K 10 svn:author V 8 charnier K 8 svn:date V 27 2000-11-28T18:17:15.000000Z K 7 svn:log V 200 Remove .Op when arg is required (special | filesystem). Document that at least one flag is required and check this in the code. Make use of getopt(3). Generalyze printing `... remains unchanged ...'. END