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Richard M. Stallman authored
(SUBSTITUTE): New macro. (seen_list): New variable. (substitute_object_in_subtree): New function. (substitute_object_recurse): New function. (substitute_in_interval): New function.
9e062b6c
(SUBSTITUTE): New macro. (seen_list): New variable. (substitute_object_in_subtree): New function. (substitute_object_recurse): New function. (substitute_in_interval): New function.