* elint-new.el (elint-standard-variables): Add symbols that are
	bound, defined in some C source, and have no help.
	(elint-unbound-variable): Check if symbol has document in DOC, or
	defined or loaded in some file.
	(elint-initialize): mapcar to mapc.
	(elint-find-builtin-args): Adapt to the current function document
	style `(fn ARGS...)'.