On Wed, Mar 28, 2018 at 1:29 PM, Shiro Kawai <xxxxxx@gmail.com> wrote:

Wait, I was wrong.  The canonical way should be 
(cond-expand (srfi-N))

SRFI 0 cond-expand doesn't assume the same set of primitive features as R7RS cond-expand.  In particular, (library (srfi N)) is the right way on R7RS.

John Cowan          http://vrici.lojban.org/~cowan        xxxxxx@ccil.org
A male Jang appeared at my side.  "Get a grip on yourself," he said.
"Get a grip on your graks," I suggested.  --Tanith Lee, Drinking Sapphire Wine