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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 automatically utilize NOV newsoverview(5) style index files if
       available locally or via the NNTP [X]OVER command (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   ${TIN_HOME-
       DIR:-"$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 specified 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 =  mem-
                   ory,  32  =  attributes,  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/news-
                   rctable. 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 article-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  ${TIN_IN-
                   DEX_NEWSDIR:-"${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  ${TIN_LIBDIR:-NEWSLIB-
                   DIR}"/"${TIN_ACTIVEFILE:-active} 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 ${TIN_LIBDIR:-NEWSLIB-
                   DIR}"/"${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 accurate 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:-ac-
                   tive}   file   that   are   subscribed   to   in   the   user's    ${TIN_HOME-
                   DIR:-"$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 "AUTOMATIC 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 en-
                   vironment variable $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 informa-
                   tion read section "AUTOMATIC MAILING AND SAVING NEW NEWS".

       -u          Create/update index files for every group  in  ${TIN_HOMEDIR:-"$HOME"}/.newsrc
                   or  file  specified  by  the ''-f'' option. This option is disabled if tin re-
                   trieves 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'' op-
                   tions. 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 po-
                   sition 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  automatically enter that group. Otherwise the normal group selection screen will ap-
       pear, 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 SelectToggleReadDis-
       play ('r') to toggle the read/unread status, then the command-line groups  will  be  gone.
       You can use SelectSyncWithActive ('Y') to reread the ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_AC-
       TIVEFILE:-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 ${TIN_HOME-
       DIR:-"$HOME"}/.tin/newsrctable) can be matched.

       Command-line options have higher priority than attributes and tinrc options.   Thus,  com-
       mand-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  news-
       groups  that  are  deemed  appropriate  by  the news administrator. The subscriptions file
       should be created in your news lib  directory  (i.e.,  ${TIN_LIBDIR:-NEWSLIBDIR}/subscrip-
       tions) 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 usually 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 Select-
                 ToggleReadDisplay ('r') or SelectYankActive ('y') toggle keys.

       M         This is a moderated group. Any posts you make will have to be  approved  by  the
                 group administrator before it will be made public. tin will ask for confirmation
                 before you post to a moderated 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 unsub-
                 scribe from it in the normal way. This flag will only appear  if  you  have  set
                 strip_bogus to "ask" in the Options Menu.

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

       =         This group has been renamed and you may no longer post to it. If  you  do,  then
                 you will receive 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 articles art_marked_selected, the number of read hot
       articles (if any; art_marked_read_selected), the number of recent articles (art_marked_re-
       cent) 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_unread_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 articles 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 <urs AT akk.org>        at Arbeitskreis Kultur und Kommunikati

       article-body

       The look of the Selection, Group and Thread level can be customized. See the section "CUS-
       TOMIZING 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 Sys-
                 tem 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  pressing '^V' (CTRL-V) first. The postpone-menu offers the following ac-
                 tions: PromptYes ('y') = reload and spawn editor; PostponeOverride ('Y') =  post
                 article  (without spawning editor); PostponeAll ('A') = post all postponed arti-
                 cles (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  sequence
                 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
                 ('/'),  SearchSubjB  ('?') 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 de-
                 scriptions.

       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 currently 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 ''Newsgroups:''-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 (RFC-
                 2980, 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  un-
                 read  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 <tin-bugs AT tin.org>. This is the best way of get-
                 ting 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 & WILDCARDS" 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" sec-
                 tion.

       SelectUnsubscribePat 'U'
                 Unsubscribe to groups matching user specified pattern. See  the  section  "NEWS-
                 GROUP 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
                 ${TIN_LIBDIR:-NEWSLIBDIR}"/"${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.  GroupToggleReadUnread  ('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 information.

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

       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 GroupSelPat-
                 tern with a pattern of ''*''.

       GroupToggleThdSel '.'
                 Toggle selection of current thread. If at least one unread article, (but not ev-
                 ery  unread article) 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 GroupMarkUn-
                 selArtRead  ('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 selection are based upon the following  four  tinrc  config  variables:  de-
                 fault_filter_select_case,    default_filter_select_expire,    default_filter_se-
                 lect_global and default_filter_select_header.  Read the section "GLOBAL  OPTIONS
                 MENU AND TINRC CONFIGURABLE VARIABLES" for a full explanation 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_fil-
                 ter_kill_case, default_filter_kill_expire,  default_filter_kill_global  and  de-
                 fault_filter_kill_header.   Read the section "GLOBAL OPTIONS MENU AND TINRC CON-
                 FIGURABLE VARIABLES" for a full explanation of these  variables  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 selec-
                 tion list. Move cursor to next group.

