<http://schema.org/headline>
"\u7B2C1\u56DE\u3000Firebug\u306E\u57FA\u790E\u77E5\u8B58\u3068\uFF0CFirebug\u3092\u4F7F\u3063\u305F\u958B\u767A\u306E\u30E1\u30EA\u30C3\u30C8"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/dev/feature/01/firebug/0001>