Nothing
assert('quote_poem() adds > to the beginning of every line, and two trailing spaces to every line', {
(quote_poem(" ") %==% " ")
(quote_poem("some text.") %==% '> some text.')
(quote_poem("some text.\nsome more text.\neven more text.")) %==%
"> some text. \n> some more text. \n> even more text."
(quote_poem("some text. \nsome more text. \neven more text.")) %==%
"> some text. \n> some more text. \n> even more text."
(quote_poem("some text. \nsome more text. \n\neven more text.")) %==%
"> some text. \n> some more text.\n>\n> even more text."
})
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