JD>> The C++ Standard lists the C Standard (ISO IEC 9899:1989
 JD>> plus Addendum 1) as one of its base documents (in the
 JD>> world of standardisation, a base document is one that is
 JD>> either the origin for some of the text, or necessary for
 JD>> the complete understanding of the standard), and also
 JD>> provides tables of C Standard library compatible names
 JD>> and headers in the C++ Standard library for whose
 JD>> behaviour it refers one to the C Standard.
 KK>    So then C++ itself is a derived class?!  
With multiple inheritance even.  ISO 10646 is another base document.
 ¯ JdeBP ®
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