[boost] [property_tree] include directive for non-info files

Hi, In Boost.PropertyTree, INFO format has the nice #include directive. But it seems you cannot include other formats. Typically such INFO file, key { #include_xml "my.xml" } with "my.xml" : <root><child>kid</child></root> could give : get<std::string> ("key.root.child") == "kid" A very quick look at info parser makes me think that it would be easy to implement. Any comment ? Regards, Ivan