supertext.test

^(a)
~~
(root (paragraph (supertext "a")))

^(a^(b)c)
~~
(root (paragraph (supertext "a" (supertext "b") "c")))

^(\-)
~~
(root (paragraph (supertext "-")))

^(a
b)
~~
(root (paragraph (supertext "a" (newline) "b")))

^(a
~~
(root (paragraph "^(a"))

^(a)b)
~~
(root (paragraph (supertext "a") "b)"))

a)
~~
(root (paragraph "a)"))

^\(a)
~~
(root (paragraph "^(a)"))

\^(a)
~~
(root (paragraph "^(a)"))