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TIN(1)			       Usenet newsreader			TIN(1)

NAME
       tin, rtin - Usenet newsreader

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

DESCRIPTION
       tin  is	a  full-screen easy to use Usenet newsreader. It can read news
       locally (e.g., /var/news) or remotely (rtin or tin -r  option)  via  an
       NNTP  (Network  News  Transport Protocol, RFC 3977) or NNTPS (RFC 8143)
       server. It will automatically utilize NOV newsoverview(5)  style	 index
       files  if  available locally or via the NNTP [X]OVER command (RFC 2980,
       RFC 3977).

       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 (termi-
       nal 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 built	with IPv6 support.

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

       -a	   Toggle ANSI color (default is off).

       -A	   Force  authentication  on  initial  connect.	Only available
		   when	  reading   via	  NNTP.	    See	   also	   ${TIN_HOME-
		   DIR:-"$HOME"}/.newsauth in tin(5).

       -c	   Create/update  index	 files	for every group	in ${TIN_HOME-
		   DIR:-"$HOME"}/.newsrc or file specified by the  ''-f''  op-
		   tion	and mark all articles as read.

       -C	   Use	COMPRESS  NNTP	extension (RFC 8054) if	available. See
		   also	nntp_read_timeout_secs,	''-t'' and the "SECURITY"  and
		   "BUGS" section.

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

       -D debug-level
		   Enter debug-level, the  levels  can	specified  via	number
		   (should  be avoided as it will be removed in	the future) or
		   name	(case insensitive) as listed below. Use	comma to  give
		   multiple  levels,  any combinations are allowed (e.g., ''-D
		   GNKSA,2,NNTP''). If removal is requested it	will  be  per-
		   formed  at  startup	and on normal termination (that	is the
		   files are only available while tin is running).
			1   NNTP	 NNTPS
			2   FILTER	 ARTS
			4   NEWSRC	 BITMAP
			8   THREADING	 REFS
		       16   MEMORY	 MALLOC
		       32   ATTRIBUTES
		       64   MISC	 GNKSA	      ACTIVE
		      127   ALL		 EVERYTHING
		      128   REMOVE	 DELETE
		   For NNTP-level ''-v'' controls the verbosity	of the output.
		   Depending on	the debug-level	various	files may  be  written
		   to  $TMPDIR	and/or on screen output	may be given. See also
		   the "SECURITY" section!

       -f file	   Use the specified file of subscribed	to newsgroups in place
		   of ${TIN_HOMEDIR:-"$HOME"}/.newsrc or a file	specified  via
		   ${TIN_HOMEDIR:-"$HOME"}/.tin/newsrctable.

       -F file	   Use	the  specified	filter	file  instead  of  ${TIN_HOME-
		   DIR:-"$HOME"}/.filter.

       -g server[:port]
		   Use the server[:port] and newsrc specified  in  ${TIN_HOME-
		   DIR:-"$HOME"}/.tin/newsrctable. Only	available when reading
		   via	NNTP. If you want to give a port with a	plain IPv6 ad-
		   dress, the address must be enclosed in square brackets.

       -G article-limit
		   Limit the number of articles/group  to  retrieve  from  the
		   server.  If article-limit is	> 0 not	more than the last ar-
		   ticle-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			     ${TIN_INDEX_NEWSDIR:-"${TIN_HOME-
		   DIR:-"$HOME"}/.tin"}/.news.	This option has	no  effect  if
		   tin	  retrieves    its    index   files   via   NNTP   and
		   cache_overview_files	is turned off.

       -k	   Skip	the certificate	verification step  for	NNTPS  connec-
		   tions  and  proceed	without	 checking. This	option implies
		   ''-T''. See also the	"SECURITY" section.

       -l	   Get number  of  articles  per  group	 from  the  ${TIN_LIB-
		   DIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active}	file. If read-
		   ing via NNTP	this is	done with the LIST command (RFC	3977).
		   This	 might	result in incorrect article counts but is usu-
		   ally	 faster	 than  the  default  which  is	to  read   the
		   ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-active}  file
		   (either directly or via LIST) and then  check  the  article
		   count via NNTP GROUP	command	(RFC 3977) ''-ln''. If reading
		   via	NNTP  and  LIST	COUNTS (RFC 6048) is available that is
		   used	instead	as it gives more accurate article counts.

       -L	   Show	the message with the given  Message-ID	if  available.
		   Only	available when reading via NNTP.

       -m dir	   Mailbox   directory	 to   use.   Default   is  ${TIN_HOME-
		   DIR:-"$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	${TIN_LIBDIR:-NEWSLIB-
		   DIR}"/"${TIN_ACTIVEFILE:-active}  file  that	are subscribed
		   to in the user's ${TIN_HOMEDIR:-"$HOME"}/.newsrc. This  al-
		   lows	a noticeable speed up when connecting via a slow line,
		   but	tin  may not be	able to	detect which groups are	moder-
		   ated. 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 or	563 if
		   NNTPS is enabled, see ''-T''). This also overrides the  en-
		   vironment  variables	 $NNTPPORT and $NNTPSPORT 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''. See also	the ''-C'' and
		   ''-G'' command-line options.

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

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

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

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

       -t timeout  Override the	nntp_read_timeout_secs setting.	Default	is 120
		   seconds, allowed maximum is 16383.

       -T	   Enable NNTPS	(NNTP over TLS). This also overrides the envi-
		   ronment variable $NNTPSPORT if  set.	 Only  available  when
		   reading via NNTP.

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

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

       -V	   Print version information and compilation options.

       -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 ${TIN_HOMEDIR:-"$HOME"}/.tin will not be overwrit-
		   ten but may be created if they don't	exist. Should be  used
		   with	''-x'' if possible.

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

       -Z	   Check if there is any new/unread news and exit with	appro-
		   priate status. If the ''-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 CONFIG-
       URABLE 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 nor-
       mal group selection screen will	appear,	 but  with  all	 the  matching
       groups present too, as though you had yanked just those groups in.

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

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

       NB:  With  the ''-n'' flag, if reading via NNTP it may happen that 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 op-
       tions.  Thus, command-line option takes precedence over configured val-
       ues  with  the  single  exception  that	if  a  port  is	 given for the
       newsserver in ${TIN_HOMEDIR:-"$HOME"}/.tin/newsrctable it will override
       any port	given on the command-line. The order of	 command-line  options
       is not important. If they are mutual exclusive the one with the highest
       priority	will be	chosen and a warning may be given.

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

       A user starting tin for the first time can be automatically  subscribed
       to  a list of newsgroups	that are deemed	appropriate by the news	admin-
       istrator. The subscriptions file	should be created in your news lib di-
       rectory (i.e., ${TIN_LIBDIR:-NEWSLIBDIR}/subscriptions) and  should  be
       world  readable.	 If you	read news via NNTP, then your news server must
       support the LIST	SUBSCRIPTIONS command. It is part of the NNTP List Ex-
       tensions	(RFC 6048) 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
       (with a "[T]"- or "[k]"-suffix if reading via NNTPS (insecurely))  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  fol-
       lows:

       u	 This  group  is  unsubscribed.	 To  see  only your subscribed
		 groups	use the	SelectToggleReadDisplay	('r') or SelectYankAc-
		 tive ('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 environ-
		 ment variables).  Subscribe to	it in the normal  way  if  you
		 wish  the group to continue to	appear in your Selection Menu.
		 Simply	ignore new newsgroups and they will be gone  the  next
		 time  you  start tin. You will	have to	yank in	all the	groups
		 to find them in a later session.

