Stefan Seefeld wrote:

>  And I don't use a 'document' class, as that is managed implicitely
>  by my dom::document_ptr:
>  
>  dom::document_ptr document; // create new document;

that should actually become

dom::document_ptr document = dom::make_document("1.0");

or similar to indicate that a new document is to be created.
Then the default constructor can just create an empty pointer.

>  dom::document_ptr doc(document); // create second reference to it
>  dom::document_ptr doc2 = document.clone(); // clone it, i.e. make deep

Stefan

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