Merged from trunk 8199:8207

   Merged from trunk 8199:8207

   | 8200   | Remove slashes that cause problems when unpacking files with  |
   | genone | relative paths (bug #196565)                                  |

   | 8201   | restore proper call logic                                     |
   | genone |                                                               |

   | 8202   | ignore "permission denied" errors when changing perms of news |
   | genone | skipfile that happen when running with user priviledges in    |
   |        | pretend mode                                                  |

   | 8204   | fix comment                                                   |
   | genone |                                                               |

   | 8206   | add some notes about restrictions wrt package sets            |
   | genone |                                                               |

   | 8207   | note that sets can't contain other sets                       |
   | genone |                                                               |

svn path=/main/branches/prefix/; revision=8213