========
comments
========

# anything else here should be ignored

---

(program (comment))

===================
empty block comment
===================

=begin
=end

---

(program (comment))

======================
one-line block comment
======================

=begin
whatever
=end

---

(program (comment))

======================================
block comment with comment after begin
======================================

=begin rdoc
=end

---

(program (comment))


=========================
multi-line block comments
=========================

=begin
whatever
multiple lines of whatever
=end

---

(program (comment))

=========================
multi-line block comments followed by standard comment
=========================

=begin
whatever
multiple lines of whatever
=end
# Another comment

---

(program (comment) (comment))

=========================
multi-line block comments with almost end
=========================

=begin
=e
=en
=end

---

(program (comment))