elementXml contains <elem><stage>Content></stage> rather than the expected <elem><stage>Content></stage></elem>.
When parsing ```<elem><stage>Content></stage></elem>``` with
```
XMLReaderElement reader("elem");
reader
.RawData(elementXml)
.Element("stage", stageContent)
.RawData(stageXml)
.End("stage")
.End("elem");
```
elementXml contains ```<elem><stage>Content></stage>``` rather than the expected ```<elem><stage>Content></stage></elem>```.
When parsing
<elem><stage>Content></stage></elem>
withelementXml contains
<elem><stage>Content></stage>
rather than the expected<elem><stage>Content></stage></elem>
.