from pathlib import Path

from sympy.utilities.decorator import doctest_depends_on

__doctest_requires__ = ...

def add_mathml_headers(s): ...
@doctest_depends_on(modules=("lxml",))
def apply_xsl(mml, xsl) -> str: ...
@doctest_depends_on(modules=("lxml",))
def c2p(mml, simple=...) -> str: ...