a href="r5rs-Z-H-14.html#%_sec_7.3">27</a>],
and Algol 60[<a href="r5rs-Z-H-14.html#%_sec_7.3">18</a>].<p>

We also thank Betty Dexter for the extreme effort she put into
setting this report in T<small>E</small>X, and Donald Knuth for designing the program
that caused her troubles.<p>

The Artificial Intelligence Laboratory of the
Massachusetts Institute of Technology, the Computer Science
Department of Indiana University, the Computer and Information
Sciences Department of the University of Oregon, and the