/usr/share/acl2-6.3/books/xdoc/defsection-tests.lisp is in acl2-books-source 6.3-5.
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; Original author: Jared Davis <jared@centtech.com>
(in-package "XDOC")
(include-book "top")
(defxdoc test :short "Test of defsection")
(defsection foo1
:parents (test)
:autodoc nil
(defun foo1 (x) x))
(defsection foo2
:parents (test)
(defun foo2 (x) x))
(defsection foo3
:parents (test)
:short "Section for foo3"
:long "<p>Foo3 is wonderful.</p>"
(defund foo3 (x) (+ 1 x))
(local (in-theory (enable foo3)))
(defthm natp-of-foo3
(implies (natp x)
(natp (foo3 x))))
(local (defthm foo3-lemma
(implies (equal x 3)
(equal (foo3 x) 4))))
(defmacro foo3-alias (x)
`(foo3 ,x))
(defsection bar
:parents (test)
:short "Section for bar"
:long "<p>Bar is wonderful.</p>"
(defund bar (x) (+ 2 x))))
;; BOZO the theorems in the nested section are leaking out into the superior
;; section... ugh.
(defsection foo3-advanced
:extension foo3
(local (in-theory (enable foo3)))
(defthm posp-of-foo3
(implies (natp x)
(posp (foo3 x))))
(defthm oddp-of-foo3
(implies (evenp x)
(oddp (foo3 x)))))
(defsection foo3-advanced-more
:extension foo3
:long "<h3>Even more theorems!</h3>"
(local (in-theory (enable foo3)))
(defthm integerp-of-foo3
(implies (integerp x)
(integerp (foo3 x)))))
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