       CatchupNextUnread 'C'
                 Mark all articles as read [after confirmation] and enter the next group with un-
                 read 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 'con-
                 trol' 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 currently 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 articles/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 ARTICLES" 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 ARTICLES" 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 <tin-bugs AT tin.org>. This is the best way of get-
                 ting 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 or-
                 der.

       GroupToggleThreading 'u'
                 Cycle the threading mode through no threading, threading by  subject,  threading
                 by  references,  threading on both subject and references, group multipart arti-
                 cles into a thread (''Subject:'' 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 PostPostpone ('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 / arti-
                 cles matching pattern / tagged articles to another newsgroup(s). Useful for  re-
                 posting  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 unread 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 information.

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

       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  'con-
                 trol' 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 arti-
                 cles 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 ARTICLES" 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 ARTICLES" 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 <tin-bugs AT tin.org>. This is the best way of get-
                 ting 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 or-
                 der.

       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 PostPostpone ('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 arti-
                 cles 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 information.

       PageReplyQuoteHeaders '^E'
                 Reply through mail to the author of the current article with a copy of the arti-
                 cle 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 in-
                 formation.

       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 head-
                 ers 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 initially 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_se-
                 lect_case,  default_filter_select_expire,  default_filter_select_global  and de-
                 fault_filter_select_header Read the section "GLOBAL OPTIONS MENU AND TINRC  CON-
                 FIGURABLE  VARIABLES"  for  a full explanation of these variables 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,  de-
                 fault_filter_kill_expire,    default_filter_kill_global     and     default_fil-
                 ter_kill_header.   Read  the section "GLOBAL OPTIONS MENU AND TINRC CONFIGURABLE
                 VARIABLES" for a full explanation of these variables  and  "FILTERING  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 con-
                 tain PageNextUnread, 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  'con-
                 trol' 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 ARTICLES" 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 ARTICLES" 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 arti-
                 cle included.

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

       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 information.

       PageViewAttach 'V'
                 Display a list of attachments of the current article. See the  section  "ATTACH-
                 MENT 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 PostPostpone ('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 / arti-
                 cles  matching pattern / tagged articles to another newsgroup(s). Useful for re-
                 posting 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 mov-
       ing 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
       ${TIN_HOMEDIR:-"$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 message. 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 ${TIN_HOMEDIR:-"$HOME"}/.tin/posted which may not always be the case.  If
                     using NNTP and the internal inews (inews_prog set to "--internal")  and  ei-
                     ther the server proposes a ''Message-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 ${TIN_HOMEDIR:-"$HOME"}/.tin/tinrc. The global file is useful for distribut-
       ing system-wide defaults to new users who have no private tinrc yet.

       The variables are user  configurable  by  editing  ${TIN_HOMEDIR:-"$HOME"}/.tin/tinrc  di-
       rectly.  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 running.

       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  Con-
       figToggleAttrib  ('<TAB>')  command. Pressing ConfigToggleAttrib again toggles back to the
       options menu. For more information see section "ATTRIBUTES MENU AND GROUP ATTRIBUTES".

       The ConfigScopeMenu ('S') command brings up the scopes menu. For more information see sec-
       tion "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 recent_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 accordingly.

       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  mes-
           sages. 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 arti-
           cle. 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 specified 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 com-
           posing 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 accessing 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  ses-
           sion 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_high-
           light.

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

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

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

       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.

            o  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]'. Default is commands & quit.

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

            o  select  Ask  for confirmation before marking all not selected (with GroupMarkUnse-
               lArtRead ('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_fil-
           ter_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 current 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  de-
           fault.

       Force redraw after certain commands (force_screen_redraw)
           Specifies  whether  a  screen redraw should always be done after certain external com-
           mands. 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 absolute 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 FORMAT". 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 com-
           bination 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 immedi-
           ately to the next article when PageNextUnread ('<TAB>') is  pressed.  Default  is  Pa-
           geNextUnread.

