Can eof be read from a lexbuf more than once by an ocamllex lexer?
In particular is a recursive lexer matches an eof and
returns to its caller, can the parent caller still read
another eof?

In other words, is the character stream postpended by one eof
or an infinite stream of them?

-- 
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net