       D	 This group no longer exists. If you no	 longer	 wish  to  see
		 this  group  then unsubscribe from it in the normal way. This
		 flag will only	appear if you have set	strip_bogus  to	 "Mark
		 with D	on selection screen" 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_arti-
       cles),  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  ar-
       ticles  (if  any; art_marked_read_selected), the	number of recent arti-
       cles  (art_marked_recent)   and	 the   number	of   killed   articles
       (art_marked_killed). I.e.:

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

       The  characters	after  the  numbers depend on configuration and	if the
       currently show_only_unread_arts is active or not.  Some	numbers	 could
       be  missing  if the specific option is not enabled.  It might also con-
       tain an 'M', 'X'	or '=' (see above; may not work	with the  ''-n''  com-
       mand-line switch) if the	group is moderated, set	to no posting or post-
       ings 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  re-
       cent  articles within the thread	it might be marked with	art_marked_re-
       cent 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 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 thre 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@akk.org>	 at Arbeitskreis Kultur	und Kommunikati

       article-body

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

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

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

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

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

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

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

       ^K	 delete	from cursor to end of line.

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

       ^L, ^R	 redraw	the current line.

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

       <ESC>	 aborts	the present editing operation.

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

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

       ToggleColor '&'
		 Toggle	use of ANSI color.

       RedrawScr '^L'
		 Redraw	the current screen.

       ScrollUp	'<'
		 Scroll	screen up by one line.

       ScrollDown '>'
		 Scroll	screen down by one line.

       Postponed 'O' '^O'
		 Reload	postponed article. If your system blocks the Postponed
		 key you must quote it by pressing '^V'	 (CTRL-V)  first.  The
		 postpone-menu offers the following actions: PromptYes ('y') =
		 reload	 and spawn editor; PostponeOverride ('Y') = post arti-
		 cle (without spawning editor);	PostponeAll ('A') =  post  all
		 postponed  articles (without spawning editor);	PromptNo ('n')
		 = skip	this article; Quit ('q') = quit	postponed  menu.  Cur-
		 rently	there is no 'simple' way to delete a postponed article
		 from  the  postponed-file, you	have to	use the	following com-
		 mand sequence instead:	reload it with Postponed, enter	editor
		 with PromptYes	('y'), 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  (be-
		 ginner_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.

       MarkAncientArtRead '^E'
		 Mark  all  articles  in  the current group older than a given
		 time in days or a date	string formatted according to RFC 5322
		 as read.

       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 com-
		 mand. See the section "RANGES"	for more information.

       SelectSortActive	'.'
		 Sort the list of newsgroups.

       SearchRepeat '\'
		 Repeat	the previous search.

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

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

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

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

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

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

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

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

       SelectGoto 'g'
		 Choose	a new group by name. This command can be used  to  ac-
		 cess any group, even those not	currently yanked in.

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

       ToggleInverseVideo 'I'
		 Toggle	inverse	video.

       ConnectionInfo 'J'
		 Show details about current connection.

       LookupMessage 'L'
		 Look up article by ''Message-ID:''. If	 none  of  the	groups
		 listed	 in the	''Newsgroups:''-header of the referenced arti-
		 cle  is  available,  just  the	 contents   of	 the   ''News-
		 groups:''-header will be displayed in the last	line.  At this
		 level	this  command  only  works if reading via NNTP and the
		 server	 supports  [X]HDR  (RFC	 2980,	RFC  3977)   or	  XPAT
		 (RFC 2980).

       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  dis-
		 played.

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

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

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

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

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

       BugReport 'R'
		 Mail a	bug report or comment to <tin-bugs@tin.org>.  This  is
		 the   best   way   of	 getting   bugs	  fixed	 and  features
		 added/changed.

       SelectSubscribe 's'
		 Subscribe to current group.

       SelectSubscribePat 'S'
		 Subscribe to groups matching user specified pattern. See  the
		 section  "NEWSGROUP  LISTS & WILDCARDS" for the types of pat-
		 tern that tin understands.

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

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

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

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

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

       SelectSyncWithActive 'Y'
		 Reread	 the ${TIN_LIBDIR:-NEWSLIBDIR}"/"${TIN_ACTIVEFILE:-ac-
		 tive} 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 tog-
       gle the setting right before/after the search.

       4	 Select	article	4.

       MenuFilterSelect	'^A'
		 Auto select article(s)	using a	menu. Read the	section	 "FIL-
		 TERING	ARTICLES" for more information.

       MarkAncientArtRead '^E'
		 Mark  all  articles  in  the current group older than a given
		 time in days or a date	string formatted according to RFC 5322
		 as read.

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

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

       SetRange	'#'
		 Choose	 a  range  of articles to be affected by the next com-
		 mand. 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	backward for specified subject.

       GroupSelThd '*'
		 Select	current	thread for later processing.

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

       GroupToggleThdSel '.'
		 Toggle	 selection  of	current	thread.	If at least one	unread
		 article, (but not every unread	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 reuse the last pattern that was entered.

       GroupReverseSel '@'
		 Reverse all selections	on all articles.

       GroupUndoSel '~'
		 Undo all selections on	all articles. It clears	the toggle ef-
		 fect of GroupMarkUnselArtRead ('X') command. Thus after first
		 doing a GroupMarkUnselArtRead,	one can	then  do  GroupUndoSel
		 to reset articles. Thus, one can iteratively whittle down un-
		 interesting 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 confirma-
		 tion].	The defaults used for selection	 are  based  upon  the
		 following  four  tinrc	 config	 variables: default_filter_se-
		 lect_case,  default_filter_select_expire,  default_filter_se-
		 lect_global  and default_filter_select_header.	 Read the sec-
		 tion "GLOBAL OPTIONS MENU AND TINRC  CONFIGURABLE  VARIABLES"
		 for  a	full explanation of these variables and	"FILTERING AR-
		 TICLES" for more information on filtering.

       QuickFilterKill ']'
		 Kill article(s) with a	single key [after  confirmation].  The
		 defaults  used	 for killing are based upon the	following four
		 tinrc	 config	  variables:   default_filter_kill_case,   de-
		 fault_filter_kill_expire,  default_filter_kill_global and de-
		 fault_filter_kill_header.  Read the section  "GLOBAL  OPTIONS
		 MENU AND TINRC	CONFIGURABLE VARIABLES"	for a full explanation
		 of these variables and	"FILTERING ARTICLES" for more informa-
		 tion 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 spe-
		 cific ''From:'' line.

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

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

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

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

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

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

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

       GroupGoto 'g'
		 Choose	 a  new	group by name. This command can	be used	to ac-
		 cess 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.

       ConnectionInfo 'J'
		 Show details about current connection.

       GroupMarkThdRead	'K'
		 Mark article/thread as	read and move onto the next unread ar-
		 ticle/thread.	If  a  range  of  articles/threads is set, the
		 range will be marked as read instead  of  the	current	 arti-
		 cle/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:''. If	not reading  via  NNTP
		 or  the  server  neither supports [X]HDR (RFC 2980, RFC 3977)
		 nor XPAT (RFC 2980), only the IDs in the  current  group  are
		 searched.

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

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

       GroupNextGroup 'n'
		 Go to next group.

       GroupNextUnreadArt 'N'
		 Go to the next	unread article.

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

       GroupPrevGroup 'p'
		 Go to previous	group.

       GroupPrevUnreadArt 'P'
		 Go to previous	unread article.

       Quit 'q'	 Return	to previous level.

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

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

       BugReport 'R'
		 Mail  a  bug report or	comment	to <tin-bugs@tin.org>. This is
		 the  best  way	  of   getting	 bugs	fixed	and   features
		 added/changed.