       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 set-
           ting 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 head-
           ers,  2  means don't include headers (old use_mailreader_i=ON option). 0 turns off us-
           age. 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  keep-
           ing 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 ar-
               ticles 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. Turn-
           ing 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-print-
           able, 7bit). Default 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+Address,  %G=Groupname,  %M=Message-ID, %N=Fullname, %C=Firstname, %I=Ini-
           tials). 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  (default  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 arti-
           cles/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 articles to other people. Default is '%M "%T" < %F' (e.g., /bin/mail "iain"  <
           .article). The flexible format allows other mailers with different command line param-
           eters 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 represented 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 default 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_network_charset and local charset  (determined  via  nl_langinfo(3))  is  done  via
           iconv(3), if this function is not available on your system this option is disabled and
           you have to use mm_charset instead. mm_network_charset is limited to one of  the  fol-
           lowing 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 com-
           pile-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 op-
           tion.

       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  miscreants...  well  then  you  would  do  something like this:
           news_headers_to_display=X- news_headers_to_not_display=X-Alan X-Pape Not defining any-
           thing 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+Address, %G=Groupname, %M=Message-ID, %N=Fullname,  %C=Firstname,  %I=Ini-
           tials). 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  hi-
           erarchies  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 con-
           vention  adopted  in the local hierarchy of your interest to determine 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-print-
           able, 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  processed  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 expand-
           able 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  REPOST-
           ING  AND SAVING ARTICLES" for more information 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  ''Sub-
           ject:'' 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
           '_'  character  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  num-
           ber  of  things  that can be done: empty lines can be quoted, signatures can be quoted
           and quote_chars can be compressed 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. De-
           fault is 2.

       Render BiDi (render_bidi)
           If ON tin does the rendering of bi-directional text. If OFF tin leaves  the  rendering
           of bi-directional 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 regu-
           lar 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 cur-
           sor-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 "CUSTOMIZ-
           ING 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  ${TIN_HOME-
           DIR:-"$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 re-
           plying 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 specified. This will be replaced by the
           name of the current  newsgroup.  --none  will  suppress  any  signature.   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 de-
           fault. The following 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  de-
           fault. The following 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 & al-
           ways 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 ${TIN_HOMEDIR:-"$HOME"}/.tin/attributes. (See also "GROUP ATTRIBUTES".)  The  de-
           fault is Both Subject and References.  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:'' (de-
               fault).

            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 translitera-
           tion. This means that when a character cannot be represented in the  target  character
           set,  it  can  be approximated 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
           ('...'). Default 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)  compatible  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 enabled the colors specified in col_markdash, col_markslash, col_markstar
           and col_markstroke are used for word highlighting else the character attributes speci-
           fied in mono_markdash, mono_markslash, mono_markstar and mono_markstroke are used. De-
           fault 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  op-
           tion  to  a large value can be used to disable 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  cross-
           posting to several 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 at-
       tributes file, ${TIN_LIBDIR:-NEWSLIBDIR}/attributes is read. After that,  the  user's  own
       attributes  file  ${TIN_HOMEDIR:-"$HOME"}/.tin/attributes  is read.  The global attributes
       file is useful for distributing system-wide defaults to new users who have no private  at-
       tributes file yet.

       Note  that the scope=<grouplist> line has to be specified before the attributes are speci-
       fied 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 Config-
       ToggleAttrib ('<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 at-
       tributes menu provides the following command: ConfigResetAttrib ('r') which resets an  at-
       tribute 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 pos-
       sible 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, Scop-
       eRename ('r') rename the current scope. ToggleHelpDisplay ('H') toggles the help mini menu
       at  the  bottom  of  the  screen  and posting etiquette after composing an article (begin-
       ner_level).

   FILTERING ARTICLES
       When there is a subject or an author which you are either very interested in, or find com-
       pletely  uninteresting,  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 articles will only be marked read. Adjust kill_level for more  aggressive  process-
       ing. 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 documentation 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 MenuFilterS-
       elect ('^A') at the Group and Article levels. It allows the user to kill or select an  ar-
       ticle  that  matches  the current ''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 default 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 PageFollowupQuote-
       Headers command will copy the text and all headers of the original article into  the  edi-
       tor. The editing procedure is the same as when posting an article with the Post ('w') com-
       mand.

       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  PageReplyQuote-
       Headers  command  will copy the text and all headers of the original article into the edi-
       tor. The editing procedure is the same as when posting an article with the Post ('w') com-
       mand.  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 information 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 <abcINN123 AT example.org>, Joe Bar <joe AT example.org> wrote:
       The quoted text section of an article is marked by a preceding quote string at the  begin-
       ning  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,  PageAutoSave  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 processed 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-se-
       lected), regular expression pattern, tagged articles you wish to mail, pipe etc.

