=head1 NAME

XML::DOM::ProcessingInstruction - An XML processing instruction in XML::DOM

=head1 DESCRIPTION

XML::DOM::ProcessingInstruction extends L<XML::DOM::Node>.

It represents a "processing instruction", used in XML as a way to keep 
processor-specific information in the text of the document. An example:

 <?PI processing instruction?>

Here, "PI" is the target and "processing instruction" is the data.

=head2 METHODS

=over 4

=item getTarget

The target of this processing instruction. XML defines this
as being the first token following the markup that begins the
processing instruction.

=item getData and setData (data)

The content of this processing instruction. This is from the
first non white space character after the target to the
character immediately preceding the ?>.

=back