I need to select the text in a node, but not any child nodes. 
the xml looks like this 

```
<a>
  apples  
  <b><c/></b>
  pears
</a>

```

If I select `a/text()`, all I get is "**apples**". How would I retreive "**apples pears**" while omitting `<b><c/></b>`