Function from_read_rich 

pub fn from_read_rich<R>(
    input: R,
    width: usize,
) -> Result<Vec<TaggedLine<Vec<RichAnnotation>>>, Error>
where
    R: Read,

Reads HTML from input, and returns text wrapped to width columns.

The text is returned as a Vec<TaggedLine<_>>; the annotations are vectors of RichAnnotation. The “outer” annotation comes first in the Vec.