Xml declaration in xml::dom
XML::DOM::XMLDecl extends XML::DOM::Node, but is not part of the \s-1DOM\s0 Level 1 specification.
It contains the \s-1XML\s0 declaration, e.g.
<?xml version="1.0" encoding="UTF-16" standalone="yes"?>
See also XML::DOM::Document::getXMLDecl.
\$1
Returns and sets the \s-1XML\s0 version. At the time of this writing the version should always be \*(L"1.0\*(R"
undef may be specified for the encoding value.
undef may be specified for the standalone value.