       GroupSave 's'
		 Save  current article / thread	/ auto-selected	(hot) articles
		 / articles matching pattern / tagged articles.	See  the  sec-
		 tion  "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') / GroupRe-
		 post ('x').

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

       GroupToggleThreading 'u'
		 Cycle the threading mode through no threading,	 threading  by
		 subject,  threading  by references, threading on both subject
		 and  references,  group  multipart  articles  into  a	thread
		 (''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	/ articles matching pattern / tagged  articles
		 to  another newsgroup(s). Useful for reposting	from global to
		 local newsgroups. Do not use this to crosspost	your own arti-
		 cles.

       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 "FIL-
		 TERING	ARTICLES" for more information.

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

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

       SetRange	'#'
		 Choose	 a  range  of articles to be affected by the next com-
		 mand. 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	backward 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 spe-
		 cific ''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  op-
		 tions for the tinrc variable show_author.

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

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

       ThreadFollowupQuote 'f'
		 Post a	followup to the	current	article	with a copy of the ar-
		 ticle included.

       ThreadFollowup 'F'
		 Post  a followup to the current article without a copy	of the
		 article included.

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

       ToggleInverseVideo 'I'
		 Toggle	inverse	video.

       ConnectionInfo 'J'
		 Show details about current connection.

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

       LookupMessage 'L'
		 Look up article by ''Message-ID:''. If	not reading  via  NNTP
		 or  the  server  neither supports [X]HDR (RFC 2980, RFC 3977)
		 nor XPAT (RFC 2980), only the IDs in the  current  group  are
		 searched.

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

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

       Quit 'q'	 Return	to previous level.

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

       BugReport 'R'
		 Mail  a  bug report or	comment	to <tin-bugs@tin.org>. This is
		 the  best  way	  of   getting	 bugs	fixed	and   features
		 added/changed.

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

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

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

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

       ThreadUntag 'U'
		 Untag all tagged threads.

       Post 'w'	 Post an article to the	current	group. If  posting  fails  for
		 some  reason, you'll get the chance to	edit the article again
		 via PostEdit ('e'), postpone  it  for	later  processing  via
		 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 arti-
		 cles is set, the range	will be	marked as  unread  instead  of
		 the  current  article.	 When  tagged  articles	are present, a
		 prompt	asks how to proceed.

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

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

       4	 Read response 4 in this thread.

       MenuFilterSelect	'^A'
		 Auto select article(s)	using a	menu. Read the	section	 "FIL-
		 TERING	ARTICLES" for more information.

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

       PagePGPCheckArticle '^G'
		 Perform pgp(1)	/ gpg(1) operations on article.	 This  expects
		 inline	pgp (RFC 9580) and not MIME pgp	(RFC 3156).

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

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

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

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

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

       PageToggleAllHeaders '*'
		 Toggles  the display of all headers vs. headers in news_head-
		 ers_to_display.

       PageArticleInfo '''
		 Detailed MIME information of the article.

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

       PageToggleInlineData '('
		 Toggle	the display data sections outside of MIME, e.g.	 uuen-
		 coded	or  yenc  data.	The default behavior is	taken from the
		 hide_inline_data 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 form	feed 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 arti-
		 cle. 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.

       PageToggleVerbatim ','
		 Cycle through the various options of verbatim_handling.

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

       QuickFilterSelect '['
		 Auto  select  article(s) with a single	key. The defaults used
		 for selection are set based upon  the	following  four	 tinrc
		 config	 variables:  default_filter_select_case,  default_fil-
		 ter_select_expire,   default_filter_select_global   and   de-
		 fault_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 informa-
		 tion on filtering.

       QuickFilterKill ']'
		 Kill article(s) with a	single	key.  The  defaults  used  for
		 killing  are based upon the following four tinrc config vari-
		 ables:	default_filter_kill_case,  default_filter_kill_expire,
		 default_filter_kill_global   and  default_filter_kill_header.
		 Read the section "GLOBAL OPTIONS MENU AND TINRC  CONFIGURABLE
		 VARIABLES"  for  a  full  explanation	of these 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  contain  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 re-
		 turn to the previous menu. Move cursor	to next	item.

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

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

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

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

       PageFollowupQuote 'f'
		 Post a	followup to the	current	article	with a copy of the ar-
		 ticle 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.

       ConnectionInfo 'J'
		 Show details about current connection.

       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:''. If	not reading  via  NNTP
		 or  the  server  neither supports [X]HDR (RFC 2980, RFC 3977)
		 nor XPAT (RFC 2980), only the IDs in the  current  group  are
		 searched.

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

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

       PageNextArt 'n'
		 Go to the next	article.

       PageNextUnreadArt 'N'
		 Go to the next	unread article.

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

       PagePrevArt 'p'
		 Go to the previous article.

       PagePrevUnreadArt 'P'
		 Go to the previous unread article.

       Quit 'q'	 Return	to the previous	level.

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

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

       PageReply 'R'
		 Reply through mail to the author of the current article with-
		 out including the original article.

       PageSave	's'
		 Save current article /	thread / auto-selected (hot)  articles
		 /  articles  matching pattern / tagged	articles. See the sec-
		 tion "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  sec-
		 tion "URL LISTING" for	more information.

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

       Post 'w'	 Post  an  article  to the current group. If posting fails for
		 some reason, you'll get the chance to edit the	article	 again
		 via  PostEdit	('e'),	postpone  it  for later	processing via
		 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	/ articles matching pattern / tagged  articles
		 to  another newsgroup(s). Useful for reposting	from global to
		 local newsgroups. Do not use this to crosspost	your own arti-
		 cles.

       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.  Be-
       sides the common	moving keys, the following commands are	available:

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

	   SearchSubjF '/'
		     URL forward search.

	   SearchSubjB '?'
		     URL backward search.

	   SearchRepeat	'\'
		     Repeat the	previous search.

	   ShellEscape '!'
		     Shell escape.

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

	   Help	'h'  Help screen of commands available.

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

   ATTACHMENT LISTING
       PageViewAttach  ('V') displays a	list of	attachments of the current ar-
       ticle. 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 informa-
       tion is shown: a	time stamp in "dd-mm-yy"-format, a single letter indi-
       cating the action which initiated the message, the group	names (eventu-
       ally 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  (in-
		     ews_prog  set to "--internal") and	either the server pro-
		     poses a ''Message-ID:'' during the	POST (RFC  3977)  com-
		     mand  or  tin  is	built 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 dis-
       tributing system-wide defaults to new users who have no	private	 tinrc
       yet.

       The   variables	 are   user   configurable   by	  editing  ${TIN_HOME-
       DIR:-"$HOME"}/.tin/tinrc	directly. Most of them can also	be set in  the
       GLOBAL  OPTIONS	MENU which is accessed by pressing OptionMenu ('M') at
       all levels. It allows the user to customize the behavior	 of  tin.  The
       options	are  saved to the file ${TIN_HOMEDIR:-"$HOME"}/.tin/tinrc when
       you exit	tin so don't edit the file directly whilst tin is 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 tog-
       gle the available  options.  ConfigSelect  will	save  the  new	value,
       '<ESC>' will abort without saving changes.

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

       The options menu	provides access	to the attributes menu for the current
       group  by the ConfigToggleAttrib	('<TAB>') command. Pressing ConfigTog-
       gleAttrib 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 section "SCOPES MENU".

