ound it difficult to understand code written at other
sites.
Fifteen representatives of the major implementations of Scheme therefore
met in October 1984 to work toward a better and more widely accepted
standard for Scheme.
Their report&nbsp;[<a href="r5rs-Z-H-14.html#%_sec_7.3">4</a>]
was published at MIT and Indiana University in the summer of 1985.
Further revision took place in the spring of 1986&nbsp;[<a href="r5rs-Z-H-14.html#%_sec_7.3">23</a>],
and in the spring of 1988&nbsp;[<a href="r5rs-Z-H-14.htm