Let's add some `<attributes>` and a `<level>` to every tag, to make sure they are not lost. A full tag description in reality looks like:

```xml
<tag>
  <label>github</label>
  <markdown>some text</markdown>
  <level>INFO</level>
  <attributes>
  <attribute>
    <name>headUser</name>
    <value>yegor256</value>
  </attribute>
</tag>
```

See for example sources of this page: http://www.rultor.com/s/rultor?open=2013-10-16T15:00:00Z+rultor-on-pull-request+urn:facebook:1531296526