> This is important for cases such as when a right-to-left user name is presented in the left-to-right message. > In some cases, such as testing, the user may want to disable the isolating. See: https://docs.rs/fluent/latest/fluent/bundle/struct.FluentBundle.html#method.set_use_isolating Signed-off-by: William Casarin <jb55@jb55.com>