tin(1)                                         Usenet newsreader                                        tin(1)

NAME
      tin, rtin - Usenet newsreader

SYNOPSIS
      tin  [[-h|-H|-V] |  [[[-a]  [-dlnq|-Q]  [-ArzxX]] [[-R|-S] -s News_dir] [-cuvZ] [-4|-6] [-N|-M address]
      [-o|-w]] [-D debug_level] [-G article_limit] [-f newsrc_file] [-g server] [-m Mail_dir] [-p  port]  [-I
      index_dir] [newsgroup[,...]]]

DESCRIPTION
      tin is a full-screen easy to use Usenet newsreader. It can read news locally (e.g., /var/spool/news) or
      remotely (rtin or tin -r option) via an NNTP (Network News Transport Protocol) server. It will automat‐
      ically  utilize NOV newsoverview(5) style index files if available locally or via the NNTP [X]OVER com‐
      mand (RFC2980, RFC3977).

      tin has four separate levels of operation: Selection level,  Group  level,  Thread  level  and  Article
      level. Use the Help ('h') command to view a list of the commands available at a particular level.

      On  startup  tin  will show a list of the newsgroups found in ${TIN_HOMEDIR:-"$HOME"}/.newsrc. An arrow
      '->' or highlighted bar will point to the first newsgroup. Move to a group by using the terminal  arrow
      keys  (terminal  dependent)  or  Down  ('j') and Up ('k'). Use PgUp/PgDn (terminal dependent) or PageUp
      ('^U') (CTRL-U) and PageDown ('^D') (CTRL-D) to page up/down. Enter a newsgroup by pressing '<CR>'.

      The GroupNextUnreadArtOrGrp ('<TAB>') key enters the next newsgroup with unread articles.

EXIT STATUS
      0      Successful program execution. No unread news available in batch mode.

      1      Usage, syntax, configuration file or network error.

      2      Unread news available (batch mode (''-Z'') only).

      3      NNTP error.

OPTIONS
      -4          Force connecting via IPv4 to the remote NNTP server. Only available when  build  with  IPv6
                  support.

      -6          Force  connecting  via  IPv6 to the remote NNTP server. Only available when build with IPv6
                  support.

      -a          Toggle ANSI color (default is off).

      -A          Force authentication on initial connect. Only available when reading via NNTP.

      -c          Create/update index files for every group in ${TIN_HOMEDIR:-"$HOME"}/.newsrc or file speci‐
                  fied by the ''-f'' option and mark all articles as read.

      -d          Don't load newsgroup descriptions and servers message of the day (interactive mode).

      -D debug-level
                  Enter  debug-level  (1 = NNTP, 2 = filter, 4 = newsrc, 8 = threading, 16 = memory, 32 = at‐
                  tributes, 64 = misc, 128 = remove existing debug files).  For  NNTP-level  ''-v''  controls
                  the verbosity of the output.

      -f file     Use   the   specified   file   of   subscribed   to  newsgroups  in  place  of  ${TIN_HOME‐
                  DIR:-"$HOME"}/.newsrc.

      -g server   Use the server  and  newsrc  specified  in  ${TIN_HOMEDIR:-"$HOME"}/.tin/newsrctable.  Only
                  available when reading via NNTP.

      -G article-limit
                  Limit  the  number  of articles/group to retrieve from the server.  If article-limit is > 0
                  not more than the last article-limit articles/group are fetched from the server.  If  arti‐
                  cle-limit  is  <  0  tin will start fetching articles from your first unread minus absolute
                  value of article-limit. Default is 0, which means no limit.

      -h          Help listing all command-line options.

      -H          Brief introduction to tin that is also shown the first time it is started.

      -I dir      Directory  in  which  to  store  newsgroup  index  files.  Default   is   ${TIN_INDEX_NEWS‐
                  DIR:-"${TIN_HOMEDIR:-"$HOME"}/.tin"}/.news.  This option has no effect if tin retrieves its
                  index files via NNTP and cache_overview_files is turned off.

      -l          Get number of articles per group from the ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-ac‐
                  tive}  file.  If  reading via NNTP this is done with the LIST command (RFC3977). This might
                  result in incorrect article counts but is usually faster than the default which is to  read
                  the  ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active}  file  (either  directly  or via
                  LIST) and then check the article count via NNTP GROUP command (RFC3977) ''-ln''. If reading
                  via NNTP and LIST COUNTS (RFC6048) is available that is used instead as it gives more accu‐
                  rate article counts.

      -m dir      Mailbox directory to use. Default is ${TIN_HOMEDIR:-"$HOME"}/Mail.

      -M user     Mail unread articles to specified user for later reading. For more information read section
                  "AUTOMATIC MAILING AND SAVING NEW NEWS".

      -n          Only  load  groups from the ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active} file that
                  are subscribed to in the user's ${TIN_HOMEDIR:-"$HOME"}/.newsrc. This allows  a  noticeable
                  speedup  when  connecting  via a slow line, but tin may not be able detect which groups are
                  moderated. See also ''-l''.

      -N          Mail unread articles to yourself for later reading. For more information read section  "AU‐
                  TOMATIC MAILING AND SAVING NEW NEWS".

      -o          Quick post all postponed articles and exit. In order for this to be really quick, it should
                  be used with ''-n'' if possible.

      -p port     Port to use if reading via NNTP (default is 119). This also overrides the environment vari‐
                  able $NNTPPORT if set. Only available when reading via NNTP.

      -q          Don't check for new newsgroups and skip loading the servers message of the day.

      -Q          Quick start. Start tin as quickly as possible. Currently this is equivalent to ''-dnq''.

      -r          Read  news  remotely  from  the  default  NNTP server specified in the environment variable
                  $NNTPSERVER or contained in the file /etc/news/server.

      -R          Read news saved by the ''-S'' option.

      -s dir      Save/read articles to/in directory. Default is ${TIN_HOMEDIR:-"$HOME"}/News.

      -S          Save unread articles for later reading by the ''-R'' option. For more information read sec‐
                  tion "AUTOMATIC MAILING AND SAVING NEW NEWS".

      -u          Create/update index files for every group in ${TIN_HOMEDIR:-"$HOME"}/.newsrc or file speci‐
                  fied by the ''-f'' option. This option is disabled if tin retrieves its index files via  an
                  NNTP server and cache_overview_files is turned off.

      -v          Verbose  mode for ''-c'', ''-D'', ''-M'', ''-N'', ''-S'', ''-u'' and ''-Z'' options. Can be
                  used multiple times to increase verbosity.

      -V          Print version and date information.

      -w          Quick mode to post an article and then exit. This option implies ''-d''. In order for  this
                  to be really quick, it should be used with ''-n'' if possible.

      -x          No-posting mode. You cannot post articles if you use this option.

      -X          No    overwrite    mode.   ${TIN_HOMEDIR:-"$HOME"}/.newsrc   and   files   in   ${TIN_HOME‐
                  DIR:-"$HOME"}/.tin will not be overwritten but may be created if they don't exist.

      -z          Only start tin if there is any new/unread news. If there is news tin will  position  cursor
                  at first group with unread news. Useful for putting in login file.

      -Z          Check if there is any new/unread news and exit with appropriate status. If ''-v'' option is
                  specified the number of unread articles in each group is printed. An exit code 0  indicates
                  no  news,  1  that  an error occurred and 2 that new/unread news exists. Useful for writing
                  scripts.

      tin can also dynamically change its options by the OptionMenu ('M') command. Any changes are written to
      ${TIN_HOMEDIR:-"$HOME"}/.tin/tinrc.  For  more  information  see section "GLOBAL OPTIONS MENU AND TINRC
      CONFIGURABLE VARIABLES" and tin(5).

      A list of groups can be specified after the other command-line options. This can be useful if you  wish
      to  yank  in  or subscribe to a hand-picked subset of the active newsgroups. See the section "NEWSGROUP
      LISTS & WILDCARDS" for the types of pattern that tin understands.

      If you specify a single group-name, or a wildcard that matches a single group, then you will  automati‐
      cally  enter  that  group.  Otherwise  the  normal group selection screen will appear, but with all the
      matching groups present too, as though you had yanked just those groups in.

      With the ''-w'' flag a given group-name is used as default group to post to. If more than one group  or
      a wildcard is specified only the first group respectively the first group that matches is used.

      Once  you  use SelectYankActive ('y') to yank in all active groups, or SelectToggleReadDisplay ('r') to
      toggle the read/unread status, then the command-line groups will be gone. You can use SelectSyncWithAc‐
      tive ('Y') to reread the ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active} file and get them back.

      NB:  With the ''-n'' flag, only unsubscribed groups in the ${TIN_HOMEDIR:-"$HOME"}/.newsrc file (or the
      newsrc-file given by the ''-f'' command-line switch  or  via  ${TIN_HOMEDIR:-"$HOME"}/.tin/newsrctable)
      can be matched.

      Command-line options have higher priority than attributes and tinrc options.  Thus, command-line option
      takes precedence over configured values.

USAGE
  NEWS ADMINISTRATION
      Maintaining Netnews on large networks of machines can be a pretty time consuming job  as  I  discovered
      when I was given the job of maintaining our news system and news users.

      A user starting tin for the first time can be automatically subscribed to a list of newsgroups that are
      deemed appropriate by the news administrator. The subscriptions file should be created in your news lib
      directory  (i.e.,  ${TIN_LIBDIR:-NEWSLIBDIR}/subscriptions)  and  should be world readable. If you read
      news via NNTP, then your news server must support the LIST SUBSCRIPTIONS command. It  is  part  of  the
      NNTP List Extensions (RFC6048) and all modern servers should understand it.

  SCREEN FORMAT
      tin  has  four  separate  levels  of  operation: Selection level, Group level, Thread level and Article
      level.

      At the Selection level the title displays (the name of the news server and) the  number  of  subscribed
      groups  (containing new unread articles). The newsgroups are displayed in the middle of the screen usu‐
      ally with the number of unread articles displayed on the same line in front, but it can  be  customized
      via select_format.

      ->M    1     2  comp.security.announce  Announcements from the CERT abou
        M    2     1  news.admin.announce     Announcements for news adminstra
             3    22  news.software.misc      News-related software other than
             4  1475  news.software.nntp      The Network News Transfer Protoc
        X    5   124  news.software.readers   Discussion of software used to r

      There may also be a character prefixing the line. An explanation follows:

      u         This  group  is unsubscribed. To see only your subscribed groups use the SelectToggleReadDis‐
                play ('r') or SelectYankActive ('y') toggle keys.

      M         This is a moderated group. Any posts you make will have to be approved by the group  adminis‐
                trator before it will be made public. tin will ask for confirmation before you post to a mod‐
                erated group.

      N         This is a new newsgroup which has been created since you last used tin.  New  newsgroups  are
                not  subscribed to by default (However, see the $AUTOSUBSCRIBE / $AUTOUNSUBSCRIBE environment
                variables).  Subscribe to it in the normal way if you wish the group to continue to appear in
                your  Selection  Menu.  Simply  ignore new newsgroups and they will be gone the next time you
                start tin. You will have to yank in all the groups to find them in a later session.

      D         This group no longer exists. If you no longer wish to see this group then unsubscribe from it
                in the normal way. This flag will only appear if you have set strip_bogus to "ask" in the Op‐
                tions Menu.

      X         You may no longer make posts to this group. Often a group will be superseded by a more appro‐
                priately named one.

      =         This  group  has  been renamed and you may no longer post to it. If you do, then you will re‐
                ceive an error from your news server telling you the correct group to post to.

      At the Group level the title contains the name of the group, the number of  conversation  threads,  the
      abbreviated  threading  method  (thread_articles), the limit of articles to get (if set; getart_limit),
      the total number of (unread) articles (art_marked_read or art_marked_unread), the number of  hot  arti‐
      cles  art_marked_selected, the number of read hot articles (if any; art_marked_read_selected), the num‐
      ber of recent articles (art_marked_recent) and the number of killed articles (art_marked_killed). I.e.:

                  alt.sources (5B -50/23+ 0* 3o 0K)

      The characters after the numbers are depending to the configuration and if your  are  in  show_only_un‐
      read_arts  mode  or  not. Some numbers could be missing if the specific option is not enabled. It might
      also contain an 'M', 'X' or '=' (see above; doesn't work with the ''-n'' command-line switch!)  if  the
      group is moderated, set to no posting or postings to it get redirected.

      If a thread has unread articles it is marked with art_marked_unread in front of the total number of ar‐
      ticles in the thread. If there  are  recent  articles  within  the  thread  it  might  be  marked  with
      art_marked_recent  in  front  of the total number of articles in the thread — this is controlled by the
      recent_time option. If a thread has hot articles in it (see also  section  "FILTERING  ARTICLES")  it's
      marked  with  art_marked_selected in front of the total number of articles in the thread. The number of
      lines of the first (unread) article in the thread might also be shown right before the subject  —  this
      is controlled by the show_info option. The display can be customized via group_format.

                      de.admin.net-abuse.announce (11B 13+ 1* 1o 0K) M

      ->   1   +   3  108 bincancels in de.talk.sex        Christopher Lueg <l
           2   +       69 EMP/ECP gecancelt. xynx. BI= 10  Henning Weede <hwee
           3   o       93 EMP gecancelt. SouthBeach/Palms  Henning Weede <hwee
           4   *      368 <1997-11-12> Fremdcancel-FAQ     Thomas Roessler <ro

      At  the Thread level the screen usually (depends on the threading method used) looks like this, but can
      be customized via thread_format:

      ->   1      [   7]  What is this funny tree in the thr  Robert F. Simmig
           2      [  12]  +->                                 Sephan Wagner <s
           3      [ 230]  | `->Tin thread-level (was: What is Bob Johnson <bob
           4      [  22]  `->tin threading menu               Brian Richardson

      At the Article level the page header has the following format:

      Sun, 28 Dec 1997 21:21:01   de.admin.news.groups      Thread   20 of 86
      Lines 50   Re: EINSPRUCH zu RESULT:de.comm.mobil.ALL   Article  47 of 59
      Urs Janssen <[email protected]>        at Arbeitskreis Kultur und Kommunikati

      article-body

      The look of the Selection, Group and Thread level can be customized. See the section  "CUSTOMIZING  THE
      SCREEN FORMAT".

  COMMON MOVING KEYS
      This table shows the common keys used for moving around all levels within tin.
                                   ANSI/vt100   Other Terminals
             Beg. of list/article  Home         FirstPage (^)
             End of list/article   End          LastPage ($)
             Page Up               PgUp         PageUp (u, ^U or ^B)
             Page Down             PgDn         PageDown (^D or ^F or <SPACE>)
             Line Up               Up arrow     Up (k or ^P)
             Line Down             Down arrow   Down (j or ^N)

  COMMON EDITING COMMANDS
      An  emacs(1) style editing package allows the easy editing of input strings.  A history list allows the
      easy reuse of previously entered strings.  In addition to the cursor keys, the following  commands  are
      available when editing a string:

      ^A, ^E    move to beginning or end of line, respectively.

      ^F, ^B    non-destructive move forward or back one location, respectively.

      ^D        delete the character currently under the cursor, or send EOF if no characters in the buffer.

      ^H, <DEL> delete character left of the cursor.

      ^K        delete from cursor to end of line.

      ^P, ^N    move through history, previous and next, respectively.

      ^L, ^R    redraw the current line.

      <CR>      places line on history list if non-blank, appends newline and returns to the caller.

      <ESC>     aborts the present editing operation.

  GLOBAL COMMANDS
      The following commands are available at all 4 menu levels and always have the same effect.

      ShellEscape '!'
                Shell  escape.  ShellEscape  by itself will launch a shell, ShellEscape <command> will run an
                external <command>. This facility may have been disabled by the System Administrator.

      ToggleColor '&'
                Toggle use of ANSI color.

