Function parse_accessibility_tree_bounded 

pub fn parse_accessibility_tree_bounded<'a, 'b, 'c>(
    document: &'a Html,
    author: &StyleSet,
) -> (BTreeMap<&'a str, Vec<(ElementRef<'a>, Option<NodeId>)>>, Option<TaffyTree>)

try to fix all possible issues using a spec against the tree with bounding boxs.