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to the CD-ROM image. Make CDEXTRA and CDBUILDEXTRA be able to contain lists of files and directories which are added in turn. Add support for CDEXTRA_SKIP which contains a list of fnmatch(3) items to skip during the copy. This is _very_ useful for skipping CVS dirs for example. CDBUILDEXTRA and CDEXTRA_SKIP are to be used in Makefiles creating the images, CDEXTRA remains to be used from build.sh. Update documentation and build.sh help text to show that -C can be used to specify a list of files and directories rather than just a single dir.