      RedrawScr '^L'
                Redraw the current screen.

      ScrollUp '<'
                Scroll screen up by one line.

      ScrollDown '>'
                Scroll screen down by one line.

      Postponed 'O' '^O'
                Reload postponed article. If your system blocks the Postponed key you must quote it by press‐
                ing  '^V'  (CTRL-V)  first. The postpone-menu offers the following actions: PromptYes ('y') =
                reload and spawn editor; PostponeOverride ('Y') = post  article  (without  spawning  editor);
                PostponeAll  ('A')  = post all postponed articles (without spawning editor); PromptNo ('n') =
                skip this article; Quit ('q') = quit postponed menu. Currently there is no  'simple'  way  to
                delete a postponed article from the postponed-file, you have to use the following command se‐
                quence instead: reload it with Postponed, enter editor with PromptYes, quit  editor,  discard
                posting with Quit ('^O''y''q'). See also ''-o'' command-line switch.

      Help 'h'  Help screen of commands available on the current menu. You can use SearchSubjF ('/'), Search‐
                SubjB ('?') and SearchRepeat ('\') to search on this screen. Quit ('q') returns to the menu.

      ToggleHelpDisplay 'H'
                Toggle the display of help mini menu at the bottom of the screen and posting etiquette  after
                composing an article (beginner_level).

      DisplayPostHist 'W'
                List  articles posted by user. The date posted, the newsgroup and the subject are listed. See
                the section "POSTING HISTORY LISTING" for more information.

      Version 'v'
                Print tin version information.

  NEWSGROUP SELECTION COMMANDS
      4         Select group 4.

      SelectResetNewsrc '^R'
                Reset ${TIN_HOMEDIR:-"$HOME"}/.newsrc file. This will destroy all records of  which  articles
                have been read, so use this carefully.

      SetRange '#'
                Choose  a  range of articles to be affected by the next command. See the section "RANGES" for
                more information.

      SelectSortActive '.'
                Sort the list of newsgroups.

      SearchRepeat '\'
                Repeat the previous search.

      SearchSubjF '/'
                Search for a group by name and description (if displayed).

      SearchSubjB '?'
                Backward search through the group names and descriptions.

      SelectReadGrp '^J' '<CR>'
                Read current group.

      SelectEnterNextUnreadGrp '<TAB>' 'n'
                Enter next group with unread news. Will wrap around to the beginning of the  group  selection
                list looking for unread groups.

      Catchup 'c'
                Make  current  group as all read [after confirmation] and move to the next group in the group
                selection list.

      CatchupNextUnread 'C'
                Mark current group as all read [after confirmation] and enter the next unread  group  in  the
                group selection list.

      SelectToggleDescriptions 'd'
                Toggle display to show just the group name or the group name and the group descriptions.

      EditFilter 'E'
                Edit the filter file and reload it afterwards.

      SelectGoto 'g'
                Choose a new group by name. This command can be used to access any group, even those not cur‐
                rently yanked in.

      ToggleInfoLastLine 'i'
                Toggle the display of the description of the current newsgroup in the last  line.  This  will
                not be available if tin was started with the ''-d'' option.

      ToggleInverseVideo 'I'
                Toggle inverse video.

      LookupMessage 'L'
                Look   up  article  by  ''Message-ID:''.  If  none  of  the  groups  listed  in  the  ''News‐
                groups:''-header of the referenced article is available, just the  contents  of  the  ''News‐
                groups:''-header  will  be displayed in the last line.  At this level this command only works
                if reading via NNTP and the server supports [X]HDR (RFC2980, RFC3977) or XPAT (RFC2980).

      SelectMoveGrp 'm'
                Move the current group within the group selection list. By entering '1' the group will become
                the  first  displayed group in the list, by entering '8' the eighth group in the list etc. By
                entering '$' the group will be the last group displayed.

      OptionMenu 'M'
                User configurable options menu (for more information see section  "GLOBAL  OPTIONS  MENU  AND
                TINRC CONFIGURABLE VARIABLES").

      SelectNextUnreadGrp 'N'
                Positions the cursor on the next group with unread articles in it.

      Quit 'q'  Quit tin — ask the user to confirm if confirm_choice is set accordingly.

      QuitTin 'Q'
                Quit tin — don't ask the user to confirm.

      SelectToggleReadDisplay 'r'
                Toggle  display of all subscribed to groups and just those groups containing unread articles.
                Command has no effect if groups were specified on the command-line when tin was started.

      BugReport 'R'
                Mail a bug report or comment to <[email protected]>. This is the  best  way  of  getting  bugs
                fixed and features added/changed.

      SelectSubscribe 's'
                Subscribe to current group.

      SelectSubscribePat 'S'
                Subscribe to groups matching user specified pattern. See the section "NEWSGROUP LISTS & WILD‐
                CARDS" for the types of pattern that tin understands.

      SelectUnsubscribe 'u'
                Unsubscribe to current group. This can be used to remove bogus groups.   See  strip_bogus  in
                the "GLOBAL OPTIONS MENU AND TINRC CONFIGURABLE VARIABLES" section.

      SelectUnsubscribePat 'U'
                Unsubscribe  to  groups  matching  user specified pattern. See the section "NEWSGROUP LISTS &
                WILDCARDS" for the types of pattern that tin understands.

      Post 'w'  Post an article to current group. If posting fails for some reason, you'll get the chance  to
                PostEdit ('e') the article again, PostPostpone ('o') it for later processing (see also ''-o''
                command-line switch) or discard it via Quit ('q').

      SelectQuitNoWrite 'X'
                Quit tin without saving any changes to the configuration.

      SelectYankActive 'y'
                Yanks in all groups. Toggles the displayed groups between all the groups  in  the  ${TIN_LIB‐
                DIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active}  file  and  just those that are subscribed to in
                ${TIN_HOMEDIR:-"$HOME"}/.newsrc.

      SelectSyncWithActive 'Y'
                Reread the ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active} file to see if any new  news
                has arrived since starting tin.

      SelectMarkGrpUnread 'z' 'Z'
                Mark all articles in the current group as unread.

  GROUP INDEX COMMANDS
      All  searches  in this level are limited to unread articles if in show_only_unread_arts mode. GroupTog‐
      gleReadUnread ('r') can be use toggle the setting right before/after the search.

      4         Select article 4.

      MenuFilterSelect '^A'
                Auto select article(s) using a menu. Read the section "FILTERING ARTICLES" for more  informa‐
                tion.

      MenuFilterKill '^K'
                Kill article(s) using a menu. Read the section "FILTERING ARTICLES" for more information.

      MarkFeedRead '^X'
                Mark  current article, thread, range, auto-selected (hot) articles, articles matching pattern
                or tagged articles as read. A prompt asks which type should be marked.

      MarkFeedUnread '^W'
                Mark current article, thread, range, auto-selected (hot) articles, articles matching  pattern
                or tagged articles as unread. A prompt asks which type should be marked.

      SetRange '#'
                Choose  a  range of articles to be affected by the next command. See the section "RANGES" for
                more information.

      LastViewed '-'
                Re-enter the last message that was viewed.

      SearchRepeat '\'
                Repeat the previous search.

      SearchSubjF '/'
                Search forward for specified subject.

      SearchSubjB '?'
                Search backwards for specified subject.

      GroupSelThd '*'
                Select current thread for later processing.

      GroupDoAutoSel '+'
                Selects all threads in current group. It is a shortcut for  calling  GroupSelPattern  with  a
                pattern of ''*''.

      GroupToggleThdSel '.'
                Toggle selection of current thread. If at least one unread article, (but not every unread ar‐
                ticle) in the current thread is selected, then all unread articles become selected.

      GroupSelThdIfUnreadSelected ';'
                For each thread in current group, if it at least one unread article is selected,  all  unread
                articles  become  selected. This is useful for auto-selection on author where reader wants to
                see entire thread.

      GroupSelPattern '='
                Prompts for a pattern with which to match on. All threads whose subjects  match  the  pattern
                will  be  marked  selected.  A pattern of ''*'' will match all subjects. Entering just '<CR>'
                will re-use the last pattern that was entered.

      GroupReverseSel '@'
                Reverse all selections on all articles.

      GroupUndoSel '~'
                Undo all selections on all articles. It clears the  toggle  effect  of  GroupMarkUnselArtRead
                ('X')  command.  Thus after first doing a GroupMarkUnselArtRead, one can then do GroupUndoSel
                to reset articles. Thus, one can iteratively whittle down uninteresting threads.

      Pipe '|'  Pipe current article / thread / auto-selected (hot) articles / articles  matching  pattern  /
                tagged  articles  into command. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING
                ARTICLES" for more information.

      QuickFilterSelect '['
                Auto select article(s) with a single key [after confirmation]. The defaults used  for  selec‐
                tion  are  based  upon the following four tinrc config variables: default_filter_select_case,
                default_filter_select_expire, default_filter_select_global and  default_filter_select_header.
                Read  the  section "GLOBAL OPTIONS MENU AND TINRC CONFIGURABLE VARIABLES" for a full explana‐
                tion of these variables and "FILTERING ARTICLES" for more information on filtering.

      QuickFilterKill ']'
                Kill article(s) with a single key [after confirmation]. The defaults  used  for  killing  are
                based  upon the following four tinrc config variables: default_filter_kill_case, default_fil‐
                ter_kill_expire, default_filter_kill_global and default_filter_kill_header.  Read the section
                "GLOBAL  OPTIONS MENU AND TINRC CONFIGURABLE VARIABLES" for a full explanation of these vari‐
                ables and "FILTERING ARTICLES" for more information on filtering.

      GroupReadBasenote '^J' '<CR>'
                Read current article.

      GroupNextUnreadArtOrGrp '<TAB>'
                View next unread article or group.

      SearchAuthF 'a'
                Author forward search. This searches for articles with a specific ''From:'' line.

      SearchAuthB 'A'
                Author backward search. Otherwise, see SearchAuthF ('a') above.

      SearchBody 'B'
                Search the body of all articles in group (can be slow). You can abort the search  using  Quit
                ('q').

      Catchup 'c'
                Mark  all articles as read [after confirmation] then return to the group selection list. Move
                cursor to next group.

      CatchupNextUnread 'C'
                Mark all articles as read [after confirmation] and enter the next group with unread news.

      GroupToggleSubjDisplay 'd'
                Cycle the display of the author through all the  possible  options  for  the  tinrc  variable
                show_author.

      GroupCancel 'D'
                Cancel (delete) or supersede (overwrite) the current article. It must have been posted by the
                same user. The cancel message can be seen in the newsgroup 'control' or 'control.cancel'.

      EditFilter 'E'
                Edit the filter file and reload it afterwards.

      GroupGoto 'g'
                Choose a new group by name. This command can be used to access any group, even those not cur‐
                rently yanked in.

      GroupToggleGetartLimit 'G'
                Toggle article/group limit.

      ToggleInfoLastLine 'i'
                Display the subject of the first article in the current thread in the last line.

      ToggleInverseVideo 'I'
                Toggle inverse video.

      GroupMarkThdRead 'K'
                Mark article/thread as read and move onto the next unread article/thread. If a range of arti‐
                cles/threads is set, the range will be marked as read instead of the current  article/thread.
                When tagged articles/threads are present, a prompt asks how to proceed.

      GroupListThd 'l'
                Open the thread under the current cursor position.

      LookupMessage 'L'
                Look up article by ''Message-ID:''.

      GroupMail 'm'
                Mail  current  article  / thread / auto-selected (hot) articles / articles matching pattern /
                tagged articles to someone. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING AR‐
                TICLES" for more information.

      OptionMenu 'M'
                User  configurable  options  menu  (for more information see section "GLOBAL OPTIONS MENU AND
                TINRC CONFIGURABLE VARIABLES").

      GroupNextGroup 'n'
                Go to next group.

      GroupNextUnreadArt 'N'
                Go to the next unread article.

      Print 'o' Send current article / thread / auto-selected (hot) articles / articles  matching  pattern  /
                tagged articles to printer. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING AR‐
                TICLES" for more information.

      GroupPrevGroup 'p'
                Go to previous group.

      GroupPrevUnreadArt 'P'
                Go to previous unread article.

      Quit 'q'  Return to previous level.

      QuitTin 'Q'
                Quit tin — don't ask the user to confirm.

      GroupToggleReadUnread 'r'
                Toggle the display between all articles and unread articles.

      BugReport 'R'
                Mail a bug report or comment to <[email protected]>. This is the  best  way  of  getting  bugs
                fixed and features added/changed.

      GroupSave 's'
                Save  current  article  / thread / auto-selected (hot) articles / articles matching pattern /
                tagged articles. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING ARTICLES"  for
                more information.

      GroupAutoSave 'S'
                Save marked articles automatically without further prompting.

      GroupTag 't'
                Toggle  tag-status of current article / thread for GroupMail ('m') / Pipe ('|') / Print ('o')
                / GroupSave ('s') / GroupRepost ('x').

      GroupTagParts 'T'
                Automatically tag/untag all the parts of the current multi-part message in order.

      GroupToggleThreading 'u'
                Cycle the threading mode through no threading, threading by subject, threading by references,
                threading  on  both  subject  and  references, group multipart articles into a thread (''Sub‐
                ject:'' based).

      GroupUntag 'U'
                Untag all articles that were tagged.

      Post 'w'  Post an article to the current group. If posting fails for some reason, you'll get the chance
                to  edit the article again via PostEdit ('e'), postpone it for later processing via PostPost‐
                pone ('o') (see also ''-o'' command-line switch) or discard it via Quit ('q').

      GroupRepost 'x'
                Repost an already posted article / thread / auto-selected (hot) articles / articles  matching
                pattern  / tagged articles to another newsgroup(s). Useful for reposting from global to local
                newsgroups. Do not use this to crosspost your own articles.

      GroupMarkUnselArtRead 'X'
                Mark all unread articles that have not been  selected  as  read,  redraw  screen  to  reflect
                changes  and  put index at the first thread to begin reading.  Pressing GroupMarkUnselArtRead
                ('X') again will toggle back to the way it was before. See  GroupUndoSel  ('~')  command  for
                clearing  the toggle effect, leaving the group will also clear the toggle effect and make the
                changes permanent.

      MarkArtUnread 'z'
                Mark current article as unread.

      MarkThdUnread 'Z'
                Mark current thread as unread. If a range of threads is set, the range will be marked as  un‐
                read  instead  of  the  current thread. When tagged threads are present, a prompt asks how to
                proceed.

  THREAD LISTING COMMANDS
      4         Select article 4 within thread.

      MenuFilterSelect '^A'
                Auto select article(s) using a menu. Read the section "FILTERING ARTICLES" for more  informa‐
                tion.

      MenuFilterKill '^K'
                Kill article(s) using a menu. Read the section "FILTERING ARTICLES" for more information.

      MarkFeedRead '^X'
                Mark  current article, thread, range, auto-selected (hot) articles, articles matching pattern
                or tagged articles as read. A prompt asks which type should be marked.

      MarkFeedUnread '^W'
                Mark current article, thread, range, auto-selected (hot) articles, articles matching  pattern
                or tagged articles as unread. A prompt asks which type should be marked.

      SetRange '#'
                Choose  a  range of articles to be affected by the next command. See the section "RANGES" for
                more information.

      LastViewed '-'
                Re-enter the last message that was viewed.

      SearchRepeat '\'
                Repeat the previous search.

      SearchSubjF '/'
                Search forward for specified subject.

      SearchSubjB '?'
                Search backwards for specified subject.

      ThreadSelArt '*'
                Select current thread for later processing.

      ThreadToggleArtSel '.'
                Toggle selection of current article.

      ThreadReverseSel '@'
                Reverse article selections.

      ThreadUndoSel '~'
                Undo all selections on current thread.

