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5  Appendices

Most of the material in the appendices is not new.  It is simply a summary of information in the Standard, collated for the convenience of users of the Standard. 

New (advisory) information is found in Appendix E (Common Warnings)  and in Appendix F.5 (Common Extensions).  The section on common extensions is provided in part to give programmers even further information which may be useful in avoiding features of local dialects of C.