Afghan(i)

[Mark Mandel]

Apropos of Barry's restaurant-surfing and other comments, AHD3 says
"afghani" is a unit of currency. Is there any justification for
capitalizing it and using it as the adjective/inhabitant? I've used it
myself, but now I'm dubious.

What does it do that "Afghan" doesn't? It seems to be formed by a careless
analogy to "Pakistani", where the root before "-istan", whatever its
origins, is not an ethnonym.

-- Mark A. Mandel