      Pipe '|'  Pipe current article / thread / auto-selected (hot) articles / articles  matching  pattern  /
                tagged  articles  into command. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING
                ARTICLES" for more information.

      ThreadReadArt '^J' '<CR>'
                Read current article within thread.

      ThreadReadNextArtOrThread '<TAB>'
                View next unread article within thread.

      SearchAuthF 'a'
                Author forward search. This searches for articles with a specific ''From:'' line. The  search
                will wrap over into the next thread if nothing is found in the current one.

      SearchAuthB 'A'
                Author backward search. Otherwise, see SearchAuthF ('a') above.

      SearchBody 'B'
                Search  the  body of all articles in group (can be slow). You can abort the search using Quit
                ('q').

      Catchup 'c'
                Mark thread as read [after confirmation] and return to the group index page.  Move cursor  to
                next thread.

      CatchupNextUnread 'C'
                Mark thread as read [after confirmation] and enter the next thread containing unread news.

      ThreadToggleSubjDisplay 'd'
                Cycle  the  display  of  the  author  through all the possible options for the tinrc variable
                show_author.

      ThreadCancel 'D'
                Cancel (delete) or supersede (overwrite) the current article. It must have been posted by the
                same user. The cancel message can be seen in the newsgroup 'control' or 'control.cancel'.

      EditFilter 'E'
                Edit the filter file and reload it afterwards.

      ToggleInfoLastLine 'i'
                Display the subject of the current article in the last line.

      ToggleInverseVideo 'I'
                Toggle inverse video.

      ThreadMarkArtRead 'K'
                Mark  article  as  read and move onto the next unread article. If a range of articles is set,
                the range will be marked as read instead of the current article.  When  tagged  articles  are
                present, a prompt asks how to proceed.

      LookupMessage 'L'
                Look up article by ''Message-ID:''.

      ThreadMail 'm'
                Mail  current  article  / thread / auto-selected (hot) articles / articles matching pattern /
                tagged articles to someone. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING AR‐
                TICLES" for more information.

      Print 'o' Send  current  article  / thread / auto-selected (hot) articles / articles matching pattern /
                tagged articles to printer. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING AR‐
                TICLES" for more information.

      Quit 'q'  Return to previous level.

      QuitTin 'Q'
                Quit tin — don't ask the user to confirm.

      BugReport 'R'
                Mail  a  bug  report  or  comment to <[email protected]>. This is the best way of getting bugs
                fixed and features added/changed.

      ThreadSave 's'
                Save current article / thread / auto-selected (hot) articles / articles  matching  pattern  /
                tagged  articles. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING ARTICLES" for
                more information.

      ThreadAutoSave 'S'
                Save marked articles automatically without further prompting.

      ThreadTag 't'
                Toggle tag status of current article for mailing, piping, printing, saving or reposting.

      ThreadTagParts 'T'
                Automatically tag/untag all the parts of the current multi-part message in order.

      ThreadUntag 'U'
                Untag all tagged threads.

      Post 'w'  Post an article to the current group. If posting fails for some reason, you'll get the chance
                to  edit the article again via PostEdit ('e'), postpone it for later processing via PostPost‐
                pone ('o') (see also ''-o'' command-line switch) or discard it via Quit ('q').

      MarkArtUnread 'z'
                Mark current article in thread as unread. If a range of articles is set, the  range  will  be
                marked  as  unread instead of the current article. When tagged articles are present, a prompt
                asks how to proceed.

      MarkThdUnread 'Z'
                Mark all articles in thread as unread.

  ARTICLE VIEWER COMMANDS
      0         Read the first (base) article in this thread.

      4         Read response 4 in this thread.

      MenuFilterSelect '^A'
                Auto select article(s) using a menu. Read the section "FILTERING ARTICLES" for more  informa‐
                tion.

      PageReplyQuoteHeaders '^E'
                Reply  through  mail to the author of the current article with a copy of the article with all
                headers included.

      PagePGPCheckArticle '^G'
                Perform pgp(1) / gpg(1) operations on article. This expects inline pgp (RFC4880) and not MIME
                pgp (RFC3156).

      PageToggleRaw '^H'
                Toggles the display mode (raw including all headers vs. cooked).

      MenuFilterKill '^K'
                Kill article(s) using a menu. Read the section "FILTERING ARTICLES" for more information.

      PageToggleTabs '^T'
                Toggle the TAB width between 4 and 8 characters.

      PageFollowupQuoteHeaders '^W'
                Post a followup to the current article with a copy of the article with all headers included.

      PageToggleTex2iso '"'
                Toggle  TeX  to  ISO  decoding  for  current  article. The default behavior is taken from the
                tex2iso_conv variable in the tinrc file.

      PageToggleAllHeaders '*'
                Toggles the display of all headers vs. headers in news_headers_to_display.

      PageToggleRot '%'
                Toggle ROT-13 decoding for this article.

      PageToggleUue '('
                Toggle the display of uuencoded sections. The default behavior is  taken  from  the  hide_uue
                variable in the tinrc file.

      PageReveal ')'
                The  form  feed  character (^L) is often used to hide 'spoilers' that the reader may not ini‐
                tially wish to see when viewing an article. Any text after a formfeed is not displayed.  This
                key-press  acts like a reveal key and turns the hidden text back on. Scrolling down will also
                reveal the text, scrolling up will hide it again.

      LastViewed '-'
                Re-enter the last message that was viewed.

      SearchRepeat '\'
                Repeat the previous search.

      SearchSubjF '/'
                Forward search the text of this article.

      SearchSubjB '?'
                Backward search the text of this article.

      PageSkipIncludedText ':'
                Skip to the end of the next quoted text-block in this  article.  Quoted  text  is  everything
                which matches quote_regex, quote_regex2 or quote_regex3.

      PageTopThd '<'
                Go to the first article in the current thread.

      PageBotThd '>'
                Go to the last article in the current thread.

      PageToggleHighlight '_'
                Toggle word highlighting on/off.

      Pipe '|'  Pipe  current  article  / thread / auto-selected (hot) articles / articles matching pattern /
                tagged articles into command. See the section "MAILING PIPING PRINTING REPOSTING  AND  SAVING
                ARTICLES" for more information.

      QuickFilterSelect '['
                Auto  select article(s) with a single key. The defaults used for selection are set based upon
                the following four tinrc  config  variables:  default_filter_select_case,  default_filter_se‐
                lect_expire,  default_filter_select_global  and default_filter_select_header Read the section
                "GLOBAL OPTIONS MENU AND TINRC CONFIGURABLE VARIABLES" for a full explanation of these  vari‐
                ables and "FILTERING ARTICLES" for more information on filtering.

      QuickFilterKill ']'
                Kill article(s) with a single key. The defaults used for killing are based upon the following
                four  tinrc  config  variables:  default_filter_kill_case,  default_filter_kill_expire,   de‐
                fault_filter_kill_global  and  default_filter_kill_header.   Read the section "GLOBAL OPTIONS
                MENU AND TINRC CONFIGURABLE VARIABLES" for a full explanation of these variables and "FILTER‐
                ING ARTICLES" for more information on filtering.

      PageNextThd '^J' '<CR>'
                Go to next base article.

      PageNextUnread '<TAB>'
                Go to next unread article. If the tinrc variable goto_next_unread doesn't contain PageNextUn‐
                read, then this key will first page through the current article.

      SearchAuthF 'a'
                Author forward search.

      SearchAuthB 'A'
                Author backward search.

      SearchBody 'B'
                Search the body of all articles in group (can be slow). You can abort the search  using  Quit
                ('q').

      Catchup 'c'
                Mark  the  current  thread as read [after confirmation] and return to the previous menu. Move
                cursor to next item.

      CatchupNextUnread 'C'
                Mark the rest of the current thread as read [after confirmation] and enter  the  next  thread
                with unread articles.

      PageCancel 'D'
                Cancel (delete) or supersede (overwrite) the current article. It must have been posted by the
                same user. The cancel message can be seen in the newsgroup 'control' or 'control.cancel'.

      PageEditArticle 'e'
                Edit the current article. This is restricted to mailgroups and saved news.

      EditFilter 'E'
                Edit the filter file and reload it afterwards.

      PageFollowupQuote 'f'
                Post a followup to the current article with a copy of the article included.

      PageFollowup 'F'
                Post a followup to the current article without including a copy of the article.

      PageFirstPage 'g'
                Go to the start of the article.

      PageLastPage 'G'
                Go to the end of the article.

      ToggleInfoLastLine 'i'
                Display the subject of the current article in the last line.

      ToggleInverseVideo 'I'
                Toggle inverse video.

      PageKillThd 'K'
                Mark rest of thread as read and move onto the next unread thread.

      PageListThd 'l'
                Show the thread menu that the current article is a part of.

      LookupMessage 'L'
                Look up article by ''Message-ID:''.

      PageMail 'm'
                Mail current article / thread / auto-selected (hot) articles / articles  matching  pattern  /
                tagged articles to someone. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING AR‐
                TICLES" for more information.

      OptionMenu 'M'
                User configurable options menu (for more information see section  "GLOBAL  OPTIONS  MENU  AND
                TINRC CONFIGURABLE VARIABLES").

      PageNextArt 'n'
                Go to the next article.

      PageNextUnreadArt 'N'
                Go to the next unread article.

      Print 'o' Send  current  article  / thread / auto-selected (hot) articles / articles matching pattern /
                tagged articles to printer. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING AR‐
                TICLES" for more information.

      PagePrevArt 'p'
                Go to the previous article.

      PagePrevUnreadArt 'P'
                Go to the previous unread article.

      Quit 'q'  Return to the previous level.

      QuitTin 'Q'
                Quit tin — don't ask the user to confirm.

      PageReplyQuote 'r'
                Reply through mail to the author of the current article with a copy of the article included.

      PageReply 'R'
                Reply  through mail to the author of the current article without including the original arti‐
                cle.

      PageSave 's'
                Save current article / thread / auto-selected (hot) articles / articles  matching  pattern  /
                tagged  articles. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING ARTICLES" for
                more information.

      PageAutoSave 'S'
                Save marked articles automatically without further prompting.

      PageTag 't'
                Toggle tag status of current article for mailing, piping, printing, saving or reposting.

      PageGroupSel 'T'
                Return to group selection level.

      PageGotoParent 'u'
                Go to parent article.

      PageViewUrl 'U'
                Display a list of URLs in the current article. See the section "URL LISTING" for more  infor‐
                mation.

      PageViewAttach 'V'
                Display  a  list  of attachments of the current article. See the section "ATTACHMENT LISTING"
                for more information.

      Post 'w'  Post an article to the current group. If posting fails for some reason, you'll get the chance
                to  edit the article again via PostEdit ('e'), postpone it for later processing via PostPost‐
                pone ('o') (see also ''-o'' command-line switch) or discard it via Quit ('q').

      PageRepost 'x'
                Repost an already posted article / thread / auto-selected (hot) articles / articles  matching
                pattern  / tagged articles to another newsgroup(s). Useful for reposting from global to local
                newsgroups. Do not use this to crosspost your own articles.

      MarkArtUnread 'z'
                Mark article as unread.

      MarkThdUnread 'Z'
                Mark the current thread as unread.

  URL LISTING
      PageViewUrl ('U') displays a list of URLs in the current article. Besides the common moving  keys,  the
      following commands are available:

          UrlSelect '^J' '<CR>'
                    The  current  URL  will be prompted and opened using the url_handler. '<ESC>' or no input
                    will skip the URL.

          SearchSubjF '/'
                    URL forward search.

          SearchSubjB '?'
                    URL backward search.

          SearchRepeat '\'
                    Repeat the previous search.

          ShellEscape '!'
                    Shell escape.

          ToggleInfoLastLine 'i'
                    Toggle the display of the current URL in the last line.

          Help 'h'  Help screen of commands available.

          ToggleHelpDisplay 'H'
                    Toggle the display of help mini menu at the bottom of the screen  and  posting  etiquette
                    after composing an article (beginner_level).

  ATTACHMENT LISTING
      PageViewAttach  ('V')  displays a list of attachments of the current article. Besides the common moving
      keys, the following commands are available:

          AttachPipe 'p'
                    Pipe attachment into command.

          AttachSave 's'
                    Save current attachment / tagged attachments to disk.

          AttachSelect '^J' '<CR>'
                    View attachment.

          AttachTag 't'
                    Tag one or more attachments for saving.

          AttachTagPattern '='
                    Prompts for a pattern  to  match.  All  attachments  whose  name/description  or  content
                    type/transfer encoding match the pattern will be tagged.

          AttachToggleTagged '@'
                    Reverse tagging of all attachments.

          AttachUntag 'U'
                    Untag all tagged attachments.

          SearchSubjF '/'
                    Attachment forward search.

          SearchSubjB '?'
                    Attachment backward search.

          SearchRepeat '\'
                    Repeat the previous search.

          GlobalPipe '|'
                    Pipe attachment into command. Uses the raw attachment, no decoding is done.

          ShellEscape '!'
                    Shell escape.

          ToggleInfoLastLine 'i'
                    Toggle the display of the name/description of the current attachment in the last line.

          Help 'h'  Help screen of commands available.

          ToggleHelpDisplay 'H'
                    Toggle  the  display  of help mini menu at the bottom of the screen and posting etiquette
                    after composing an article (beginner_level).

  POSTING HISTORY LISTING
      DisplayPostHist  ('W')  displays  a  list  of  all  previous  posted  articles  stored  in  ${TIN_HOME‐
      DIR:-"$HOME"}/.tin/posted.  The  following  information  is shown: a time stamp in "dd-mm-yy"-format, a
      single letter indicating the action which initiated the message, the group names (eventually shortened,
      see  also  abbreviate_groupname)  or a mail address the message was sent to and the subject of the mes‐
      sage. Besides the common moving keys, the following commands are available:

          PostedArticlesSelect '^J' '<CR>'
                    The article with the current ''Message-ID:'' will be opened if available.  Note that this
                    requires   that   the   ''Message-ID:''  of  the  article  was  recorded  in  ${TIN_HOME‐
                    DIR:-"$HOME"}/.tin/posted which may not always be the case.  If using NNTP and the inter‐
                    nal  inews  (inews_prog  set  to  "--internal")  and  either the server proposes a ''Mes‐
                    sage-ID:'' during the POST (RFC3977) command or tin is build to generate  ''Message-ID:''
                    this should be the case. With an external inews (and reading from local spool) it is not.

          SearchSubjF '/'
                    URL forward search.

          SearchSubjB '?'
                    URL backward search.

          SearchRepeat '\'
                    Repeat the previous search.

          ShellEscape '!'
                    Shell escape.

          ToggleInfoLastLine 'i'
                    Toggle the display of the current ''Message-ID:'' in the last line.

          Help 'h'  Help screen of commands available.

          ToggleHelpDisplay 'H'
                    Toggle  the  display  of help mini menu at the bottom of the screen and posting etiquette
                    after composing an article (beginner_level).

  GLOBAL OPTIONS MENU AND TINRC CONFIGURABLE VARIABLES
      At startup, tin reads in the configuration files (see also tin(5)).  They contain a list  of  variables
      that  can  be  used  to  configure  the  way  tin  works.  If it exists, the global configuration file,
      /etc/tin/tinrc is read. After that,  the  user's  own  configuration  file  is  read  from  ${TIN_HOME‐
      DIR:-"$HOME"}/.tin/tinrc.  The global file is useful for distributing system-wide defaults to new users
      who have no private tinrc yet.

      The variables are user configurable by editing  ${TIN_HOMEDIR:-"$HOME"}/.tin/tinrc  directly.  Most  of
      them  can  also be set in the GLOBAL OPTIONS MENU which is accessed by pressing OptionMenu ('M') at all
      levels. It allows the user to customize the behavior  of  tin.  The  options  are  saved  to  the  file
      ${TIN_HOMEDIR:-"$HOME"}/.tin/tinrc when you exit tin so don't edit the file directly whilst tin is run‐
      ning.