       Finally,	the ConfigServerrcMenu ('s') command brings  up	 the  serverrc
       menu	      where	     values	     from	   ${TIN_HOME-
       DIR:-"$HOME"}/.tin/$NNTPSERVER/serverrc can be changed.	For  more  in-
       formation see section "SERVERRC MENU".

       Here  is	 a full	list of	all the	available variables. The name in round
       brackets	is the	name  of  the  corresponding  setting  in  ${TIN_HOME-
       DIR:-"$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.  De-
	   fault 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	messages. This only occurs if a	MIME  viewer  is  set.
	   Default is OFF.

       Format string for the Attachment	level (attachment_format)
	   Format string tin uses for Attachment level representation. See the
	   section "CUSTOMIZING	THE SCREEN FORMAT".  Default is	"%t%s%e%c%d".

       Send you	a cc and/or bcc	automatically (auto_cc_bcc)
	   Automatically  put  your  name  in  the ''Cc:'' (1) or ''Bcc:'' (2)
	   field or to both (3)	fields when mailing  an	 article.  Default  is
	   'No'	(0).

       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 composing an article. Default  is
	   ON.

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

       Compress	locally	cached NNTP overview files (compress_overview_files)
	   If  ON,  locally  cached NNTP overview files	(cache_overview_files)
	   are saved in	compressed form	(RFC 1952).  Useful  to	 reduce	 local
	   disk	space used. Default is OFF.

       Hash algorithm for cancel-locks (cancel_lock_algo)
	   Use this hash algorithm for cancel-locks (RFC 8315).	Only available
	   when	 built	with cancel-lock support. none disables	the generation
	   of cancel-locks. Valid values are none, sha1,  sha256  and  sha512.
	   Default  is sha1. See also ${TIN_HOMEDIR:-"$HOME"}/.cancelsecret in
	   tin(5).

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

       Standard	background color (col_back)
	   Standard background color

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

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

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

       Color of	help text (col_help)
	   Color of help pages

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

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

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

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

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

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

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

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

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

       Standard	foreground color (col_normal)
	   Standard foreground color

       Color of	quoted lines (col_quote)
	   Color of quoted lines

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

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

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

       Color of	signatures (col_signature)
	   Color of signatures

       Color of	negative score (col_score_neg)
	   Color of negative score

       Color of	positive score (col_score_pos)
	   Color of positive score

       Color of	urls highlight (col_urls)
	   Color of urls highlight

       Color of	verbatim blocks	(col_verbatim)
	   Color of verbatim blocks

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

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

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

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

	      commands	 Ask for confirmation before executing certain danger-
	       ous commands (e.g., Catchup ('c')). Commands that this  affects
	       are  marked in this manual with '[after confirmation]'. Default
	       is commands & quit.

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

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

       Format string for display of dates (date_format)
	   Format string used for date representation. A  description  of  the
	   different  format  options  can  be found in	strftime(3).  tin uses
	   strftime(3) when available and supports most	format options in  its
	   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 sen-
	   sitive, OFF = ignore	case. Default is OFF.

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

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

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

	    0  ''Subject:'' (case sensitive)

	    1  ''Subject:'' (ignore case)

	    2  ''From:'' (case sensitive)

	    3  ''From:'' (ignore case)

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

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

	    6  ''Message-ID:'' entry only

	    7  ''Lines:''

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

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

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

       Don't break words when wrapping (dont_break_words)
	   Do not break	long lines inside a word. This applies to the body ex-
	   cept	for verbatim blocks. See also wrap_column. Default is OFF.

       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  pa-
	   rameters.  Default is '%E +%N %F' with %E=Editor, %N=Linenumber and
	   %F=Filename (e.g., /bin/vi +7 .article). See	also $VISUAL and $EDI-
	   TOR under "ENVIRONMENT".

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

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

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

       Number of articles to get (getart_limit)
	   If  getart_limit  is	 > 0 not more than the last getart_limit arti-
	   cles/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. Note that setting getart_limit  to  anything
	   except  0 disables cache_overview_files.  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 sec-
	   tion	    "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 combination of PageDown and PageNextUnread.  When
	   PageDown is set, tin	jumps to the next article at the  end  of  the
	   current  one.  When PageNextUnread is set, tin jumps	immediately to
	   the next article when PageNextUnread	('<TAB>') is pressed.  Default
	   is PageNextUnread.

       Display none mime data as an attachment (hide_inline_data)
	   If  set  to	'Nothing'  (0)	then raw data is displayed.  If	set to
	   'Complete UU/YENC' (1) then sections	of uuencoded or	yenc data will
	   be shown with a single tag line showing the size and	filename (much
	   the same as a MIME attachment).  If set to 'Any UU/YENC'  (2)  then
	   any line that looks like uuencoded or yenc data will	be folded into
	   a  tag  line.  This	is useful when uuencoded or yenc data is split
	   across more than one	article	but can	also lead to false  positives.
	   If  set to 'Inline PGP' (4) then any	inline PGP data	is hidden.  If
	   set to 'Shar' (8) then shar-archives	are  hidden,  this  should  be
	   used	 with care as it may hide other	shell snippets and any follow-
	   ing text as well.  This setting can also be toggled in the  article
	   viewer via PageToggleUue ('(').  Default is 'Nothing' (0). The pos-
	   sible values	are:
		  0   Nothing
		  1   Complete UU/YENC
		  2   Any UU/YENC
		  4   Inline PGP
		  5   Complete UU/YENC & Inline	PGP
		  6   Any UU/YENC & Inline PGP
		  8   Shar
		  9   Complete UU/YENC & Shar
		 10   Any UU/YENC & Shar
		 12   Inline PGP & Shar
		 13   Compl. UU/YENC & PGP & Shar
		 15   Hide all

       Regex used to hide matching lines (hideline_regex)
	   A regular expression	to hide	matching lines in pager. Could be used
	   to hide excessive quoting, e.g. via '^>\s?>\s?>'. If	left blank, no
	   lines will be hidden. This option does not affect lines within ver-
	   batim  blocks  and  is  applied  after  trim_article_body  and sup-
	   press_soft_hyphens.

       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 in-
	   ews), else it is "inews -h".	The article is passed to inews_prog on
	   STDIN via '<	article'.

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

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

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

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

       Keep expired filter rules in file (keep_expired_filters)
	   If ON keep expired filter rules in the file,	but no longer evaluate
	   them.  Default is OFF.

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

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

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

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

       Use 8-bit characters in mail headers (mail_8bit_header)
	   Allows  8-bit  characters  unencoded	in the header of mail message.
	   Default is OFF. Turning it ON is effective only if mail_mime_encod-
	   ing is also set to 8bit. Leaving it OFF is safe for most users  and
	   compliant to	Internet Mail Standard (RFC 5322 and RFC 2047).

       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 (RFC	9580).

