SRFI libraries
--------------

- `(srfi 1)
  <http://srfi.schemers.org/srfi-1/>`_

  List library.

- `(srfi 8)
  <http://srfi.schemers.org/srfi-8/>`_

  ``receive`` macro.

- `(srfi 17)
  <http://srfi.schemers.org/srfi-17/>`_

  Generalized set!

- `(srfi 26)
  <http://srfi.schemers.org/srfi-26/>`_

  Cut/cute macros.

- `(srfi 43)
  <http://srfi.schemers.org/srfi-43/>`_

  Vector library.

- `(srfi 60)
  <http://srfi.schemers.org/srfi-60/>`_

  Bitwise operations.

- `(srfi 95)
  <http://srfi.schemers.org/srfi-95/>`_

  Sorting and Marging.

- `(srfi 111)
  <http://srfi.schemers.org/srfi-111/>`_

  Boxes