* reject user who haven't pass registration to get BM permission
 * check system overload flag again before starting service
 * also set overload flag when ack queue exceed boundary
 * fix the wrong display when dymaxactive > MAX_ACTIVE
 * add common binding (eg, %, a, A) to minimore
 * fixing delete_records, which caused 'recent log' to be shifted incorrectly
 * remove the default order song message and force non-blank input
 * add AID to cross-post articles (idea by sunev@PttSuggest)
 * add comments on the breaking-emacs-compatibility issue
 * add prompt for kind of 'post/mail/reply' (idea from PttSuggest)
 * add experimental AID support inside pager
 * add message for insufficient perm to chatroom
 * allow BM to cross-post articles to their own board, by mail-cross-post or board-cross-post.
 * the reason to relax such rule is, many personal boards may forward lots or series articles.
   * if any BM is using this feature in inproper way, we can fire him.
 * highlight BM cross-post status
 * let BM abort 'validate list' and provide more information.
 * let global gamble (openticket) support recent vice log
 * make entropy ratio in editor customizable
 * fix: if BM dropped connection before answering 'badpost', btotal would go wrong
 * fix: 'badpost' question has wrong ANSI stuff
 * add comment for the known issue of 'use cross-post to create reserved title prefix'
 * code refine: clang-safe
 * code refine: prevent arbitary format identifier
 * code refine: prevent printf-format security issue