      In the options menu use the cursor keys in the usual way to move  around.  Use  ConfigSelect  ('^J'  or
      '<CR>') to 'open' the option you wish to change. You will need to enter a new value or use '<SPACE>' to
      toggle the available options. ConfigSelect will save the new value, '<ESC>' will abort  without  saving
      changes.

      As  with  the  other  menus,  RedrawScr  ('^L')  will redraw the screen. You can use SearchSubjF ('/'),
      SearchSubjB ('?') and SearchRepeat ('\') to search for a specific option. Use Quit ('q')  to  exit  the
      option menu and keep your changes. Use QuitTin ('Q') to exit without keeping your changes.

      The options menu provides access to the attributes menu for the current group by the ConfigToggleAttrib
      ('<TAB>') command. Pressing ConfigToggleAttrib again toggles back to the options menu. For more  infor‐
      mation see section "ATTRIBUTES MENU AND GROUP ATTRIBUTES".

      The  ConfigScopeMenu  ('S') command brings up the scopes menu. For more information see section "SCOPES
      MENU".

      Here is a full list of all the available variables. The name in braces is the name of the corresponding
      setting in ${TIN_HOMEDIR:-"$HOME"}/.tin/tinrc.

      Abbreviate long newsgroup names (abbreviate_groupname)
          If  ON  abbreviate  long  newsgroup names at group selection level and article level (if necessary)
          like this: news.software.readers -> n.software.readers -> n.s.readers -> n.s.r.  Default is OFF.

      Add posted articles to filter (add_posted_to_filter)
          If ON add posted articles which start a new thread to filter for highlighting  follow-ups.  Default
          is ON.

      Insert 'User-Agent:'-header (advertising)
          Turn ON advertising in header (''User-Agent:''). Default is ON.

      Skip multipart/alternative parts (alternative_handling)
          If ON strip multipart/alternative messages automatically. Default is ON.

      Character to show deleted articles (art_marked_deleted)
          The character used to show that an article was deleted. Default is 'D'.

      Character to show inrange articles (art_marked_inrange)
          The character used to show that an article is in a range. Default is '#'.

      Character to show returning arts (art_marked_return)
          The  character used to show that an article will return as an unread article when the group is next
          entered. Default is '-'.

      Character to show selected articles (art_marked_selected)
          The character used to show that an article/thread is auto-selected (hot).  Default is '*'.

      Character to show recent articles (art_marked_recent)
          The character used to show that an article/thread is recent (not older than X days). See  also  re‐
          cent_time. Default is 'o'.

      Character to show unread articles (art_marked_unread)
          The character used to show that an article has not been read.  Default is '+'.

      Character to show read articles (art_marked_read)
          The character used to show that an article was read. Default is ' '.

      Character to show killed articles (art_marked_killed)
          The  character used to show that an article was killed. Default is 'K'.  kill_level must be set ac‐
          cordingly.

      Character to show read selected arts (art_marked_read_selected)
          The character used to show that an article was hot before it was read.  Default is ':'.  kill_level
          must be set accordingly.

      Ask before using MIME viewer (ask_for_metamail)
          If  ON  tin will ask before using a MIME viewer (metamail_prog) to display MIME messages. This only
          occurs if a MIME viewer is set. Default is OFF.

      Send you a cc and/or bcc automatically (auto_cc_bcc)
          Automatically put your name in the ''Cc:'' and/or ''Bcc:'' field when mailing an  article.  Default
          is No.

      List thread using right arrow key (auto_list_thread)
          If ON automatically list thread when entering it using right arrow key.  Default is ON.

      Reconnect to server automatically (auto_reconnect)
          Default is OFF.

      Save articles in batch mode (batch_save)
          If set ON articles/threads will be saved in batch mode when save ''-S'' or mail ''-M, -N'' is spec‐
          ified on the command line. Default is ON.

      Show mini menu & posting etiquette (beginner_level)
          If set ON a mini menu of the most useful commands will be displayed at the bottom of the screen for
          each level. Also a short posting etiquette will be displayed after composing an article. Default is
          ON.

      Cache NNTP overview files locally (cache_overview_files)
          If ON, create local copies of NNTP overview files. This can be used to considerably  speed  up  ac‐
          cessing large groups when using a slow connection.  See also "INDEX FILES". Default is OFF.

      Hash algorithm for cancel-locks (cancel_lock_algo)
          Use  this hash algorithm for cancel-locks. Only available when build with cancel-lock support. none
          disables the generation of cancel-locks. Valid values are none, sha1, sha256 and  sha512.   Default
          is sha1.

      Catchup read groups when quitting (catchup_read_groups)
          If  set  ON the user is asked when quitting if all groups read during the current session should be
          marked read. Default is OFF.

      Standard background color (col_back)
          Standard background color

      Color of quoted text from external sources (col_extquote)
          Color of quoted text from external sources

      Color of sender (From:) (col_from)
          Color of sender (From:)

      Color of article header lines (col_head)
          Color of header-lines

      Color of help text (col_help)
          Color of help pages

      Color for inverse text (background) (col_invers_bg)
          Color of background for inverse text

      Color for inverse text (foreground) (col_invers_fg)
          Color of foreground for inverse text

      Color of status messages (col_message)
          Color of status messages in last line

      Color of highlighting with _dash_ (col_markdash)
          Color of words emphasized like _this_. See also word_h_display_marks and word_highlight.

      Color of highlighting with /slash/ (col_markslash)
          Color of words emphasized like /this/. See also word_h_display_marks and word_highlight.

      Color of highlighting with *stars* (col_markstar)
          Color of words emphasized like *this*. See also word_h_display_marks and word_highlight.

      Color of highlighting with -stroke- (col_markstroke)
          Color of words emphasized like -this-. See also word_h_display_marks and word_highlight.

      Color of mini help menu (col_minihelp)
          Color of mini help menu

      Color of actual news header fields (col_newsheaders)
          Color of actual news header fields

      Standard foreground color (col_normal)
          Standard foreground color

      Color of quoted lines (col_quote)
          Color of quoted lines

      Color of twice quoted line (col_quote2)
          Color of twice quoted lines

      Color of =>3 times quoted line (col_quote3)
          Color of >=3 times quoted lines

      Color of response counter (col_response)
          Color of response counter. This is the text that says "Response x of y" in the article viewer.

      Color of signatures (col_signature)
          Color of signatures

      Color of urls highlight (col_urls)
          Color of urls highlight

      Color of verbatim blocks (col_verbatim)
          Color of verbatim blocks

      Color of article subject lines (col_subject)
          Color of article subject

      Color of text lines (col_text)
          Color of text-lines

      Color of help/mail sign (col_title)
          Color of help/mail sign

      Which actions require confirmation (confirm_choice)
          Ask for manual confirmation to protect the user.

           •  commands Ask for confirmation  before  executing  certain  dangerous  commands  (e.g.,  Catchup
              ('c')).  Commands  that this affects are marked in this manual with '[after confirmation]'. De‐
              fault is commands & quit.

           •  quit You'll be asked to confirm that you wish to exit tin when you use the Quit ('q') command.

           •  select Ask for confirmation before marking all not selected (with  GroupMarkUnselArtRead  ('X')
              command) articles as read.

      Format string for display of dates (date_format)
          Format  string  tin uses for date representation. A description of the different format options can
          be found at strftime(3).  tin uses strftime(3) when available and supports most format  options  in
          his fallback code.  Default is "%a, %d %b %Y %H:%M:%S".

      (default_art_search)

      (default_author_search)

      (default_config_search)
          The last article/author/config option that was searched for.

      (default_filter_days)
          Default is 28.

      (default_filter_kill_case)
          Default for quick (1 key) kill filter case.  ON = filter case sensitive, OFF = ignore case. Default
          is OFF.

      (default_filter_kill_expire)
          Default for quick (1 key) kill filter expire.  ON = limit to default_filter_days, OFF = don't  ever
          expire. Default is OFF.

      (default_filter_kill_global)
          Default  for quick (1 key) kill filter global.  ON=apply to all groups, OFF=apply to current group.
          Default is ON.

      (default_filter_kill_header)
          Default for quick (1 key) kill filter header.

           0
                ''Subject:'' (case sensitive)

           1
                ''Subject:'' (ignore case)

           2
                ''From:'' (case sensitive)

           3
                ''From:'' (ignore case)

           4
                ''Message-ID:'' & full ''References:'' line

           5
                ''Message-ID:'' & last ''References:'' entry only

           6
                ''Message-ID:'' entry only

           7
                ''Lines:''

      (default_filter_select_case)
          Default for quick (1 key) auto-selection filter case. ON=filter case  sensitive,  OFF=ignore  case.
          Default is OFF.

      (default_filter_select_expire)
          Default  for  quick (1 key) auto-selection filter expire.  ON = limit to default_filter_days, OFF =
          don't ever expire.  Default is OFF.

      (default_filter_select_global)
          Default for quick (1 key) auto-selection filter global.  ON=apply to all groups, OFF=apply to  cur‐
          rent group. Default is ON.

      (default_filter_select_header)
          Default for quick (1 key) auto-selection filter header.

           0
                ''Subject:'' (case sensitive)

           1
                ''Subject:'' (ignore case)

           2
                ''From:'' (case sensitive)

           3
                ''From:'' (ignore case)

           4
                ''Message-ID:'' & full ''References:'' line

           5
                ''Message-ID:'' & last ''References:'' entry only

           6
                ''Message-ID:'' entry only

           7
                ''Lines:''

      (default_goto_group)

      (default_group_search)

      (default_mail_address)

      (default_move_group)

      (default_pattern)

      (default_pipe_command)

      (default_post_newsgroups)

      (default_post_subject)

      (default_range_group)

      (default_range_select)

      (default_range_thread)

      (default_repost_group)

      (default_save_file)

      (default_save_mode)

      (default_select_pattern)

      (default_shell_command)

      (default_subject_search)

      Draw -> instead of highlighted bar (draw_arrow)
          Allows  groups/articles  to  be  selected by an arrow '->' if set ON or by a highlighted bar if set
          OFF. Default is OFF.

      Invocation of your editor (editor_format)
          The format string used to create the editor start command with parameters.  Default is '%E +%N  %F'
          with  %E=Editor,  %N=Linenumber  and  %F=Filename (e.g., /bin/vi +7 .article). See also $VISUAL and
          $EDITOR under "ENVIRONMENT".

      Detection of external quotes (extquote_handling)
          If ON quotes from external sources will be detected. Default is OFF.

      Regex used to show external quotes (extquote_regex)
          A regular expression that will be applied when reading articles. All matching lines  are  shown  in
          col_extquote. If extquote_regex is blank, then tin uses a built-in default.

      Force redraw after certain commands (force_screen_redraw)
          Specifies whether a screen redraw should always be done after certain external commands. Default is
          OFF.

      Number of articles to get (getart_limit)
          If getart_limit is > 0 not more than the last getart_limit  articles/group  are  fetched  from  the
          server.  If getart_limit is < 0 tin will start fetching articles from your first unread minus abso‐
          lute value of getart_limit. Default is 0, which means no limit.

      Catchup group using left key (group_catchup_on_exit)
          If ON catchup group when leaving with the left arrow key. Default is ON.

      Format string for the Group level (group_format)
          Format string tin uses for Group level representation. See the section "CUSTOMIZING THE SCREEN FOR‐
          MAT". Default is "%n %m %R %L  %s  %F".

      Go to the next unread article with (goto_next_unread)
          Which  keys  tin  should accept to jump to the next unread article.  Possible is any combination of
          PageDown and PageNextUnread.  When PageDown is set tin jumps to the next article at the end of  the
          current  one. When PageNextUnread is set tin jumps immediately to the next article when PageNextUn‐
          read ('<TAB>') is pressed. Default is PageNextUnread.

      Display uue data as an attachment (hide_uue)
          If set to 'No' then raw uuencoded data is displayed. If set to 'Yes'  then  sections  of  uuencoded
          data  will  be  shown with a single tag line showing the size and filename (much the same as a MIME
          attachment).  If set to 'Hide all' then any line that looks like uuencoded data will be folded into
          a  tag  line. This is useful when uuencoded data is split across more than one article but can also
          lead to false positives. This setting can also be toggled in the article viewer.  Default is 'No'.

      External inews (inews_prog)
          Path, name and options of external inews(1).  If you are reading via  NNTP  the  default  value  is
          "--internal"  (use built-in NNTP inews), else it is "inews -h". The article is passed to inews_prog
          on STDIN via '< article'.

      (info_in_last_line)
          If ON, show current group description or article subject in the last line (not  in  the  pager  and
          global  menu) — ToggleInfoLastLine ('i') toggles setting. This facility is useful as the full width
          of the screen is available to display long subjects. Default is OFF.

      Use interactive mail reader (interactive_mailer)
          Interactive mailreader: if greater than 0 your mailreader will be invoked earlier for reply so  you
          can  use more of its features (e.g. MIME, pgp, ...). 1 means include headers, 2 means don't include
          headers (old use_mailreader_i=ON option). 0 turns off usage. This option has to suit mailer_format.
          Default is 0.

      Use inverse video for page headers (inverse_okay)
          If ON use inverse video for page headers and URL highlighting.  Default is ON.

      Keep failed arts in ~/dead.articles (keep_dead_articles)
          If  ON  keep  all failed postings in ${TIN_HOMEDIR:-"$HOME"}/dead.articles besides keeping the last
          failed posting in ${TIN_HOMEDIR:-"$HOME"}/dead.article. Default is ON.

      Filter which articles (kill_level)
          This option controls the processing and display of articles that are killed.  There are 3 options:

           0  Kill only unread arts is the 'traditional' behavior of tin. Only  unread  articles  are  killed
              once  only  by  marking them read. As filtering only happens on unread articles with kill_level
              set to 0, art_marked_killed and art_marked_read_selected are only shown once. When you  reenter
              the group the mark will be gone.

           1  Kill  all  arts  &  show with K will process all articles in the group and therefore there is a
              processing overhead when using this option. Killed articles are threaded  as  normal  but  they
              will be marked with art_marked_killed.

           2  Kill  all  arts  and never show will process all articles in the group and therefore there is a
              processing overhead when using this option. Killed articles simply does not  get  displayed  at
              all.
      Default is 0 (Kill only unread arts).

      Use 8bit characters in mail headers (mail_8bit_header)
          Allows  8bit  characters  unencoded in the header of mail message. Default is OFF. Turning it ON is
          effective only if mail_mime_encoding is also set to 8bit. Leaving it OFF is safe for most users and
          compliant to Internet Mail Standard (RFC5322 and RFC2047). Default is OFF.

      Mail address (mail_address)
          User's  mail  address  (and  full name), if not username@host. This is used when creating articles,
          sending mail and when pgp(1) / gpg(1) signing (RFC4880).

      MIME encoding in mail messages (mail_mime_encoding)
          MIME encoding of the body in mail message, if necessary (8bit, base64, quoted-printable, 7bit). De‐
          fault is quoted-printable.

      Quote line when mailing (mail_quote_format)
          Format  of  quote line when replying (via mail) to an article (%A=Address, %D=Date, %F=Fullname+Ad‐
          dress, %G=Groupname, %M=Message-ID, %N=Fullname, %C=Firstname, %I=Initials). Default is "In article
          %M you wrote:"

      Format of the mailbox (mailbox_format)
          Select  one  of  the following mailbox-formats: MBOXO (default, except on SCO), MBOXRD or MMDF (de‐
          fault on SCO). See mbox(5) and RFC4155 for more details on MBOXO and MBOXRD and  mmdf(5)  for  more
          details about MMDF.

