XML 文書例; <?xml version="1.0" encoding="Shift_JIS" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja" lang="ja"> <head> <title>XHTMLとは何だろうか</title> <meta http-equiv="Content-type" content='text/html; charset="Shift_JIS"' /> </head> <body> <p><a href="http://www.w3.or