(in-package "ACL2")
(include-book "dollar-test1")
(include-book "dollar-test1$")
(include-book "dollar-test2.foo")
(include-book "dollar-test2.foo$")
(include-book "dollar-test3.bar")
(include-book "dollar-test3.$bar")
(include-book "dollar$test4")
(include-book "dollar$test$5")
(include-book "dollar$test$$6")