      Mail directory (maildir)
          The  directory where articles/threads are to be saved in mbox(5) format. This feature is mainly for
          use with the mutt(1) mail program. It allows the user to  save  articles/threads/groups  simply  by
          giving '=' as the filename to save to.  Default is ${TIN_HOMEDIR:-"$HOME"}/Mail.

      Invocation of your mail command (mailer_format)
          The  format string used to create the mailer command with parameters that is used for mailing arti‐
          cles to other people. Default is '%M "%T" < %F' (e.g., /bin/mail "iain" < .article).  The  flexible
          format allows other mailers with different command line parameters to be used such as
             sendmail -oem -t < %F
             mutt -s "%S" -- "%T" < "%F"
             claws-mail --compose "mailto:%T?subject=%S&insert=%F"
          interactive_mailer must be set adequate. The following substitutions are supported:
             %F              filename
             %M              default_mailer
             %S              subject-field
             %T              to-filed
             %U              username
             %%              %

      'Mark as (un)read' ignores tags (mark_ignore_tags)
          When  this is ON, the GroupMarkThdRead ('K'), ThreadMarkArtRead ('K'), MarkThdUnread ('Z') at Group
          level and MarkArtUnread ('z') at Thread level functions mark just the current  article  or  thread,
          ignoring  other tagged, (un)read articles. When OFF, the same function presents a menu with choices
          of the current thread or article, all tagged, unread articles, or nothing.

      Mark saved articles/threads as read (mark_saved_read)
          If ON mark articles that are saved as read. Default is ON.

      Viewer program for MIME articles (metamail_prog)
          Path, name and options of external metamail(1) program used to view non-textual parts of  articles.
          To  use  the  built-in viewer, set to --internal. This is the default value when metamail(1) is not
          installed. Leave it blank if you don't want any automatic viewing of non-textual  attachments.  The
          PageViewAttach  ('V')  command  can  always  be  used  to  manually  view any attachments. See also
          ask_for_metamail.

      MM_CHARSET (mm_charset)
          Charset supported locally, which is also used for MIME header (charset parameter and  charset  name
          in  header  encoding) in mail and news postings. If MIME_STRICT_CHARSET is defined at compile time,
          text in charset other than the value of this parameter is considered  not  displayable  and  repre‐
          sented  as  '?'. Otherwise, all character sets are regarded as compatible with the display. If it's
          not set, the value of the environment variable $MM_CHARSET is used. US-ASCII  or  compile-time  de‐
          fault  is used in case neither of them is defined. If your system supports iconv(3), this option is
          disabled and you should use mm_network_charset instead.

      MM_NETWORK_CHARSET (mm_network_charset)
          Charset used for posting  and  MIME  headers;  replaces  mm_charset.   Conversion  between  mm_net‐
          work_charset  and local charset (determined via nl_langinfo(3)) is done via iconv(3), if this func‐
          tion is not available on your system this option is disabled and you have  to  use  mm_charset  in‐
          stead. mm_network_charset is limited to one of the following charsets:
             US-ASCII,      ISO-8859-{1,2,3,4,5,7,9,10,13,14,15,16},     KOI8-{R,U,RU}     EUC-{CN,JP,KR,TW},
             ISO-2022-{CN,CN-EXT,JP,JP-1,JP-2}, Big5, UTF-8
          Not all values might work on your system, see iconv_open(3) for more details. If it's not set,  the
          value  of the environment variable $MM_CHARSET is used. US-ASCII or compile-time default is used in
          case neither of them is defined.

      Attribute of highlighting with _dash_ (mono_markdash)
          Character attribute of words emphasized like _this_. It depends on your terminal  which  attributes
          are usable. See also word_h_display_marks and word_highlight.

      Attribute of highlighting with /slash/ (mono_markslash)
          Character  attribute  of words emphasized like /this/. It depends on your terminal which attributes
          are usable. See also word_h_display_marks and word_highlight.

      Attribute of highlighting with *stars* (mono_markstar)
          Character attribute of words emphasized like *this*. It depends on your terminal  which  attributes
          are usable. See also word_h_display_marks and word_highlight.

      Attribute of highlighting with -stroke- (mono_markstroke)
          Character  attribute  of words emphasized like -this-. It depends on your terminal which attributes
          are usable. See also word_h_display_marks and word_highlight.

      (newnews)
          These are internal timers used by tin to keep track of new newsgroups.  Do not change  them  unless
          you understand what they are for.

      Display these header fields (or *) (news_headers_to_display)
          Which  news  headers  you  wish  to see. If you want to see _all_ the headers, place an '*' as this
          value. This is the only way a wildcard can be used.  If you enter 'X-' as the value, you  will  see
          all  headers  beginning with 'X-' (like X-Alan or X-Pape). You can list more than one by delimiting
          with spaces. Not defining anything turns off this option.

      Do not display these header fields (news_headers_to_not_display)
          Same as news_headers_to_display except it denotes the opposite. An example of  using  both  options
          might  be if you thought 'X-' headers were A Good Thing(tm), but thought Alan and Pape were miscre‐
          ants...  well  then  you  would  do  something  like  this:  news_headers_to_display=X-  news_head‐
          ers_to_not_display=X-Alan X-Pape Not defining anything turns off this option.

      Quote line when following up (news_quote_format)
          Format  of  quote  line  when posting/following up an article (%A=Address, %D=Date, %F=Fullname+Ad‐
          dress,  %G=Groupname,  %M=Message-ID,  %N=Fullname,  %C=Firstname,  %I=Initials).  Default  is  "%F
          wrote:".

      NNTP read timeout in seconds (nntp_read_timeout_secs)
          Time in seconds to wait for a response from the server. Default is 120.  Setting this to 0 means no
          timeout.

      Unicode normalization form (normalization_form)
          The normalization form tin should use to normalize unicode input.  The possible values are:

           0  None: no normalization

           1  NFKC: Compatibility Decomposition, followed by Canonical Composition

           2  NFKD: Compatibility Decomposition

           3  NFC: Canonical Decomposition, followed by Canonical Composition

           4  NFD: Canonical Decomposition

           5  NFKC_CF: Compatibility Decomposition, followed by Canonical Composition and Case Folding
      Some normalization modes are only available if they are supported by the library tin  uses  to  do  the
      normalization. NFC should be used if possible.

      Go to first unread article in group (pos_first_unread)
          If ON put cursor at first unread article in group otherwise at last article. Default is ON.

      Use 8bit characters in news headers (post_8bit_header)
          Allows  8bit  characters  unencoded  in the header of a news article, if set this also disables the
          generation of MIME-headers when they  are  usually  required.  Default  is  OFF.  Only  enacted  if
          post_mime_encoding  is also set to 8bit. In a number of local hierarchies where 8bit characters are
          used, using unencoded (raw) 8bit characters in header is acceptable and sometimes even  recommended
          so  that you need to check the convention adopted in the local hierarchy of your interest to deter‐
          mine what to do with this and post_mime_encoding.

      MIME encoding in news messages (post_mime_encoding)
          MIME encoding of the body in news message, if necessary. (8bit,  base64,  quoted-printable,  7bit).
          Default  is 8bit, which leads to no encoding.  base64 and quoted-printable are usually undesired on
          usenet.

      View post-processed files (post_process_view)
          If ON, then tin will start an appropriate viewer program to display any files that were  post  pro‐
          cessed and uudecoded. The program is determined using the mailcap(5) file. Default is ON.

      Post process saved articles (post_process_type)
          This specifies whether to perform post processing on saved articles.  Because the shell archive may
          contain commands you may not want to be executed, be careful when extracting shell  archives.   The
          following values are allowed:

           0  No (default), no post processing is done.

           1  Shell archives, unpacking of multi-part shar(1) files only.

           2  Yes, binary attachments and data will be decoded and saved.

      Filename to be used for storing posted articles (posted_articles_file)
          Keep  posted  articles in given file. If the given filename does not contain any expandable strings
          it will be prefixed with ${TIN_HOMEDIR:-"$HOME"}/Mail/. If no filename is set  then  postings  will
          not  be saved. See the section "MAILING PIPING PRINTING REPOSTING AND SAVING ARTICLES" for more in‐
          formation about the various expansion characters. Default is 'posted'.

      Print all headers when printing (print_header)
          If ON, then the full article header is sent to the printer. Otherwise  only  the  ''Subject:''  and
          ''From:'' fields are output. Default is OFF.

      Printer program with options (printer)
          The  printer  program with options that is to be used to print articles.  The default is lpr(1) for
          BSD machines and lp(1) for SysV machines. Printing from tin may have been disabled  by  the  System
          Administrator.

      Process only unread articles (process_only_unread)
          If ON only save/print/pipe/mail unread articles (tagged articles excepted).  Default is OFF.

      Show empty Followup-To in editor (prompt_followupto)
          If ON show empty ''Followup-To:'' header when editing an article. Default is OFF.

      Characters used as quote-marks (quote_chars)
          The  character used in quoting included text to article followups and mail replies. The '_' charac‐
          ter represents a blank character and is replaced with ' ' when read, %I  is  replaced  by  author's
          initials. Default is '>_'.

      Quoting behavior (quote_style)
          How  articles  should be quoted when following up or replying to them. There are a number of things
          that can be done: empty lines can be quoted, signatures can be quoted and quote_chars can  be  com‐
          pressed  when  quoting multiple times (for example, '> > >' will be turned into '>>>'). The default
          is to compress quotes, and to quote empty lines.
          When you are viewing an article in raw mode ('^H'), and follow up or reply  to  it,  the  signature
          will  be  quoted  even if it would otherwise not be.  If show_signatures is off, then the signature
          will never be quoted.

      Regex used to show quoted lines (quote_regex)
          A regular expression that will be applied when reading articles. All matching lines  are  shown  in
          col_quote. If quote_regex is blank, then tin uses a built-in default.

      Regex used to show twice quoted l. (quote_regex2)
          A  regular  expression  that will be applied when reading articles. All matching lines are shown in
          col_quote2. If quote_regex2 is blank, then tin uses a built-in default.

      Regex used to show >= 3 times q.l. (quote_regex3)
          A regular expression that will be applied when reading articles. All matching lines  are  shown  in
          col_quote3. If quote_regex3 is blank, then tin uses a built-in default.

      Article recentness time limit (recent_time)
          If set to 0, this feature is deactivated, otherwise it means the number of days. Default is 2.

      Render BiDi (render_bidi)
          If  ON  tin does the rendering of bi-directional text. If OFF tin leaves the rendering of bi-direc‐
          tional text to the terminal. Default is OFF.

      Interval in seconds to reread active (reread_active_file_secs)
          The news ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active} file is reread at regular  intervals
          to show if any new news has arrived. Default is 1200. Setting this to 0 will disable this feature.

      Directory to save arts/threads in (savedir)
          Directory where articles/threads are saved. Default is ${TIN_HOMEDIR:-"$HOME"}/News.

      Score limit (kill) (score_limit_kill)
          If the score of an article is below or equal this value the article gets marked as killed.

      Score limit (select) (score_limit_select)
          If the score of an article is above or equal this value the article gets marked as hot.

      Default score to kill articles (score_kill)
          Score of an article which should be killed, this must be <= score_limit_kill.

      Default score to select articles (score_select)
          Score of an article which should be marked hot, this must be >= score_limit_select.

      Number of lines to scroll in pager (scroll_lines)
          The  number  of lines that will be scrolled up/down in the article pager when using cursor-up/down.
          The default is 1 (line-by-line). Set to 0 to get traditional tin page-by-page scrolling. Set to  -1
          to  get  page-by-page scrolling where the top/bottom line is carried over onto the next page.  This
          setting supersedes show_last_line_prev_page=ON. Set to -2 to get half-page scrolling. This  setting
          supersedes full_page_scroll=OFF.

      Format string for the Selection level (select_format)
          Format  string tin uses for Selection level representation. See the section "CUSTOMIZING THE SCREEN
          FORMAT". Default is "%f %n %U  %G  %d".

      In group and thread level, show author by (show_author)
          Which information about the author should be shown. Default is 2, authors full name.

           0  None, only the ''Subject:'' line will be displayed.

           1  Address, ''Subject:'' line & the address part of the ''From:'' line are displayed.

           2  Full Name, ''Subject:'' line & the authors full name part of the ''From:'' line  are  displayed
              (default).

           3  Address and Name, ''Subject:'' line & all of the ''From:'' line are displayed.

      Show description of each newsgroup (show_description)
          If  ON  show  a short group description text after newsgroup name at the group selection level. The
          ''-d'' command-line flag will override the setting and turn descriptions  off.  The  text  used  is
          taken from the ${TIN_LIBDIR:-NEWSLIBDIR}/newsgroups file and if supported (requires tin to be build
          with mh-mail-handling support) from ${TIN_HOMEDIR:-"$HOME"}/.tin/mailgroups for mailgroups. Default
          is ON.

      Function for sorting articles (sort_function)
          Function used for sorting articles. Default is 0.

           0  Use qsort(3) for sorting.

           1  Use  heapsort(3)  for sorting. This might be faster in large groups with long threads (somewhat
              presorted data).

      Show lines/score in listings (show_info)
          Which information about the thread or article should be shown. Default is 1,  show  only  the  line
          count.

           0  None, no information will be displayed.

           1  Lines,  in article listing the line count of an article will be displayed and in thread listing
              the line count of first (unread) article will be displayed.

           2  Score, in article listing the score of an article will be displayed and in thread  listing  the
              score of the thread will be displayed — see also thread_score.

           3  Lines & Score, display line count and score.

      Show only unread articles (show_only_unread_arts)
          If ON show only new/unread articles otherwise show all articles.  Default is ON.

      Show only groups with unread arts (show_only_unread_groups)
          If ON show only subscribed groups that contain unread articles. Default is OFF.

      Display signatures (show_signatures)
          If OFF don't show signatures when displaying articles. Default is ON.

      Prepend signature with '\n-- \n' (sigdashes)
          If ON prepend the signature with sigdashes. Default is ON.

      Create signature from path/command (sigfile)
          The  path  that specifies the signature file to use when posting, following up to or replying to an
          article. If the path is a directory then the signature will be randomly generated from  files  that
          are  in the specified directory. If the path starts with a ! the program the path points to will be
          executed to generate a signature. In order to pass the group name to the program, %G can be  speci‐
          fied.  This  will be replaced by the name of the current newsgroup. --none will suppress any signa‐
          ture.  Default is ${TIN_HOMEDIR:-"$HOME"}/.Sig.

      Add signature when reposting (signature_repost)
          If ON add signature to reposted articles. Default is ON.

      Regex used to highlight /slashes/ (slashes_regex)
          A regular expression that will be applied when reading articles. All matching words  are  shown  in
          col_markslash or mono_markslash. If slashes_regex is blank, then tin uses a built-in default.

      Sort articles by (sort_article_type)
          This  specifies  how articles should be sorted. Sort by ascending Date (6) is the default. The fol‐
          lowing sort types are allowed:

           0  Nothing, don't sort articles.

           1  Subject: (descending), sort articles by ''Subject:'' field descending.

           2  Subject: (ascending), sort articles by ''Subject:'' field ascending.

           3  From: (descending), sort articles by ''From:'' field descending.

           4  From: (ascending), sort articles by ''From:'' field ascending.

           5  Date: (descending), sort articles by ''Date:'' field descending.

           6  Date: (ascending), sort articles by ''Date:'' field ascending (default).

           7  Score (descending), sort articles by filtering score descending.

           8  Score (ascending), sort articles by filtering score ascending.

           9  Lines: (descending), sort articles by ''Lines:'' field descending.

           10 Lines: (ascending), sort articles by ''Lines:'' field ascending.

      Sort threads by (sort_threads_type)
          This specifies how threads will be sorted. Sort by descending Score (1) is the default. The follow‐
          ing sort types are allowed:

           0  Nothing, don't sort threads.

           1  Score (descending), sort threads by filtering score descending (default).

           2  Score (ascending), sort threads by filtering score ascending.

           3  Last posting date (descending), sort threads by date of last posting descending.

           4  Last posting date (ascending), sort threads by date of last posting ascending.

      Spamtrap warning address parts (spamtrap_warning_addresses)
          Set this option to a list of comma-separated strings to be warned if you are replying to an article
          by mail where the e-mail address contains one of these strings. The matching  is  case-insensitive.
          Example:

          spam,delete,remove

      Regex used to highlight *stars* (stars_regex)
          A  regular  expression  that will be applied when reading articles. All matching words are shown in
          col_markstar or mono_markstar. If stars_regex is blank, then tin uses a built-in default.

