd think it'd go right-to-left.)