private QilNode CompilePI(XslNode node)
{
QilNode qilName = CompileStringAvt(node.Select);
if (qilName.NodeType == QilNodeType.LiteralString)
{
string name = (string)(QilLiteral)qilName;
_compiler.ValidatePiName(name, (IErrorHelper)this);
}
return _f.PICtor(qilName, CompileInstructions(node.Content));
}