      Strip blanks of end of lines (strip_blanks)
          Strips the blanks from the end of each line therefore speeding up the display  when  reading  on  a
          slow terminal or via modem. Default is ON.

      Remove bogus groups from newsrc (strip_bogus)
          Bogus  groups  are  groups  that  are  present in your ${TIN_HOMEDIR:-"$HOME"}/.newsrc file that no
          longer exist on the news server. There are 3 options. 0  means  do  nothing  &  always  keep  bogus
          groups.  1 means bogus groups will be permanently removed. 2 means that bogus groups will appear on
          the Group Selection Menu, prefixed with a 'D'. This allows you to unsubscribe from them as and when
          you wish. Default is 0 (Always Keep).

      No unsubscribed groups in newsrc (strip_newsrc)
          If   ON,   then   unsubscribed   groups   will   be   permanently  removed  from  your  ${TIN_HOME‐
          DIR:-"$HOME"}/.newsrc file. Default is OFF.

      Regex with Subject prefixes (strip_re_regex)
          A regular expression to find Subject prefixes like "Re:" to remove.  If  strip_re_regex  is  blank,
          then tin(1) uses a built-in default.

      Regex with Subject suffixes (strip_was_regex)
          A regular expression to find Subject suffixes like "(was:" to remove.  If strip_was_regex is blank,
          then tin(1) uses a built-in default.

      Regex used to highlight -strokes- (strokes_regex)
          A regular expression that will be applied when reading articles. All matching words  are  shown  in
          col_markstroke or mono_markstroke.  If strokes_regex is blank, then tin uses a built-in default.

      Wrap around threads on next unread (wrap_on_next_unread)
          If enabled a search for the next unread article will wrap around all articles to find also previous
          unread articles. If disabled the search stops at the end of the thread list. Default is ON.

      Display "a as Umlaut-a (tex2iso_conv)
          If ON, show "a as Umlaut-a, etc. Default is OFF. This behavior can also be toggled in  the  article
          viewer via PageToggleTex2iso ('"').

      Thread articles by (thread_articles)
          Defines which threading method to use. It's possible to set the threading type on a per group basis
          by  setting  the  group  attribute  variable  thread_arts  to  0  –  4  in  the  file   ${TIN_HOME‐
          DIR:-"$HOME"}/.tin/attributes. (See also "GROUP ATTRIBUTES".)  The default is Both Subject and Ref‐
          erences.  The choices are:

           0  None, don't thread.

           1  Subject, thread on ''Subject:'' only.

           2  References, thread on ''References:'' only.

           3  Both Subject and References, thread on ''References:'' then ''Subject:'' (default).

           4  Multipart Subject, thread multipart articles on ''Subject:''.

           5  Percentage Match, thread base upon a partial character match on ''Subject:''.

      Catchup thread by using left key (thread_catchup_on_exit)
          If ON catchup group/thread when leaving with the left arrow key. Default is ON.

      Format string for the Thread level (thread_format)
          Format string tin uses for Thread level representation. See the  section  "CUSTOMIZING  THE  SCREEN
          FORMAT". Default is "%n %m  [%L]  %T  %F".

      Matchingness of a thread (thread_perc)
          How  closely the subjects must match for two threads to be considered part of the same thread. This
          is a percentage and the default if 75%.

      Score of a thread (thread_score)
          How the total score of a thread is computed. Default is 0, the maximum score in this thread.

           0  Max, the maximum score in this thread.

           1  Sum, the sum of all scores in this thread.

           2  Average, the average score in this thread.

      Transliteration (translit)
          If ON append //TRANSLIT to the first argument of  iconv_open(3)  to  enable  transliteration.  This
          means  that  when a character cannot be represented in the target character set, it can be approxi‐
          mated through one or several similarly looking characters. On systems where this extension  doesn't
          exist, this option is disabled. Default is OFF.

      How to treat blank lines (trim_article_body)
          Allows  you to select how tin treats blank lines in article bodies.  Default is 0. This option does
          not affect lines within verbatim blocks.

           0  Don't trim article body, do nothing.

           1  Skip leading blank lines.

           2  Skip trailing blank lines.

           3  Skip leading and trailing blank l., skip leading and trailing blank lines.

           4  Compact multiple between text, replace multiple blank lines between text blocks with one  blank
              line.

           5  Compact multiple and skip leading, 4 + 1

           6  Compact multiple and skip trailing, 4 + 2

           7  Compact mltpl., skip lead. & trai., 4 + 3

      Regex used to highlight _underline_ (underscores_regex)
          A  regular  expression  that will be applied when reading articles. All matching words are shown in
          col_markdash or mono_markdash. If underscores_regex is blank, then tin uses a built-in default.

      Remove ~/.article after posting (unlink_article)
          If ON remove ~/.article after posting. Default is ON.

      Program that opens URLs (url_handler)
          The program that will be run when launching URLs in the article viewer using PageViewUrl ('U'). The
          actual URL will be appended.  Default is url_handler.pl.

      URL highlighting in message body (url_highlight)
          Enable highlighting URLs in message body. Default is ON.

      Use ANSI color (use_color)
          If enabled tin uses ANSI-colors. Default is OFF.

      Use scroll keys on keypad (use_keypad)
          Default is OFF.

      Use mouse in xterm (use_mouse)
          Allows the mouse button support in an xterm(1x) to be enabled/disabled.  Default is OFF.

      Use slrnface to show ''X-Face:''s (use_slrnface)
          If  enabled  tin  uses slrnface(1) to interpret the ''X-Face:'' header. For this option to have any
          effect, tin must be running in an xterm(1x) and slrnface(1) must be in your $PATH. Default is OFF.

      Use UTF-8 graphics (utf8_graphics)
          If ON use UTF-8 characters for indicator ('->'), thread/attachment tree and ellipsis  ('...').  De‐
          fault is OFF.

      Regex for begin of a verbatim block (verbatim_begin_regex)
          A regular expression that tin will use to find the begin of a verbatim block.

      Regex for end of a verbatim block (verbatim_end_regex)
          A regular expression that tin will use to find the end of a verbatim block.

      Detection of verbatim blocks (verbatim_handling)
          If ON verbatim blocks will be detected. Default is ON.

      Wildcard matching (wildcard)
          Allows  you  to  select how tin matches strings. The default is 0 and uses the wildmat(3) notation,
          which is how this has traditionally been handled.  Setting this to 1 allows you to use perl(1) com‐
          patible  regular  expressions  pcre(3)  (see also perlre(1) and pcrepattern(3)).  You will probably
          want to update your filter file if you use this regularly.  NB:  Newsgroup  names  will  always  be
          matched using the wildmat(3) notation.

      What to display instead of mark (word_h_display_marks)
          Should  the leading and ending stars, slashes, strokes and dashes also be displayed, even when they
          are highlighting marks?

           0  no

           1  yes, display mark

           2  print a space instead

      Word highlighting in message body (word_highlight)
          Enable word highlighting. See word_h_display_marks for the options available. If use_color  is  en‐
          abled the colors specified in col_markdash, col_markslash, col_markstar and col_markstroke are used
          for word highlighting else the character attributes  specified  in  mono_markdash,  mono_markslash,
          mono_markstar and mono_markstroke are used. Default is ON.

      Page line wrap column (wrap_column)
          Sets  the column at which a displayed article body should be wrapped.  If this value is equal to 0,
          it defaults to the current screen width.  If this value is greater than your current  screen  width
          the part off-screen is not displayed. Thus setting this option to a large value can be used to dis‐
          able wrapping. If this value is negative the wrap margin is the current screen width plus the given
          value  (as  long as the result is still positive, otherwise it will fall back to the current screen
          width). Default is 0, wrapping at the current screen width.

      Quote line when crossposting (xpost_quote_format)
          Format is the same as for news_quote_format, this is used when answering to a crossposting to  sev‐
          eral groups with no ''Followup-To:'' set.

  ATTRIBUTES MENU AND GROUP ATTRIBUTES
      tin allows certain attributes to be set on a per group basis. If it exists, the global attributes file,
      ${TIN_LIBDIR:-NEWSLIBDIR}/attributes is read. After that, the user's own  attributes  file  ${TIN_HOME‐
      DIR:-"$HOME"}/.tin/attributes  is  read.  The global attributes file is useful for distributing system-
      wide defaults to new users who have no private attributes file yet.

      Note that the scope=<grouplist> line has to be specified before the attributes are specified  for  that
      list. All attributes are set to a reasonable default so you only have to specify the attribute that you
      want to change (e.g., savedir). All toggle attributes are set by specifying  ON/OFF.  Otherwise,  these
      function exactly the same as their global equivalents. For more details see tin(5).

      Attributes  can  also  be  changed from the attributes menu which can be accessed by ConfigToggleAttrib
      ('<TAB>') from the options menu or ScopeSelect ('^J' or '<CR>') from the scopes menu.   The  attributes
      menu  looks and behaves very similar to the options menu. The title shows the current scope. Attributes
      set in the current scope are marked with '+' to the left of the attributes number.

      Besides the keys for moving around and changing values known from the options menu the attributes  menu
      provides the following command: ConfigResetAttrib ('r') which resets an attribute to a default value.

  SCOPES MENU
      The  scopes  menu  (accessible  from the options menu with ConfigScopeMenu ('S')) shows all scopes read
      from the global and local attributes file.  Scopes from the global attributes file are marked with  '!'
      to the left of the scope number. Delete/rename/move are not possible with those scopes.

      In  addition  to  the  common  moving  keys  the following commands are available: ScopeSelect ('^J' or
      '<CR>') enter the attributes menu for the current scope, ScopeEditAttributesFile ('E') edit  the  local
      attributes  file, ScopeAdd ('a') add a new scope, ScopeDelete ('d') delete the current scope, ScopeMove
      ('m') move the current scope to a new position, ScopeRename ('r') rename  the  current  scope.  Toggle‐
      HelpDisplay  ('H')  toggles  the help mini menu at the bottom of the screen and posting etiquette after
      composing an article (beginner_level).

  FILTERING ARTICLES
      When there is a subject or an author which you are either very interested in, or find completely  unin‐
      teresting,  you  can easily instruct tin to auto-select or auto-kill articles that match rules that you
      specify. This can be anything from the name of the author to the number of lines in an article.

      When tin starts up the user's kill-file ${TIN_HOMEDIR:-"$HOME"}/.tin/filter (see also tin(5)) is  read.
      Each  time  a newsgroup is entered the rules are applied and articles killed or selected when they meet
      certain criteria.

      The degree to which rules are applied depend on the kill_level tinrc setting. By default  killed  arti‐
      cles will only be marked read. Adjust kill_level for more aggressive processing. Articles that match an
      auto-selection rule are marked with a ''*''.

      Filtering rules can be manually entered into ${TIN_HOMEDIR:-"$HOME"}/.tin/filter  (but  don't  do  this
      whilst running tin else you will lose your changes) or by using an on-screen menu within tin.

      The  filtering  capabilities  of tin have been significantly enhanced over previous versions to include
      scoring and better pattern matching. It is recommended that you read the file filtering in the tin doc‐
      umentation directory. This file can also be read online at
      <http://www.tin.org/filtering.txt>.

      The  on-screen  filtering menu is accessed by pressing MenuFilterKill ('^K') or MenuFilterSelect ('^A')
      at the Group and Article levels. It allows the user to kill or select an article that matches the  cur‐
      rent  ''Subject:'' line, ''From:'' line or a string entered by the user. The user entered string can be
      applied to the ''Subject:'' or ''From:'' line of an article. The filter can be limited to  the  current
      newsgroup  or  it can apply to all newsgroups. Once entered the user can abort the command and not save
      the new filter, edit the full filter file or save filter.

  POSTING ARTICLES
      tin allows posting of articles, follow-up to already posted articles and replying direct  through  mail
      to the author of an article.

      Use  the Post ('w') command to post an article to a newsgroup.  After entering the post subject the de‐
      fault editor (i.e., vi(1)) or the editor specified by the $VISUAL or $EDITOR environment variable  will
      be started and the article can be entered. To crosspost articles simply add a comma and the name of the
      newsgroup(s) to the end of the ''Newsgroups:'' line at the beginning of the article. After  saving  and
      exiting  the editor you are asked if you wish to a)bort posting the article, e)dit the article again or
      p)ost the article to the specified newsgroup(s).

      Use the DisplayPostHist ('W') command to display a history of the articles you have  posted.  The  date
      the  article  was  posted, which newsgroups the article was posted to and the articles subject line are
      displayed. See the section "POSTING HISTORY LISTING" for more information.

      Use the PageFollowupQuote ('f'), PageFollowup ('F') or PageFollowupQuoteHeaders ('^W') command to  post
      a  follow-up  article to an already posted article. The PageFollowupQuote command will copy the text of
      the original article into the editor. The PageFollowupQuoteHeaders command will copy the text  and  all
      headers  of  the original article into the editor. The editing procedure is the same as when posting an
      article with the Post ('w') command.

      Use the PageReplyQuote ('r'), PageReply ('R') or PageReplyQuoteHeaders ('^E') command to  reply  direct
      through  mail to the author of an already posted article. The PageReplyQuote command will copy the text
      of the original article into the editor. The PageReplyQuoteHeaders command will copy the text  and  all
      headers  of  the original article into the editor. The editing procedure is the same as when posting an
      article with the Post ('w') command. After saving and exiting the editor you are asked if you  wish  to
      abort  sending  the  article via PostAbort ('a'), edit the article again via PostEdit ('e') or send the
      article to the author via PostSend ('s').

  CUSTOMIZING THE ARTICLE QUOTE STRING
      When posting a followup to an article or replying direct to the author of an article via email the text
      of the article can be quoted. The beginning of the quoted text can contain information about the quoted
      article (e.g., Name and the Message-ID of the article). To allow for different situations  certain  in‐
      formation  from  the  article can be used in the quoted string. The following variables are expanded if
      found in the tinrc variables mail_quote_format, news_quote_format or xpost_quote_format:
             %A  Address (Email)
             %D  Date (uses date_format)
             %F  Full address (%N <%A>)
             %G  Groupname
             %M  Message-ID
             %N  Fullname of author
             %C  Firstname of author
             %I  Initials of author
      e.g.,
             mail_quote_format=On %D in %G you wrote:
             news_quote_format=In %M, %F wrote:
      would expand to:
             On 21 Sep 1993 09:45:51 -0400 in alt.sources you wrote:
             In <[email protected]>, Joe Bar <[email protected]> wrote:
      The quoted text section of an article is marked by a preceding quote string at the  beginning  of  each
      quoted  line.  The default quote string is set to '>_'. The default can be changed by setting the tinrc
      variable quote_chars to ones own preference. (Note that '_' underline is used to represent a space).

  MAILING PIPING PRINTING REPOSTING AND SAVING ARTICLES
      The command interface to GroupMail, PageMail, PostMail or ThreadMail ('m'), Pipe  ('|'),  Print  ('o'),
      PageRepost  or  GroupRepost ('x') and GroupSave, PageSave or ThreadSave ('s' and GroupAutoSave, PageAu‐
      toSave or ThreadAutoSave 'S') articles is the same for ease of use.

