def destination(dest)
      dest = @site.in_dest_dir(dest)
      @site.in_dest_dir(dest, Jekyll::URL.unescape_path(url))
    end
def destination(dest)
      dest = @site.in_dest_dir(dest)
      @site.in_dest_dir(dest, Jekyll::URL.unescape_path(url))
    end
Obtain destination path.

 dest - The String path to the destination dir.

 Returns destination file path.