Failure when encountering links on a new line

When trying to format a transaction containing a link on the line after the narration, beancount-black throws an exception.

Example file:

2022-08-01 "Payee" "Narration"
  ^reference-XXX
  Assets:Checking     -12345.67 EUR
  Expenses:Other

Exception:

$ bean-black --no-backup example.bean
INFO:beancount_black.main:Processing file example.bean
Traceback (most recent call last):
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\lark\lexer.py", line 528, in lex
    yield lexer.next_token(lexer_state, parser_state)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\lark\lexer.py", line 466, in next_token
    raise UnexpectedCharacters(lex_state.text, line_ctr.char_pos, line_ctr.line, line_ctr.column,
lark.exceptions.UnexpectedCharacters: No terminal matches '^' in the current parser context, at line 2 col 3

  ^reference-XXX
  ^
Expected one of:
        * ACCOUNT
        * _NL
        * METADATA_KEY
        * COMMENT
        * SECTION_HEADER
        * DATE
        * FLAG

Previous tokens: Token('_NL', '\n')

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "c:\program files\python39\lib\runpy.py", line 197, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "c:\program files\python39\lib\runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "c:\users\markus\.local\bin\bean-black.exe\__main__.py", line 7, in <module>
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\click\core.py", line 1130, in __call__
    return self.main(*args, **kwargs)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\click\core.py", line 1055, in main
    rv = self.invoke(ctx)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\click\core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\click\core.py", line 760, in invoke
    return __callback(*args, **kwargs)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\beancount_black\main.py", line 47, in main
    tree = parser.parse(input_content)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\lark\lark.py", line 625, in parse
    return self.parser.parse(text, start=start, on_error=on_error)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\lark\parser_frontends.py", line 96, in parse
    return self.parser.parse(stream, chosen_start, **kw)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\lark\parsers\lalr_parser.py", line 41, in parse
    return self.parser.parse(lexer, start)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\lark\parsers\lalr_parser.py", line 171, in parse
    return self.parse_from_state(parser_state)
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\lark\parsers\lalr_parser.py", line 188, in parse_from_state
    raise e
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\lark\parsers\lalr_parser.py", line 178, in parse_from_state
    for token in state.lexer.lex(state):
  File "C:\Users\Markus\.local\pipx\venvs\beancount\lib\site-packages\lark\lexer.py", line 537, in lex
    raise UnexpectedToken(token, e.allowed, state=parser_state, token_history=[last_token], terminals_by_name=self.root_lexer.terminals_by_name)
lark.exceptions.UnexpectedToken: Unexpected token Token('LINK', '^reference-XXX') at line 2, column 3.
Expected one of:
        * ACCOUNT
        * $END
        * INCLUDE
        * PLUGIN
        * _NL
        * METADATA_KEY
        * COMMENT
        * OPTION
        * SECTION_HEADER
        * DATE
        * FLAG
Previous tokens: [Token('_NL', '\n')]

LaunchPlatform / beancount-black

Failure when encountering links on a new line #7