      Auto-saving with *AutoSave ('S') is a special case and operates only on marked articles. They will pro‐
      cessed  without  any  further prompting according to the default save parameters defined in tinrc or by
      any attributes set for the current group.

      Otherwise, the initial prompt will ask you to select which article, thread, hot (auto-selected),  regu‐
      lar expression pattern, tagged articles you wish to mail, pipe etc.

      Tagged articles must have already been tagged with a *Tag ('t') command. All tagged articles can be un‐
      tagged by a *Untag ('U') untag command.

      If a regular expression pattern is selected you are asked to enter a pattern (e.g., to match all  arti‐
      cles subject lines containing 'net News' you enter "net News"). Any articles that match the entered ex‐
      pression will be mailed, piped etc. See also the wildcard tinrc variable for advanced pattern  matching
      options.

      Various  expansion  characters are recognized when entering the directory and file to save to. Environ‐
      ment variables (prefixed with '$') and user home directories (prefixed by '~' or  '~username')  can  be
      specified.  Environment variables can themselves contain other special characters.

      To  save  articles  to a mailbox enter '=<mailbox name>' when asked for the save filename. If you enter
      just '=' then articles will be saved to  a  mailbox  with  the  name  of  the  current  newsgroup  (eg,
      alt.sources).  See maildir.

      To  save  in savedir/<news.group.name>/<filename> format enter '+<filename>'.  See savedir. Like '+' %G
      is expanded to the current news.group.name  but  without  savedir  prefixed.  %P  is  expanded  to  the
      news.group.name with all '.' replaced by '/'.

      If  saving  multiple  files  at  once  the filename (if not referring to a mailbox) will be extended by
      ".num" where "num" is at least 3 digit number counting up from 1.  Environment  variables  are  allowed
      within a filename (e.g., $SOURCES/dir/filename).

      When  saving  articles  you  can  specify  whether  the saved files should be post processed. A default
      process type can be set via post_process_type.

  AUTOMATIC MAILING AND SAVING NEW NEWS
      tin allows new/unread news articles to be mailed (''-M'' and ''-N'' option) or saved (''-S'' option) in
      batch  mode  for later reading. Useful when going on holiday and you don't want to return and find that
      expire has removed a whole load of unread articles. Best to run via cron(8) everyday while away,  after
      which you will be mailed a report of which articles were mailed/saved from which newsgroups and the to‐
      tal number of articles mailed/saved. Articles are saved in a private news structure under your  savedir
      directory (default is ${TIN_HOMEDIR:-"$HOME"}/News).  Be careful of using this option if you read a lot
      of groups because you could overflow your file system.

      When using ''-S'' together with a given directory to save to (''-s'' option), the same  directory  must
      be specified when reading the articles by ''-R''.

      If  you  only  want  to save some of your groups use the batch_save tinrc variable. Set to ON or OFF in
      tinrc to enable/disable saving of all groups and then use the batch_save attribute to fine  tune  which
      groups  you  want  to  have  saved.  For  example,  if  you  want to save most of your groups, then set
      batch_save to ON in tinrc and selectively turn off the ones you don't want using attributes.

      tin -M iain -c -f newsrc.mail
                          (mail any unread articles in newsgroups specified in file newsrc.mail to the  local
                          user iain and mark them as read)

      tin -S -c -f newsrc.save
                          (save any unread articles in newsgroups specified in file newsrc.save and mark them
                          as read)

      tin -R              (read any articles saved by tin -S)

  RANGES
      A range is simply a group of items marked using the SetRange ('#') key. Certain tin commands will oper‐
      ate  on  a  range if one exists rather than just the current item. A range is an expression of the form
      <min>–<max>, e.g. 10–15 will highlight items 10 through 15 on the current screen. Other  than  absolute
      numeric  positions, '.' can be used in place of the current cursor position and '$' can be used to mean
      the highest number available. Currently the only commands that understand ranges  are  GroupMarkThdRead
      ('K'), MarkArtUnread ('z') and MarkThdUnread ('Z').

  NEWSGROUP LISTS & WILDCARDS
      Several  places  in  tin  allow you to specify a list of newsgroups. These include command-line groups,
      (un)subscribe groups, the AUTO[UN]SUBSCRIBE mechanism. The scope= attributes file tag  and  the  filter
      file group= tag also use the same syntax. tin interprets this variable similarly to rn(1).  It contains
      a list of patterns, separated by commas and possibly prefixed with exclamation points.  An  exclamation
      point  negates  the  meaning of a match on this pattern, and can be used to cancel certain matches. See
      wildmat(3) for details about the understood patterns. Some examples:

      alt.config,news.*,!news.test

      Matches alt.config and everything in the 'news' hierarchy except news.test

      See the explanation for the $AUTOSUBSCRIBE and $AUTOUNSUBSCRIBE variables for further examples.

  SIGNATURES
      tin  will  recognize  a  signature  in   either   ${TIN_HOMEDIR:-"$HOME"}/.signature   or   ${TIN_HOME‐
      DIR:-"$HOME"}/.Sig.   If  ${TIN_HOMEDIR:-"$HOME"}/.signature  exists, then the signature will be pulled
      into the editor for mail commands only. A signature in ${TIN_HOMEDIR:-"$HOME"}/.signature will  not  be
      pulled into the editor for posting commands since inews(1) will append the signature itself.

      A signature in ${TIN_HOMEDIR:-"$HOME"}/.Sig will be pulled into the editor for both posting and mailing
      commands.

      The following is an example of a .Sig file:
             NAMES  Joe Bar <[email protected]>
             SNAIL  Musterweg 12, 99999 Notreal, Germany

      tin also has the capability to generate random signatures on a per newsgroup basis if so  desired.  The
      way  to  accomplish this is to specify the default signature or the group attribute sigfile as a direc‐
      tory. If for example the sigfile path is /usr/iain/.sigs and .sigs is a directory then tin will  select
      a  random  signature  from  any  file  that is in the directory .sigs (note: one signature per numbered
      file). A random signature can also consist of a fixed part signature that can contain  your  name,  ad‐
      dress  etc.  followed  by  the  random  sig.  The  fixed  part  of the random sig is read from the file
      $HOME/.sigfixed.

  CUSTOMIZING THE SCREEN FORMAT
      The look of the Selection, Group and Thread level can be customized via format  strings.  These  format
      strings  define  the  content and the position of each element on the screen. Variables are used within
      the format strings as placeholders. The following variables are available:

         %D    date
         %F    from, name and/or address
         %G    newsgroup name
         %I    initials
         %L    line count
         %M    message-id
         %R    number of responses in thread
         %S    score
         %T    thread tree
         %U    unread count
         %d    newsgroup description
         %f    newsgroup flag
         %m    article marks
         %n    current group/thread/article number
         %s    subject
         %%    %

      Not all variables can be used in each level. The following table provides an overview:

             select_format group_format thread_format
         %D                      X            X
         %F                      X            X
         %G        X
         %I                      X            X
         %L                      X            X
         %M                      X            X
         %R                      X
         %S                      X            X
         %T                                   X
         %U        X
         %d        X
         %f        X
         %m                      X            X
         %n        X             X            X
         %s                      X
         %%        X             X            X

      Defaults for the format strings:

         select_format: "%f %n %U  %G  %d"
         group_format:  "%n %m %R %L  %s  %F"
         thread_format: "%n %m  [%L]  %T  %F"

      show_description controls whether the newsgroup description is shown or not. The description  can  also
      be toggled with SelectToggleDescriptions ('d').

      The  information  displayed with '%F' depends on the value of show_author. GroupToggleSubjDisplay resp.
      ThreadToggleSubjDisplay ('d') switches through all available options.

      For date representation '%D' uses date_format. It is possible to specify a  different  date  format  in
      round brackets (e.g. '%(%d %b %y %H:%M)D'). See date_format for more details.

      The  length of each item (except '%%') can be defined with a positive number after the '%'. The follow‐
      ing example displays the score in the thread level 10 characters wide: '%10S'.

      If the newsgroup name is displayed together with the newsgroup description, the width of the  newsgroup
      name  can  be  controlled via an optional comma separated second value (e.g. '%60,20G'). It is valid to
      omit the first value (e.g. ('%,20G')). If no second value is given, tin uses a default value of 32.

      Some variables do have a default width which may lead to truncation.  Truncation  for  variables  which
      contain  only numbers happens by dividing the value with a sufficient power of ten and adding a SI suf‐
      fix to the result, that is the variable holds a value of 54321 and the width for the variable is 4  the
      result  will  be  "54  k". If that's undesired you have to specify a larger width manually, e.g. '%6n'.
      Here is an overview of the defaults:

         Variable  width
         %I         3
         %L         4
         %M        10
         %R         3
         %S         6
         %U         5
         %n         4

      If no length is given for '%D', the length is determined by the format string for the date and the date
      of  the current day. If the date format string contains weekdays or months names it may happen that the
      date is longer than determined in the first pass. In this case, the date is truncated  before  display.
      This  occurs,  for  example, if the current month is May and the article to which the date is displayed
      was posted in December. In such cases it might useful to determine  the  maximum  length  manually  and
      specify the length in the format string.

      In  case  the  format string contains '%G' and '%d' and no length are given, tin determines the longest
      newsgroup name and uses this length for '%G'. The remaining space will used for '%d'.

      When the format string contains the specifier '%F' and '%s' resp. '%T' and no length  are  given,  '%F'
      will use one third and '%s' resp. '%T' will use two third of the available space.

      In  addition, a minimum screen width can be defined for each item (except '%%'). In this case, the item
      will only be displayed when the screen is wider than specified. This comes in handy to not  overload  a
      small  screen but have maximum information on a large screen. The minimum screen width has to be speci‐
      fied by a positive number preceded by an '>'. In the following example tin will display the score  only
      if the screen is wider than 100 characters: '%>100S'.

      If both the length and the minimum screen width should be specified for an item, the length must be the
      first parameter and the minimum screen width must be the second one. The following example displays the
      score with a length of 10 characters only if the screen is wider than 100 characters: '%10>100S'.

  TIPS AND TRICKS
      tin can be pretty much be navigated by using the four cursor keys.  The left arrow key goes up a level,
      the right arrow key goes down a level, the up arrow key goes up a line and the down arrow key goes down
      a line.

      The following newsgroups provide useful information concerning news software:
          —news.software.readers (info. about news user agents tin, rn, nn, slrn etc.)
          —news.software.nntp (info. about NNTP)
          —news.answers (Frequently Asked Questions (FAQ) about many different themes)

      Many prompts within tin offer a default choice that the cursor is positioned on. By pressing '<CR>' the
      default value is taken.  Most prompts can be aborted by pressing '<ESC>'.

      When tin is run in an xterm(1x) it will resize itself each time the xterm(1x) is resized.

      tin  will  reread  the  ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active}  file  at  set  intervals
      (reread_active_file_secs) to show any newly arrived news.

      If  you find large number of new newsgroups cluttering up your screen, pressing SelectToggleReadDisplay
      ('r') will make them go away.

  XTERM BUTTONS
      If the environment variable $TERM is set to xterm(1x), then button  pressing  can  be  used  to  select
      groups  and  articles. In this discussion, the buttons are assumed to be assigned conventionally (i.e.,
      Button1 is the left button).

      In general (i.e., for the group, thread and article menus),

      Button1 (left)
                enters next (lower) level if you click on an article, otherwise pages down.

      Button2 (center)
                returns to the previous (upper) level if you click on an article, otherwise pages up.

      Button3 (right)
                positions on the article line under mouse cursor, or pages down if you've clicked outside the
                list of articles.

      In the group selection menu, if the mouse is pointing at a group then:

      left button
                moves to and selects the group pointed at, just like SelectReadGrp ('<CR>').

      center button
                quits the program, just like Quit ('q').

      right button
                moves to the group pointed at.

      In the article menu, if the mouse is pointing at an article (or thread) then:

      left button
                reads  the article pointed at, just like GroupReadBasenote ('<CR>'), or the thread, just like
                GroupListThd ('l').

      center button
                exits the menu, catching up on the group if you have group_catchup_on_exit set in  your  con‐
                figuration, just like Quit ('q').

      right button
                moves to the article (or thread) pointed at.

      In the thread menu, if the mouse is pointing at an article then:

      left button
                reads article pointed at, just like ThreadReadArt ('<CR>').

      center button
                exits the menu, catching up on the thread if you have thread_catchup_on_exit set in your con‐
                figuration, just like Quit ('q').

      right button
                moves to the article pointed at.

      In other menus and areas button pressing reverts back to usual cut and paste of  xterm(1x),  but  after
      one click of any button.

  INDEX FILES
      If  your news server supports NOV index files (see newsoverview(5), most modern installations will) and
      you have a fast connection to your news server then this section can be ignored.

      If your news server doesn't support NOV index files or you have a very slow  connection  to  your  news
      server then tin can cache the index for each newsgroup if cache_overview_files is set to ON.  Note that
      this cache can use up large amounts of disk space if you read a  lot  of  groups  and/or  high  traffic
      groups.

      Each  user creates/updates his/her own index files that are stored in ${TIN_INDEX_NEWSDIR:-"${TIN_HOME‐
      DIR:-"$HOME"}/.tin"}/.news/. If you are reading via NNTP then the news server name will be appended  to
      keep the indexes for different servers separate. If you are reading off the local spool and local over‐
      view files already exist then turning on caching will have no effect. Likewise unless you see  signifi‐
      cant  delays  entering a group when reading via NNTP then turning on caching will have little or no ef‐
      fect.

      Entering a group the first time tends to be slow because the index file must be built from scratch.  To
      alleviate  the slowness start tin to create all index files for the groups you subscribe to with tin -u
      -v and go for a coffee. Subsequent readings of a group will only need to do incremental updating of the
      index file and will be much faster as only new articles will need to be cached.

      As  indexing  might  take  some  time  you may want to run tin from the system batcher cron(8) with the
      ''-u'' option:

             30 6 * * * /usr/local/bin/tin -u

      If you are low on local disk space you should consider to manually purge cached data for groups you are
      not reading anymore with something like:

             find ${TIN_INDEX_NEWSDIR:-"${TIN_HOMEDIR:-"$HOME"}/.tin"}/.news* \
             -type f -name "[0-9]*.[0-9]" -atime +28 | xargs rm -f

FILES
      For a detailed description see tin(5).

