This summary for XY 1.7 [1] seems a better writeup of what XY actually is and the 1.7 links at the bottom of OP also provide terse documentation. >XY is a dire

This summary for XY 1.7 [1] seems a better writeup of what XY actually is and the 1.7 links at the bottom of OP also provide terse documentation. >XY is a direct descendant of the vector language K and the concatenative language Joy. [1] http://www.nsl.com/k/xy/xy.txt http://www.nsl.com/k/xy/xy.txt