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

       Quote line when mailing (mail_quote_format)
	   Format of quote line	when replying (via mail) to an article (%A=Ad-
	   dress, %D=Date, %F=Fullname+Address,	 %G=Groupname,	%M=Message-ID,
	   %N=Fullname,	 %C=Firstname, %I=Initials). If	the article has	multi-
	   ple addresses, only the first is evaluated. 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 RFC 4155
	   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  pro-
	   gram.  It allows the	user to	save articles/threads/groups simply by
	   giving '=' as the filename to  save	to.   Default  is  ${TIN_HOME-
	   DIR:-"$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 for-
	   mat allows other mailers with different command line	parameters  to
	   be used such	as
	      sendmail -oem -t < %F
	      mutt -H %F
	      claws-mail --compose "mailto:%T?subject=%S&insert=%F"
	   interactive_mailer  must  be	 set adequate. The following substitu-
	   tions 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 func-
	   tion	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 in-
	   stalled. Leave it blank if you don't	want any automatic viewing  of
	   non-textual	attachments.  The PageViewAttach ('V') command can al-
	   ways	 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 consid-
	   ered	not displayable	and represented	as '?'.	Otherwise, all charac-
	   ter 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) or	ucnv_*(), 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) or ucnv_*().  If  none  of
	   these  functions  are  available on your system this	option is dis-
	   abled and you have to use mm_charset	instead. mm_network_charset is
	   limited to one of the following charsets:
	      US-ASCII,	ISO-8859-{1,2,3,4,5,7,9,10,13,14,15,16}, KOI8-{R,U,RU}
	      EUC-{CN,JP,KR,TW},   ISO-2022-{CN,CN-EXT,JP,JP-1,JP-2},	 Big5,
	      UTF-8
	   Not	all  values  might  work on your system, see iconv_open(3) for
	   more	details. If it's not set, the value of the  environment	 vari-
	   able	 $MM_CHARSET is	used. US-ASCII or compile-time default is used
	   in case neither of them is defined.

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

       (newnews)
	   These are internal timers used by tin to keep track	of  new	 news-
	   groups.   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 wild-
	   card	can be used.  If you enter 'X-'	as the value, you will see all
	   headers beginning with 'X-' (like X-Alan or X-Pape).	You  can  list
	   more	 than  one  by	delimiting  with spaces. Not defining anything
	   turns off this option.

       Do not display these header fields (news_headers_to_not_display)
	   Same	as news_headers_to_display except it denotes the opposite.  An
	   example  of using both options might	be if you thought 'X-' headers
	   were	A Good Thing(tm), but thought Alan and Pape were miscreants...
	   well	then you would do something  like  this:  news_headers_to_dis-
	   play=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=Ad-
	   dress, %D=Date, %F=Fullname+Address,	 %G=Groupname,	%M=Message-ID,
	   %N=Fullname,	 %C=Firstname, %I=Initials). If	the article has	multi-
	   ple addresses, only the first is evaluated. 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.	As if you use the "-C"
	   option in conjunction with a	low value  for	nntp_read_timeout_secs
	   may	result	in  a timeout (and disconnect in batch mode) when con-
	   necting to large servers or	entering  large	 groups,  because  the
	   timer  is set when the command is sent to the server	and that needs
	   some	time to	compress the large response, the value should  not  be
	   set too small.

       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	Compo-
	       sition

	    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	(RFC 5198).

       Format string for the display of	mime header at Article level
       (page_mime_format)
	   Format  string tin uses for mime header at Page level. See the sec-
	   tion	 "CUSTOMIZING	THE   SCREEN   FORMAT".	   Default   is	  "[--
	   %T%S%*n%z%*l%!c%!d%*e --]".

       Format string for the display of	uue header at Article level
       (page_uue_format)
	   Format  string  tin uses for	uue header at Page level. See the sec-
	   tion	 "CUSTOMIZING	THE   SCREEN   FORMAT".	   Default   is	  "[--
	   %T%S%*n%I%!d%*e --]".

       Format string for the display of	yenc header at Article level
       (page_yenc_format)
	   Format  string tin uses for yenc header at Page level. See the sec-
	   tion	"CUSTOMIZING THE SCREEN	FORMAT".   Default  is	"[--  %*N%!d%I
	   [%F%G]%V%W%X	--]".

       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 8-bit characters in news headers (post_8bit_header)
	   Allows  8-bit 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_en-
	   coding  is also set to 8bit.	In a number of local hierarchies where
	   8-bit characters are	used, using unencoded (raw)  8-bit  characters
	   in  header is acceptable and	sometimes even recommended so that you
	   need	to check the convention	adopted	in the local hierarchy of your
	   interest to 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-printable, 7bit). Default is 8bit, which leads to no
	   encoding.   base64  and  quoted-printable  are usually undesired on
	   usenet.

       View post-processed files (post_process_view)
	   If ON, then tin will	start an appropriate viewer program to display
	   any files that were post 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 arti-
	   cles.  Because the shell archive may	contain	commands you  may  not
	   want	 to  be	 executed,  be careful when extracting shell archives.
	   The following values	are allowed:

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

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

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

       Filename	to be used for storing posted articles (posted_articles_file)
	   Keep	posted articles	in given file. If the given filename does  not
	   contain any expandable strings it will be prefixed with ${TIN_HOME-
	   DIR:-"$HOME"}/Mail/.	 If  no	filename is set	then postings will not
	   be saved. See the section "MAILING PIPING  PRINTING	REPOSTING  AND
	   SAVING  ARTICLES"  for more 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.	Other-
	   wise	only the ''Subject:'' and ''From:'' fields are output. Default
	   is OFF.

       Printer program with options (printer)
	   The	printer	program	with options that is to	be used	to print arti-
	   cles.  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 ini-
	   tials. If the article has multiple addresses,  only	the  first  is
	   evaluated. Default is '>_'.

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

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

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

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

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

       Render BiDi (render_bidi)
	   If  ON  tin	does  the rendering of bi-directional text. If OFF tin
	   leaves the rendering	of bi-directional text to  the	terminal.  De-
	   fault is OFF.

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

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

       Character to show global	scopes (scope_marked_global)
	   The character used to show that a scope was read  from  the	global
	   attributes file. Default is '!'.

       Char to show global scope matches (scope_marked_global_match)
	   The	character  used	 to show that a	scope was read from the	global
	   attributes file and the current group matches. Default is ':'.

       Character to show local scopes (scope_marked_local)
	   The character used to show that a scope was read from the local at-
	   tributes file. Default is ' '.

       Char to show local scope	matches	(scope_marked_local_match)
	   The character used to show that a scope was read from the local at-
	   tributes file and the current group matches.	Default	is '*'.

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

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

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

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

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

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

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

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

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

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

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

       Show description	of each	newsgroup (show_description)
	   If  ON  show	a short	group description text after newsgroup name at
	   the group selection level. The ''-d'' command-line flag will	 over-
	   ride	 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	 built	with  mh-mail-handling	support)  from
	   ${TIN_HOMEDIR:-"$HOME"}/.tin/mailgroups  for	mailgroups. Default is
	   ON.

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

	    0  Use qsort(3) for	sorting.

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

       Show help/mail sign in level titles (show_help_mail_sign)
	   Allows  you	to  select  whether tin	shows a	help indication, a new
	   mail	indication, both, or neither in	the various level titles.  De-
	   fault is 3.

	    0  Don't show help or mail sign.

	    1  Show only help sign.

	    2  Show only mail sign if new mail,	show only the mail  sign,  and
	       only if new mail	has arrived.

	    3  Show  mail if new mail else help	s., show mail sign if new mail
	       has arrived otherwise show help sign.

       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. De-
	   fault is OFF.

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

       Display score (show_art_score)
	   If ON show article score in the lower left corner  when  displaying
	   articles.	Default	  is   OFF.   See   also   col_score_neg   and
	   col_score_pos.

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

       Create signature	from path/command (sigfile)
	   The path that specifies the signature file  to  use	when  posting,
	   following  up to or replying	to an article. If the path is a	direc-
	   tory	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	signa-
	   ture.  In  order  to	 pass the group	name to	the program, %G	can be
	   specified. This will	be replaced by the name	of the	current	 news-
	   group.  --none will suppress	any signature.	Default	is ${TIN_HOME-
	   DIR:-"$HOME"}/.Sig.

