/// Return `true` if `sugg` is enclosed in parenthesis.
fn has_enclosing_paren(sugg: impl AsRef<str>) -> bool {
let mut chars = sugg.as_ref().chars();
/// Return `true` if `sugg` is enclosed in parenthesis.
fn has_enclosing_paren(sugg: impl AsRef<str>) -> bool {
let mut chars = sugg.as_ref().chars();