8.6.2.11 ProcessingInstruction Objects 
Represents a processing instruction in the XML document; this inherits
from the Node interface and cannot have child nodes.
- target
 
- 
The content of the processing instruction up to the first whitespace
character.  This is a read-only attribute.
 
- data
 
- 
The content of the processing instruction following the first
whitespace character.
 
Release 2.5.4, documentation updated on 23rd December, 2008.
 
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