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

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

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

	    0  Nothing,	don't sort articles.

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

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

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

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

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

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

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

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

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

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

       Sort threads by (sort_threads_type)
	   This	specifies how threads will be sorted. Sort by descending Score
	   (1) is the default. 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 ${TIN_HOME-
	   DIR:-"$HOME"}/.newsrc file that no longer exist on the news server.
	   There are 3 options.	0 means	do nothing & always keep bogus groups.
	   1 means bogus groups	will be	permanently removed. 2 means that  bo-
	   gus 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	${TIN_HOMEDIR:-"$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  re-
	   move.  If strip_was_regex is	blank, then tin(1) uses	a built-in de-
	   fault.

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

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

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

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

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

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

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

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

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

       Score of	a thread (thread_score)
	   How the total score of a thread is computed.	Default	is 0, the max-
	   imum	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.

       CA certificate file (tls_ca_cert_file)
	   The	name  of  file containing all trusted CA certificates used for
	   NNTPS (RFC 8143) connections. If left empty the system default will
	   be used.

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

	    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 be-
	       tween 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

       Suppress	soft hyphens (suppress_soft_hyphens)
	   If ON remove	soft hyphens in	non verbatim blocks of	articles  when
	   they	 are  displayed	 in  a UTF-8 locale. The character SOFT	HYPHEN
	   (U+00AD) is an invisible format character that merely  indicates  a
	   preferred intraword line break position. However, some terminal em-
	   ulators  display  a space or	a hyphen, for example, in the place of
	   the soft hyphen. This setting can be	used to	improve	the display of
	   those articles. Default is OFF.

       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 tinurl_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/dis-
	   abled.  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  ver-
	   batim block.

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

       Detection and display of	verbatim blocks	(verbatim_handling)
	   Allows you to select	how tin	treats verbatim	blocks in article bod-
	   ies.	 Default is 1.

	    0  Don't detect verbatim blocks. Do	nothing.

	    1  Detect and show	verbatim  blocks.  Detect  and	show  verbatim
	       blocks, including begin and end marks.

	    2  Detect,	hide  begin  and  end  marks. Detect and show verbatim
	       blocks, hide begin and end marks.

	    3  Don't show verbatim blocks. Detect  verbatim  blocks  and  hide
	       them completely.

       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) compati-
	   ble regular expressions pcre(3) or pcre2(3) (see also perlre(1) and
	   pcrepattern(3)  or pcre2pattern(3)).	 You will probably want	to up-
	   date	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 specified
	   in mono_markdash, mono_markslash, mono_markstar and mono_markstroke
	   are used. Default is	ON.

       Page line wrap column (wrap_column)
	   Sets	the column  at	which  a  displayed  article  body  should  be
	   wrapped.   If  this value is	equal to 0, it defaults	to the current
	   screen width.  If this value	is greater than	 your  current	screen
	   width and dont_break_words is unset the part	off-screen is not dis-
	   played.   Thus  setting this	option 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 an-
	   swering  to	a  crossposting	 to  several  groups  with  no	''Fol-
	   lowup-To:'' set.

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

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

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

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

   SCOPES MENU
       The scopes menu (accessible from	the options menu with  ConfigScopeMenu
       ('S')) shows all	scopes read from the global and	local attributes file.
       Scopes	 from	the   global   attributes   file   are	 marked	  with
       scope_marked_global ('!') to the	left of	the scope number, scopes  from
       the  local  attributes  file  are marked	with scope_marked_local	(' ').
       When the	scopes menu is accessed	from the  group,  thread,  or  article
       level,	scopes	where  the  current  group  matches  are  marked  with
       scope_marked_global_match  (':')	for scopes from	the global  attributes
       file  and with scope_marked_local_match ('*') for scopes	from the local
       attributes file.

       In addition to the common moving	keys the following commands are	avail-
       able: 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 cur-
       rent scope, ScopeMove ('m') move	the current scope to a	new  position,
       ScopeRename  ('r')  rename the current scope.  Note that	delete (Scope-
       Delete),	rename (ScopeRename) and move (ScopeMove)  are	not  available
       for  global scopes.  ToggleHelpDisplay ('H') toggles the	help mini menu
       at the bottom of	the screen and posting etiquette  after	 composing  an
       article (beginner_level).

   SERVERRC MENU
       The  serverrc menu (accessible from the options menu with ConfigServer-
       rcMenu ('s')) can be used to change the server specific settings	 which
       are    stored   in   ${TIN_HOMEDIR:-"$HOME"}/.tin/$NNTPSERVER/serverrc.
       Changing	the value of cache_overview_files, compress_overview_files  or
       nntp_pipeline_limit will	be become effective immediately	for all	groups
       visited	 after	 the   change.	  Changing   any  other	 values,  i.e.
       add_cmd_line_opts or disabled_nntp_cmds,	do require a restart  to  take
       effect.

   FILTERING ARTICLES
       When  there  is a subject or an author which you	are either very	inter-
       ested in, or find completely 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	   ${TIN_HOME-
       DIR:-"$HOME"}/.tin/filter or the	file specified via ''-F'' is read (see
       also  tin(5)  ).	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 processing. Articles that	match an auto-
       selection rule are marked with a	''*''.

       Filtering   rules   can	 be   manually	 entered   into	   ${TIN_HOME-
       DIR:-"$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://bzr.tin.org/doc/filtering>.

       Note  that  there are two different ways	to match strings (see wildcard
       tinrc variable):	via wildmats or	via regular expressions.  The later is
       more complex but	offers significantly more options. If  you  intend  to
       change the matching type	from one to the	other, the rules in the	filter
       file  need to be	changed	manually first.	For switching from wildmats to
       regexp there is a helper	script w2r.pl(1) in the	tools dir  and	online
       at
       <http://bzr.tin.org/tools/w2r.pl>.

       As  regular expressions do provide options which	are not	available with
       wildmats	there is no helper script for such a switch. If	you switch  to
       regular expressions, stay with them. They are powerful and fast.

       The  on-screen  filtering  menu	is accessed by pressing	MenuFilterKill
       ('^K') or MenuFilterSelect ('^A') at the	Group and Article  levels.  It
       allows  the  user to kill or select an article that matches the current
       ''Subject:'' line, ''From:'' line or a string entered by	the user.  The
       user  entered  string  can  be  applied to the ''Subject:'', ''From:'',
       ''Message-ID:'',	''References:'', ''Xref:'' or ''Path:''	line of	an ar-
       ticle. The filter can be	limited	to the current newsgroup or it can ap-
       ply 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 edi-
       tor 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  ''News-
       groups:''  line at the beginning	of the article.	After saving and exit-
       ing 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	 news-
       group(s).

       Use the DisplayPostHist ('W') command to	display	a history of the arti-
       cles 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   PageFol-
       lowupQuoteHeaders  ('^W') command to post a follow-up article to	an al-
       ready posted article. The PageFollowupQuote command will	copy the  text
       of  the	original article into the editor. The PageFollowupQuoteHeaders
       command will copy the text and all headers of the original article into
       the editor. The editing procedure is the	same as	when posting an	 arti-
       cle with	the Post ('w') command.

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

   CUSTOMIZING THE ARTICLE QUOTE STRING
       When  posting a followup	to an article or replying direct to the	author
       of an article via email the text	of the article can be quoted. The  be-
       ginning of the quoted text can contain information about	the quoted ar-
       ticle  (e.g.,  Name  and	the Message-ID of the article).	If the article
       has multiple addresses, only the	first is evaluated. To allow for  dif-
       ferent  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 Tue, 21 Sep 1993 09:45:51 in alt.sources you wrote:
	      In <abcINN123@example.org>, Joe Bar <joe@example.org> wrote:
       The  quoted  text  section of an	article	is marked by a preceding quote
       string at the beginning of each quoted line. The	default	 quote	string
       is  set	to '>_'. The default can be changed by setting the tinrc vari-
       able 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 be processed without any  further  prompting
       according to the	default	save parameters	defined	in tinrc or by any at-
       tributes	set for	the current group.

