PangolinTurtle/aop-r7rs: Libraries and exercises pertainin to Scheme and the Art of Programming by Springer & Friedman

Jason K. MacDuffie 9eb56846c5 rename tests for 12.22		6 months ago
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12.exercises.scm	0e10fdc9c2 move word frequency maker outside the exercise procedure	6 months ago
12.tests.scm	9eb56846c5 rename tests for 12.22	6 months ago