Sorry for the incorrect links.  I've fixed them below:

On Tue, Apr 4, 2017 at 2:16 PM, Arthur A. Gleckler <> wrote:
Two interesting SRFIs were published right at the new year, but we've received no comments on them, perhaps because of the timing.  If you have a chance, please send feedback or constructive criticism to the associated mailing lists.  We'd love to have feedback from Scheme users and implementers before proceeding.
SRFI 148: Composable macros
SRFI 150: Hygienic ERR5RS Record Syntax (reduced)