      $MAILCAPS
      ~/.mailcap
      /etc/mailcap
      /usr/etc/mailcap
      /usr/local/etc/mailcap
      /etc/mail/mailcap

      /etc/news/server

      ${TIN_HOMEDIR:-"$HOME"}/.cancelsecret

      ${TIN_HOMEDIR:-"$HOME"}/.mime.types
      /etc/mime.types
      /etc/tin/mime.types

      ${TIN_HOMEDIR:-"$HOME"}/.newsauth

      ${TIN_HOMEDIR:-"$HOME"}/.newsrc

      ${TIN_HOMEDIR:-"$HOME"}/.tin/$NNTPSERVER${NNTPPORT:+":$NNTPPORT"}/.oldnewsrc

      ${TIN_HOMEDIR:-"$HOME"}/.signature
      ${TIN_HOMEDIR:-"$HOME"}/.Sig

      ${TIN_HOMEDIR:-"$HOME"}/.sigfixed

      ${TIN_HOMEDIR:-"$HOME"}/.tin/.inputhistory

      ${TIN_INDEX_MAILDIR:-"${TIN_HOMEDIR:-"$HOME"}/.tin"}/.mail/

      ${TIN_INDEX_NEWSDIR:-"${TIN_HOMEDIR:-"$HOME"}/.tin"}/.news${NNTPSERVER:+"-$NNTPSERVER"}/

      ${TIN_INDEX_SAVEDIR:-"${TIN_HOMEDIR:-"$HOME"}/.tin"}/.save/

      ${TIN_HOMEDIR:-"$HOME"}/.tin/active.mail

      ${TIN_HOMEDIR:-"$HOME"}/.tin/active.save

      /etc/tin/attributes
      ${TIN_HOMEDIR:-"$HOME"}/.tin/attributes

      ${TIN_HOMEDIR:-"$HOME"}/.tin/filter

      /etc/tin/keymap${${LC_ALL:-"${LC_CTYPE:-"${LC_MESSAGES:-"$LANG"}"}"}:+".${LC_ALL:-"${LC_CTYPE:-"${LC_MESSAGES:-"$LANG"}"}"}"}
      ${TIN_HOMEDIR:-"$HOME"}/.tin/keymap${${LC_ALL:-"${LC_CTYPE:-"${LC_MESSAGES:-"$LANG"}"}"}:+".${LC_ALL:-"${LC_CTYPE:-"${LC_MESSAGES:-"$LANG"}"}"}"}

      ${TIN_HOMEDIR:-"$HOME"}/.tin/mailgroups

      ${TIN_HOMEDIR:-"$HOME"}/.tin/newsrctable

      ${TIN_HOMEDIR:-"$HOME"}/.tin/posted

      ${TIN_HOMEDIR:-"$HOME"}/Mail/posted

      ${TIN_HOMEDIR:-"$HOME"}/.tin/postponed.articles

      ${TIN_HOMEDIR:-"$HOME"}/.tin/$NNTPSERVER:${NNTPPORT:+":$NNTPPORT"}/newsgroups

      ${TIN_HOMEDIR:-"$HOME"}/.tin/$NNTPSERVER:${NNTPPORT:+":$NNTPPORT"}/serverrc

      /etc/tin/tinrc
      ${TIN_HOMEDIR:-"$HOME"}/.tin/tinrc

      /etc/tin/tin.defaults

      /usr/local/share/locale/${LC_MESSAGES}/LC_MESSAGES/tin.mo

      ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active}

      ${TIN_LIBDIR:-NEWSLIBDIR}/active.times

      ${TIN_LIBDIR:-NEWSLIBDIR}/newsgroups

      ${TIN_LIBDIR:-NEWSLIBDIR}/organization

      ${TIN_LIBDIR:-NEWSLIBDIR}/overview.fmt

      ${TIN_LIBDIR:-NEWSLIBDIR}/subscriptions

ENVIRONMENT
      TINRC  Define this variable if you want to specify command-line options that tin should be started with
             to save typing them each time it is started. The contents of the environment variable are  added
             to the front of the command-line options before it is parsed therefore allowing an option speci‐
             fied on the command-line to override the same option specified in the environment.

      TIN_HOMEDIR
             Define this variable if you do not want the .tin directory in $HOME/.  E.g.,  if  you  want  all
             tin's private files in /tmp/.tin you would set $TIN_HOMEDIR to /tmp.

      TIN_INDEX_NEWSDIR
             Define  this  variable  if you do not want the .news directory in ${TIN_HOMEDIR:-"$HOME"}/.tin/.
             E.g., if you want all tin's news index files in /tmp/.news you would set  $TIN_INDEX_NEWSDIR  to
             /tmp.

      TIN_INDEX_MAILDIR
             Define  this  variable  if you do not want the .mail directory in ${TIN_HOMEDIR:-"$HOME"}/.tin/.
             E.g., if you want all tin's mail index files in /tmp/.mail you would set  $TIN_INDEX_MAILDIR  to
             /tmp.

      TIN_INDEX_SAVEDIR
             Define  this  variable  if you do not want the .save directory in ${TIN_HOMEDIR:-"$HOME"}/.tin/.
             E.g., if you want all tin's save index files in /tmp/.save you would set  $TIN_INDEX_SAVEDIR  to
             /tmp.

      TIN_LIBDIR
             Define  this variable if you want to override the NEWSLIBDIR path that was compiled into the tin
             binary, default is /usr/lib/news.  If tin is running in NNTP mode setting this variable  has  no
             effect.

      TIN_SPOOLDIR
             Define  this  variable  if you want to override the SPOOLDIR path that was compiled into the tin
             binary, default is /var/spool/news.  If tin is running in NNTP mode setting this variable has no
             effect.

      TIN_NOVROOTDIR
             Define  this variable if you want to override the NOVROOTDIR path that was compiled into the tin
             binary, default is SPOOLDIR (see above). If tin is running in NNTP mode  setting  this  variable
             has no effect.

      TIN_NOVFILENAME
             Define  this  variable if you want to override the OVERVIEW_FILE filename that was compiled into
             the tin binary, default is .overview. If tin is running in NNTP mode setting this  variable  has
             no effect.

      TIN_ACTIVEFILE
             Define  this  variable if you want to override the NEWSLIBDIR/active path that was compiled into
             the tin binary. If tin is running in NNTP mode setting this variable has no effect. If $TIN_LIB‐
             DIR is set it is prepended to $TIN_ACTIVEFILE.

      NNTPSERVER
             The  default  NNTP  server to remotely read news from. This variable only needs to be set if the
             ''-r'' command-line option is specified and the file /etc/news/server does not exist. The ''-g''
             command line option overrides $NNTPSERVER.

      NNTPPORT
             The  NNTP  TCP-port to read news from. This variable only needs to be set if the TCP-port is not
             119 (the default).  The ''-p'' command-line option overrides $NNTPPORT.

      DISTRIBUTION
             Set the article header field ''Distribution:'' to the contents of the variable  instead  of  the
             system default.

      ISO2ASC
             Set the ISO to ASCII charset decoding table character to use in decoding an article text. Values
             can range from -1 to 6.

           -1     no conversion

           0      universal table for many languages

           1      single-spacing universal table

           2      table for Danish, Dutch, German, Norwegian and Swedish

           3      table for Danish, Finnish, Norwegian and Swedish using the appropriate ISO 646 variant

           4      table with RFC1345 codes in brackets

           5      table for printers that allow overstriking with backspace

           6      table for IBM PC character set (code page 437)

      ORGANIZATION
             Set the article header field ''Organization:'' to the contents of the variable  instead  of  the
             system  default. If reading news on an Apollo DomainOS machine the environment variable $NEWSORG
             has to be used instead of $ORGANIZATION.

      NEWSORG (DomainOS)
             DomainOS specific, same as $ORGANIZATION on other OSs (see above).

      REPLYTO
             Set the article header field ''Reply-To:'' to the return address specified by the variable. This
             is useful if you wish to receive replies at a different address.

      NAME   Overrides the full name given in the gecos-field in /etc/passwd, see also mail_address.

      REALNAME
             Same as $NAME.

      HOME   Pathname of the user's home directory. See environ(5) for more info.

      MAILER This  variable  has  precedence  over  the default mailer that is used in all mailing operations
             within tin.

      MAIL   Full path to the user's mailbox.

      VISUAL This variable has precedence over the default editor (i.e., vi(1)) that is used in  all  editing
             operations  within  tin  (e.g.,  posting, replying, follow-ups, ...). Evaluation order is ${VIS‐
             UAL:-"${EDITOR:-vi}"}. See environ(5) for more info.

      EDITOR If $VISUAL is unset, then this variable is looked up for a default editor. If $EDITOR and  $VIS‐
             UAL  are  both  unset,  tin  uses  the systems default editor (i.e.  vi(1) on UNIX-systems). See
             environ(5) for more info.

      AUTOSUBSCRIBE
             A new group is checked against the list of patterns; if it matches, tin subscribes the  user  to
             the  group without further query.  See the section "NEWSGROUP LISTS & WILDCARDS" for an explana‐
             tion of the valid syntax. For example, setting

             AUTOSUBSCRIBE=comp.os.unix.*,talk.*,!talk.politics.*

             will automatically subscribe the user to all new groups in the comp.os.unix hierarchy,  and  all
             talk groups other than talk.politics groups (which will be queried for as usual). Of course this
             does not work if tin is started with the ''-X'' command-line switch.

      AUTOUNSUBSCRIBE
             Is handled like the $AUTOSUBSCRIBE variable, but groups matching the list are unsubscribed  from
             without further query. For example, setting

             AUTOUNSUBSCRIBE=alt.flame.*,u*,!uk.*

             will  automatically  unsubscribe  the user from all new alt.flame groups and all groups starting
             with u (university groups) other than UK groups (which will be queried for as usual).

      TMPDIR A pathname of a directory made available for tin to create temporary files.

      MAILCAPS
             This variable can be used to override the default path search for  mailcap(5)  files.  See  also
             tin(5).

      NOMETAMAIL
             Set this variable to disable the use of metamail(1) or a replacement (e.g. metamutt).

      MM_CHARSET
             MIME character set used if not configured via the tinrc variable mm_charset.

      ISPELL Set this variable to point to ispell(1) or a replacement and its cmd-line options.

      PGPOPTS
             Define any additional options that you wish to pass to your pgp(1) or gpg(1) program.

      PGPPATH
             Override the name of the pgp(1) directory in $HOME that holds your keys etc..

      GNUPGHOME
             Override the name of the gpg(1) directory in $HOME that holds your keys etc..

      LC_CTYPE
             This variable determines the locale(5) category for character handling functions. Usually it de‐
             termines the character classes for pattern matching character classification  and  case  conver‐
             sion.  Currently  this  is  not  true for tin (which temporary unsets $LC_CTYPE right before any
             match is done to avoid confusion).  It's value should be of the form language[_territory][.code‐
             set][@modifier]. See environ(5) for more information.

      LC_MESSAGES
             Formats  of informative and diagnostic messages and interactive responses.  It's value should be
             of the form language[_territory][.codeset][@modifier]. See locale(5) and environ(5) for more in‐
             formation.

      LC_TIME
             Date  and  time  formats. It's value should be of the form language[_territory][.codeset][@modi‐
             fier]. See locale(5) and environ(5) for more information.

      LC_ALL This variable overrides the value of the $LANG variable and any other $LC_ variable. It's  value
             should  be of the form language[_territory][.codeset]. See locale(5) and environ(5) for more in‐
             formation.

      LANG   This variable determines the locale(5) category for any category not specifically selected  with
             a  variable starting with $LC_. It's value should be of the form language[_territory][.codeset].
             See environ(5) for more information.

      LANGUAGE
             This variable defines a priority list for translations. Whenever a translation is not  available
             in  the  language  selected  via $LC_ALL or $LANG the next language from the list is tried. It's
             value should be of the form language:language[:language]. See environ(5) for more information.

      COLUMNS
             A decimal integer > 0 used to indicate the user's preferred width in column  positions  for  the
             terminal  screen or window. If this variable is unset or null, the implementation determines the
             number of columns, appropriate for the terminal or window. When $COLUMNS is set,  any  terminal-
             width  information  implied  by $TERM will be overridden. Users and portable applications should
             not set $COLUMNS unless they wish to override the system selection and produce output  unrelated
             to the terminal characteristics.

      LINES  A  decimal  integer  >  0 used to indicate the user's preferred number of lines on a page or the
             vertical screen or window size in lines. A line in this case is a vertical measure large  enough
             to hold the tallest character in the character set being displayed. If this variable is unset or
             null, the implementation determines the number of lines, appropriate for the terminal or window.
             When  $LINES  is set, any terminal-height information implied by $TERM will be overridden. Users
             and portable applications should not set $LINES unless they wish to override the  system  selec‐
             tion.

      TERM   The type of terminal in use. This is used when looking up termcap sequences.  See environ(5) for
             more information.

      DISPLAY
             Display name, pointing to the X server; required for xface.

      WINDOWID
             Used for determining terminal's X window id; required for xface. Should be set by  the  terminal
             emulator.

      SHELL  The pathname of the user's login shell. Used to set default_shell_command.

      XDG_RUNTIME_DIR
             The pathname of the user's dir to put non-essential run time files into.

SIGNALS
      tin handles a couple of signals:

      SIGHUP Terminate gracefully.

      SIGTERM
             Terminate gracefully.

      SIGUSR1
             Terminate gracefully but do not restore terminal (tty).

      SIGUSR2
             Write out ${TIN_HOMEDIR:-"$HOME"}/.newsrc-file.

SECURITY
      If  tin  is  started  in debug mode (''-D n'') it will create world readable files in $TMPDIR which may
      contain the users NNTP password in cleartext. On multiuser-systems $TMPDIR should be set to a safe  lo‐
      cation before starting tin in debug mode (e.g.  TMPDIR=$HOME tin -D 1).

CONFORMING TO
      tin  does  conform  to the Base Definitions volume of IEEE Std 1003.1-2008, Section 12, Utility Conven‐
      tions (Utility Argument Syntax, Utility Syntax Guidelines).

NOTES
      Regular expression support is provided by the PCRE library package pcre(3), which is open source  soft‐
      ware, written by Philip Hazel, and copyright by the University of Cambridge, England.
      <https://www.pcre.org/>

BUGS
      CNews NNTPd, noffle(1) (<= V1.0-pre5) and NewsCache (<= V1.1.91) can't handle pipelined GROUP commands.
      If you run into trouble with any of the mentioned servers define  DISABLE_PIPELINING  in  include/auto‐
      conf.h and recompile.
      Before mailing a bug-report to <[email protected]> please check if you are using the latest (stable) re‐
      lease, and if not, please upgrade first! Have a look at the doc/TODO file for known bugs. If you  still
      think  you've  found a bug, please use the BugReport ('R') function and write in English. Please do NOT
      enclose a core-file in your bug-report until we request it.

HISTORY
      tin is based on the tass(1) newsreader that was developed by Rich Skrenta and posted to alt.sources  in
      March  1991; its first version was released on August 23rd 1991.  tass(1) itself was heavily influenced
      by notesfiles a public domain UNIX version of PLATO Notes, developed at the University of  Illinois  by
      Ray Essick and Rob Kolstad in 1982. For a version overview see
      <http://www.tin.org/history.html>.

CREDITS
      Rich Skrenta
             author of tass(1) v3.2 which this newsreader used as its base.

      Bill Davidsen
             author of envarg.c environment variable reading routine.

      Mike Gleason
             author of sigfile.c random signature generation routines.

      Markus Kuhn <[email protected]>
             author of langinfo.c, charset.c and iso2asc.txt ISO-8859-1 documentation.

      Arnold Robbins
             author of strftime.c date formatting routine.

      Rich Salz
             author of wildmat.c pattern matching and parsdate.y date parsing routines.

      Dave Taylor
             author of curses.c from the elm(1) mailreader.

      Chris Thewalt
             author of getline.c emacs(1) style editing routine.

      Steven Madsen
             for adding pgp(1) (Pretty Good Privacy) support.

      Philip Hazel <[email protected]>
             for pcre(3) (Perl-compatible regular expression library).

      Patrick Powell <[email protected]>
             for snprintf(3) and vsnprintf(3) fallbacks.

AUTHOR
      Iain Lea <[email protected]>

MAINTAINER
      Urs Janssen <[email protected]>

SEE ALSO
      elm(1), emacs(1), gpg(1), inews(1), ispell(1), lp(1), lpr(1), metamail(1), mutt(1), noffle(1), perl(1),
      perlre(1), pgp(1), rn(1), sendmail(1), shar(1), slrnface(1), tass(1),  unshar(1),  uudecode(1),  vi(1),
      xterm(1x),  heapsort(3),  iconv(3),  iconv_open(3),  nl_langinfo(3), pcre(3), pcrepattern(3), qsort(3),
      snprintf(3),  strftime(3),  vsnprintf(3),  wildmat(3),  environ(5),  locale(5),  mailcap(5),   mbox(5),
      mmdf(5),  newsoverview(5),  tin(5), cron(8), RFC1345, RFC1524, RFC2045, RFC2046, RFC2047, RFC2048, RFC‐
      2231, RFC2980, RFC3156, RFC3977, RFC4155, RFC4643, RFC4880, RFC5322, RFC5536, RFC5537, RFC6048

2.6.2                                         December 24th, 2021                                       tin(1)