       Tagged  articles must have already been tagged with a *Tag ('t') command. All tagged arti-
       cles can be untagged 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 articles subject lines containing 'net News' you enter "net News"). Any articles
       that match the entered expression 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. Environment variables (prefixed with '$') and user home directories (prefixed  by  '~'
       or '~username') can be specified.  Environment variables can themselves contain other spe-
       cial 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  ex-
       tended  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 total 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 di-
       rectory 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  attri-
       bute  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 com-
       mands will operate 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. Cur-
       rently 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 pos-
       sibly  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  de-
       tails 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 ex-
       amples.

   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   ${TIN_HOME-
       DIR:-"$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  post-
       ing and mailing commands.

       The following is an example of a .Sig file:
              NAMES  Joe Bar <joe AT example.org>
              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  at-
       tribute  sigfile  as  a  directory. 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 con-
       sist of a fixed part signature that can contain your name, address 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  descrip-
       tion can also be toggled with SelectToggleDescriptions ('d').

       The  information  displayed with '%F' depends on the value of show_author. GroupToggleSub-
       jDisplay 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 following 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 vari-
       ables which contain only numbers happens by dividing the value with a sufficient power  of
       ten  and adding a SI suffix 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 specified 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 press-
       ing '<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  in-
       tervals (reread_active_file_secs) to show any newly arrived news.

       If  you find large number of new newsgroups cluttering up your screen, pressing SelectTog-
       gleReadDisplay ('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 configuration, 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 configuration, 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  installa-
       tions  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 ${TIN_INDEX_NEWS-
       DIR:-"${TIN_HOMEDIR:-"$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 overview files already  exist  then  turning  on
       caching  will  have no effect. Likewise unless you see significant delays entering a group
       when reading via NNTP then turning on caching will have little or no effect.

       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 ar-
       ticles 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 envi-
              ronment variable are added to the front of the command-line options  before  it  is
              parsed  therefore  allowing an option specified 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 ${TIN_HOME-
              DIR:-"$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 ${TIN_HOME-
              DIR:-"$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 ${TIN_HOME-
              DIR:-"$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 set-
              ting 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_LIBDIR 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  in-
              stead 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 in-
              stead of the system default. If reading news on an Apollo DomainOS machine the  en-
              vironment 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_ad-
              dress.

       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, ...). Eval-
              uation order is ${VISUAL:-"${EDITOR:-vi}"}. See environ(5) for more info.

       EDITOR If $VISUAL is unset, then this variable is looked up for a default editor. If $EDI-
              TOR and $VISUAL 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 explanation 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 hierar-
              chy, 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 un-
              subscribed 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. meta-
              mutt).

       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)  pro-
              gram.

       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 determines the character classes for pattern matching character  classi-
              fication  and  case conversion. 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][.codeset][@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 information.

       LC_TIME
              Date and time formats. It's value should be of the form language[_territory][.code-
              set][@modifier]. See locale(5) and environ(5) for more information.

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

       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  lan-
              guage[_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  posi-
              tions for the terminal screen or window. If this variable is unset or null, the im-
              plementation determines the number of columns, appropriate for the terminal or win-
              dow.  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 ver-
              tical 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  $TMPDIR
       should be set to a safe location before starting tin in debug mode (e.g.  TMPDIR=$HOME tin
       -D 1).

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

NOTES
       Regular  expression support is provided by the PCRE library package pcre(3), which is open
       source software, 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  DIS-
       ABLE_PIPELINING in include/autoconf.h and recompile.
       Before mailing a bug-report to <tin-bugs AT tin.org> please check if you are using the latest
       (stable) release, 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  re-
       quest 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  ver-
       sion 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 <Markus.Kuhn AT cl.uk>
              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 <ph10 AT cam.uk>
              for pcre(3) (Perl-compatible regular expression library).

       Patrick Powell <papowell AT astart.com>
              for snprintf(3) and vsnprintf(3) fallbacks.

AUTHOR
       Iain Lea <iain AT bricbrac.de>

MAINTAINER
       Urs Janssen <urs AT tin.org>

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, RFC2231, RFC2980,  RFC3156,
       RFC3977, RFC4155, RFC4643, RFC4880, RFC5322, RFC5536, RFC5537, RFC6048

2.6.2                                  December 24th, 2021                                 tin(1)

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