K 10 svn:author V 3 jkh K 8 svn:date V 27 1997-06-29T10:41:49.000000Z K 7 svn:log V 257 Add support for @option preserve - moves existing files out of the way before replacing them (using pkgname to make this hopefully unique). Delete also moves them back, if they exist, resulting in a package which can be "backed out" with reasonable safety. END