       Otherwise,  the	initial	 prompt	 will ask you to select	which article,
       thread, hot (auto-selected), regular expression pattern,	 tagged	 arti-
       cles you	wish to	mail, pipe etc.

       Tagged  articles	 must  have already been tagged	with a *Tag ('t') com-
       mand. All tagged	articles can be	untagged by a *Untag ('U') untag  com-
       mand.

       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 ex-
       pression	will be	mailed,	piped etc. See also the	wildcard  tinrc	 vari-
       able 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 special characters.

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

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

       If  saving  multiple  files at once the filename	(if not	referring to a
       mailbox)	will be	extended by ".num" where "num" is at least  a  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'' op-
       tion) 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	struc-
       ture   under   your   savedir   directory   (default   is   ${TIN_HOME-
       DIR:-"$HOME"}/News).  Be	careful	of using this option if	you read a lot
       of groups because you could overflow your file system.

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

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

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

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

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

   RANGES
       A range is simply a group of items marked using the SetRange ('#') key.
       Certain	tin commands will 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 cur-
       rent  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. Entering '0' at the prompt undoes the	previ-
       ously entered range selection. Currently	the only commands that	under-
       stand  ranges are GroupMarkThdRead ('K'), MarkArtUnread ('z') and Mark-
       ThdUnread ('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]SUB-
       SCRIBE mechanism. The scope= attributes file tag	and  the  filter  file
       group= tag also use the same syntax. tin	interprets this	variable simi-
       larly  to  rn(1).   It contains a list of patterns, separated by	commas
       and possibly prefixed with exclamation  points.	An  exclamation	 point
       negates the meaning of a	match on this pattern, and can be used to can-
       cel  certain  matches.  See wildmat(3) for details about	the understood
       patterns. Some examples:

       alt.config,news.*,!news.test

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

       See  the	 explanation for the $AUTOSUBSCRIBE and	$AUTOUNSUBSCRIBE vari-
       ables for further examples.

   INTERACTIVE SEARCH
       Depending on the	setting	of the wildcard	tinrc variable there are  cur-
       rently  a  few  limitations for interactive searches SearchSubjF	('/'),
       SearchSubjB ('?'), SearchAuthF  ('a'),  SearchAuthB  ('A'),  SearchBody
       ('B') and SearchRepeat ('\') one	should be aware	of.

       Wildmat	searches  automatically	enclose	the search string in asterisks
       ('*'), simulating substring searches. This behavior is fixed and	cannot
       be altered.

       Regex searches automatically replace spaces (' ') and/or	tabs ('\t') in
       the search string with  the  '\s'  meta-character,  which  matches  any
       whitespace  character.  This  behavior  cannot be prevented. Also regex
       searches	are case insensitive by	default. To enforce case  sensitivity,
       prefix the search pattern by one	of the following: '(?^)' or '(?-i)'.

       If  Unicode  normalization is available,	search patterns	are normalized
       according to the	normalization_form tinrc variable.

   SIGNATURES
       tin will	recognize a signature in either	 ${TIN_HOMEDIR:-"$HOME"}/.sig-
       nature	  or	 ${TIN_HOMEDIR:-"$HOME"}/.Sig.	    If	   ${TIN_HOME-
       DIR:-"$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 ed-
       itor for	both posting and mailing commands.

       The following is	an example of a	.Sig file:
	      NAMES  Joe Bar <joe@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	 spec-
       ify  the	 default  signature or the group attribute sigfile as a	direc-
       tory.  If for example the sigfile path is /usr/iain/.sigs and .sigs  is
       a  directory then tin will select a random signature from any file that
       is in the directory .sigs (note:	one signature per numbered  file).   A
       random  signature  can  also consist of a fixed part signature that can
       contain your name, 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 posi-
       tion of each element on the screen. Variables are used within the  for-
       mat  strings  as	 placeholders.	If the article has multiple addresses,
       only the	first is evaluated. 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  pro-
       vides an	overview:

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

       Defaults	for the	format strings:

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

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

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

       For date	representation '%D' uses date_format. It is possible to	 spec-
       ify  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 descrip-
       tion, the width of the newsgroup	name can be controlled via an optional
       comma separated second value (e.g., '%60,20G'). It is valid to omit the
       first value (e.g., ('%,20G')). If no second value is given, tin uses  a
       default value of	32.

       Some  variables	do  have a default width which may lead	to truncation.
       Truncation for variables	which contain only numbers happens by dividing
       the value with a	sufficient power of ten	and adding a SI	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 be 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 be used for '%d'.

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

       In  addition,  a	 minimum  or a maximum screen width can	be defined for
       each item (except '%%').	In this	case, the item will only be  displayed
       when  the  screen  is wider resp. smaller 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 posi-
       tive number preceded by an '>', the maximum  screen  width  has	to  be
       specified by a positive number preceded by an '<'. In the following ex-
       ample  tin  will	display	the score only if the screen is	wider than 100
       characters: '%>100S'.

       If both the length and the minimum or maximum screen  width  should  be
       specified  for  an item,	the length must	be the first parameter and the
       minimum or maximum 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'.	A second length	can be
       specified for '%F' and '%s' resp. '%T', separated by a colon, which  is
       used  if	 the  minimum  or  maximum screen width	is not reached.	 If no
       length is specified after the colon, the	item is	displayed even if  the
       minimum	screen width is	not reached and	the length is calculated as if
       no minimum (or maximum) screen width had	been specified.	In the follow-
       ing example tin will display the	subject	with a length of 60 characters
       if the screen is	wider than 100 characters, otherwise a	length	of  40
       characters is used: '%60>100:40s'.

       The  look  of the Attachment level and the mime,	uue and	yenc header at
       Page level can be customized too	via  format  strings.	The  following
       variables are available:

	  %C	    Charset
	  %c	    Like %C but	with description
	  %D	    Line count
	  %d	    Like %D but	with description
	  %E	    Content encoding
	  %e	    Like %E but	with description
	  %F	    Current YENC part
	  %f	    Like %F but	with description
	  %G	    Total number of YENC parts
	  %g	    Like %G but	with description
	  %I	    Complete/incomplete	UUE/YENC part indicator
	  %L	    Language
	  %l	    Like %L but	with description
	  %N	    Name
	  %n	    Like %N but	with description
	  %S	    Content subtype
	  %s	    Like %S but	with description
	  %T	    Content type
	  %t	    Like %T but	with description
	  %V	    Size of the	current	YENC part in bytes
	  %v	    Like %V but	with description
	  %W	    Total size of all YENC parts in bytes
	  %w	    Like %W but	with description
	  %X	    CRC	checksum of current yenc part
	  %x	    Like %X but	with description
	  %Z	    Size in bytes
	  %z	    Like %Z but	with description
	  %%	    %

