This is the online CDF documentation directory.  This directory contains the
following files/subdirectories...

     cdf20/           Release-specific documentation for CDF V2.0.
     cdf21/           Release-specific documentation for CDF V2.1.
     cdf22/           Release-specific documentation for CDF V2.2.
     cdf23/           Release-specific documentation for CDF V2.3.
     cdf24/           Release-specific documentation for CDF V2.4.
     cdf25/           Release-specific documentation for CDF V2.5.
     cdf26/           Release-specific documentation for CDF V2.6.
     cdf27/           Release-specific documentation for CDF V2.7.
     cdf30/           Release-specific documentation for CDF V3.0.
     forms/           CDF-related forms (eg. problem reports).
     mail-archives/   CDF-related mailing list information.
     papers/          CDF-related papers.