>> (2) I typically use the following BABEL line:
>>
>> #+BABEL: :session *R* :cache yes :results output verbatim :exports
>> both :tangle
>>
>> How would I express that using the PROPERTY syntax?

> #+PROPERTY: session *R*
> #+PROPERTY: cache yes
> #+PROPERTY: results output verbatim
> etc.
> 
> Or if you've got everything under the same (parent) heading:
> 
> * Top-level heading
>   :PROPERTIES:
>   :session: *R*
>   :cache:  yes
>   :results: output verbatim
>   :exports: both
>   :tangle:  yes
>   :END:

Thanks, Christian.  That seems simple enough.  I had a vague recollection that
there was at one time a proposal to have some kind of continuation lines for
multiple properties.

-- Mike