# pretty-print without parentheses
ast2text -p ../pp/TIL-pretty.pp -i test2.atil -o test2.txt1

# add parentheses to abstract syntax term
../pp/til-parenthesize -i test2.atil | pp-aterm -o test2.atil.par

# pretty-print without parentheses
ast2text -p ../pp/TIL-pretty.pp -i test2.atil.par -o test2.txt2