pub(crate) const REMOTE_IMAGE_URL_ERROR: &str =
"remote image URLs are not supported; use an inline data URL instead";
pub(crate) fn is_remote_image_url(image_url: &str) -> bool {
image_url.split_once(':').is_some_and(|(scheme, _)| {
scheme.eq_ignore_ascii_case("http") || scheme.eq_ignore_ascii_case("https")
})
}