Normalize args by converting `render “foo”` to
`render action:
“foo”` and `render “foo/bar”`
to `render file:
“foo/bar”`.
# File actionpack/lib/abstract_controller/rendering.rb, line 74
def _normalize_args(action = nil, options = {}) # :doc:
if action.respond_to?(:permitted?)
if action.permitted?
action
else
raise ArgumentError, "render parameters are not permitted"
end
elsif action.is_a?(Hash)
action
else
options
end
end
