Function pulldown_cmark_to_cmark::cmark

pub fn cmark<'a, I, E, F>(
    events: I, 
    formatter: F, 
    state: Option<State<'static>>
) -> Result<State<'static>, Error> where
    I: Iterator<Item = E>,
    E: Borrow<Event<'a>>,
    F: Write, 

As cmark_with_options, but with default Options.