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@@ -5,6 +5,18 @@ Usage of each interpreter is of the form:
+The Thue interpreter also has several command line switches:
+
+ -l --left Evaluates applicable rules left to right
+ -r --right Evaluates applicable rules right to left
+ -a --random Evaluetes applicable rules randomly (default)
+
+ -1 --ver1 Uses the version 1 parser/interpreter (default)
+ -2 --ver2a Uses the version 2a parser/interpreter
+
+
+
+
Fractran file format is one integer followed by an arbitrary number of
fractions of the form a/b where both a and b are integers and b is not 0.