private void RenderUrl(Tag opening, Tag closing)
{
var url = GetUrl(position);
if (url == null)
{
return;
}
var title = text.Substring(opening.Position + 1, closing.Position - opening.Position - 1);
var newRepr = language.WrapInHtmlUrlTag(title, url);
builder.Append(newRepr);
rendered = closing.Position + closing.Name.Length + url.Length + 2;
}
