Adding and removing namespaces
The XPath Helper dialog displays a list of namespaces on the Namespaces tab. They are used for evaluating the XPath expression. You can add or remove namespace entries from this tab.
To add or remove a namespace
1. Select the Namespaces tab in the right pane of the XPath Helper dialog.
A list of all namespaces found in the root node of the document tree is shown.
2. To add a namespace:
a. Click 
. b. In the resulting Add Namespace dialog, specify a prefix and a namespace URI.
c. Click OK.
3. To remove a namespace:
a. On the Namespaces tab, select the namespace you want to remove.
b. Click 
. c. Click OK to confirm the removal of the namespace.