> In fact, as I wrote above, lset-adjoin! doesn't make that much sense > because the list argument cannot be mutated anyway because of how > lset-adjoin! is spec'ed. Does any implementation of SRFI 1 actually carry `lset-adjoin!`? I can't find a single Scheme implementation that ships it, not even Guile or scsh. If there are none, could we add a post-finalization note that says the procedure is omitted?