       Not  all	 items	can be used in each variable. The following table pro-
       vides an	overview:

	    attachment-	  page_mime-   page_uue-   page_yenc-
	    _format	  _format      _format	   _format
       %C	 X	      X
       %c	 X	      X
       %D	 X	      X		   X	       X
       %d	 X	      X		   X	       X
       %E	 X	      X		   X	       X
       %e	 X	      X		   X	       X
       %F					       X
       %f					       X
       %G					       X
       %g					       X
       %I				   X	       X
       %L	 X	      X
       %l	 X	      X
       %N		      X		   X	       X
       %n		      X		   X	       X
       %S	 X	      X		   X	       X
       %s	 X	      X		   X	       X
       %T	 X	      X		   X	       X
       %t	 X	      X		   X	       X
       %V					       X
       %v					       X
       %W					       X
       %w					       X
       %X					       X
       %x					       X
       %Z	 X	      X		   X	       X
       %z	 X	      X		   X	       X
       %%	 X	      X		   X	       X

       By default, the string is not  truncated.  If  it  exceeds  the	screen
       width,  it is wrapped. If the % sign is followed	by an exclamation mark
       ('!') for uppercase letters, the	element	is omitted  if	there  is  not
       enough space. If	the % sign is followed by an asterisk ('*') for	a low-
       ercase letter, the description is omitted if there is not enough	space.
       If  the % sign is followed by an	exclamation mark ('!') for a lowercase
       letter, the description is omitted first	 and  then  the	 content.  The
       shortening is always from right to left,	first the description is omit-
       ted  and	when no	more description is displayed, the content is omitted.
       If %T and %S, %F	and %G or %V and %W follow each	other directly	a  '/'
       will  be	inserted in between. %Z	will always have one decimal point and
       may have	a one letter bi-suffix.

       Defaults	for the	format strings:

	  attachment_format:		"%T%S%E%C%d"
	  page_mime_format:		"[-- %T%S%*n%z%*l%!c%!d%*e --]"
	  page_uue_format:		"[-- %T%S%*n%I%!d%*e --]"
	  page_yenc_format:		"[-- %*N%!d%I [%F%G]%V%W%X --]"

   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  differ-
	    ent	themes)

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

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

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

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

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

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

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

       Button2 (center)
		 returns to the	previous (upper) level if you click on an  ar-
		 ticle,	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	Selec-
		 tReadGrp ('<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  installations will) and you have	a fast connection to your news
       server then this	section	can be ignored.

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

       Each user creates/updates his/her own index files that  are  stored  in
       ${TIN_INDEX_NEWSDIR:-"${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 lo-
       cal 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 cre-
       ate all index files for the groups you subscribe	to with	tin -u -v  and
       go  for	a  coffee. Subsequent readings of a group will only need to do
       incremental updating of the index file and will be much faster as  only
       new articles will need to be cached.

       As  indexing might take some time you may want to run tin from the sys-
       tem 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

       /usr/local/etc/nntpserver

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

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

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

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

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

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

       ${TIN_HOMEDIR:-"$HOME"}/.tin/$NNTPSERVER/msglog

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

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

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

       /etc/tin/tin.defaults

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

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

       ${TIN_LIBDIR:-NEWSLIBDIR}/active.times

       ${TIN_LIBDIR:-NEWSLIBDIR}/newsgroups

       ${TIN_LIBDIR:-NEWSLIBDIR}/organization

       ${TIN_LIBDIR:-NEWSLIBDIR}/overview.fmt

       ${TIN_LIBDIR:-NEWSLIBDIR}/subscriptions

ENVIRONMENT
       TINRC  Define this variable if you want to specify command-line options
	      that tin should be started with to save typing them each time it
	      is  started.  The	contents of the	environment variable are added
	      to the front of the command-line options	before	it  is	parsed
	      therefore	 allowing  an  option 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
	      ${TIN_HOMEDIR:-"$HOME"}/.tin/.  E.g., if you want	all tin's news
	      index files in /tmp/.news	you would  set	$TIN_INDEX_NEWSDIR  to
	      /tmp.

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

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

       TIN_LIBDIR
	      Define this variable if you want to override the NEWSLIBDIR path
	      that  was	 compiled  into	 the  tin  binary, default is /usr/lo-
	      cal/news/lib.  If	tin is running in NNTP mode setting this vari-
	      able 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/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/ac-
	      tive path	that was compiled into the tin binary. If tin is  run-
	      ning  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	 vari-
	      able  only  needs	to be set if the ''-r''	command-line option is
	      specified	and the	file /usr/local/etc/nntpserver 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'' com-
	      mand-line	option does override $NNTPPORT.

       NNTPSPORT
	      The NNTPS	TCP-port to read news from. This variable  only	 needs
	      to  be  set if the TCP-port is not 563 (the default). The	''-p''
	      and ''-T'' command-line options do override $NNTPSPORT.

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

       ISO2ASC
	      Set  the ISO to ASCII charset decoding table character to	use in
	      decoding an article text.	Values can range from -1 to 5.

	    -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 RFC 1345 codes in	brackets

	    5	   table for printers that allow overstriking with backspace

       ORGANIZATION
	      Set  the	article	header field ''Organization:'' to the contents
	      of the variable instead of the system default. If	it points to a
	      readable file a random line from that  file  will	 be  used.  If
	      reading news on an Apollo	DomainOS machine the environment vari-
	      able $NEWSORG has	to be used instead of $ORGANIZATION.

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

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

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

       REALNAME
	      Same as $NAME but	with lower priority.

       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.

       MAILPATH
	      A	colon-separated	list of	filenames which	are  checked  for  new
	      mail. This overrides the $MAIL variable.

       MAILDIR
	      Full  path  to the user's	maildir	folder.	This is	only evaluated
	      if neither $MAILPATH nor $MAIL are set.

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

       EDITOR If  $VISUAL  is unset, then this variable	is looked up for a de-
	      fault editor. If $EDITOR 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 ex-
	      planation	of the valid syntax. For example, setting

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

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

       AUTOUNSUBSCRIBE
	      Is handled like the $AUTOSUBSCRIBE variable, but groups matching
	      the  list	are unsubscribed from without further query. For exam-
	      ple, 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  tem-
	      porary 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  re-
	      placement	(e.g., metamutt).

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

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

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

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

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

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

       LC_MESSAGES
	      Formats  of  informative and diagnostic messages and interactive
	      responses.  Its value should be  of  the	form  language[_terri-
	      tory][.codeset][@modifier].  See	locale(5)  and	environ(5) for
	      more information.

       LC_NUMERIC
	      Numeric value formats. Its value should  be  of  the  form  lan-
	      guage[_territory][.codeset][@modifier].	 See   locale(5)   and
	      environ(5) for more information.

       LC_TIME
	      Date and time formats. Its value should  be  of  the  form  lan-
	      guage[_territory][.codeset][@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_  variable.  Its  value  should  be  of the form lan-
	      guage[_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_.
	      Its value	should be of the form  language[_territory][.codeset].
	      See environ(5) for more information.

       LANGUAGE
	      This variable defines a priority list for	translations. Whenever
	      a	 translation  is not available the next	language from the list
	      is tried.	  Its  value  should  be  of  the  form	 language:lan-
	      guage[:language].	  Requires  $LC_ALL  or	 $LANG	to be set. See
	      environ(5) for more information.

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

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

       TERM   The  type	of terminal in use. This is used when looking up term-
	      cap 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  de-
	      fault_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	 read-
       able  files  in $TMPDIR which may contain sensitive data	like the users
       NNTP password in	clear text (if running verbose). On  multiuser-systems
       $TMPDIR	should	be set to a safe location before starting tin in (ver-
       bose) debug mode	(e.g., TMPDIR=$HOME tin	-vD NNTP).

       Using the ''-k''	option to skip certificate verification	makes the ses-
       sion insecure as	the server's certificate is not	 checked;  avoid  this
       option whenever possible.

       If  the	server	does not initially require authentication but supports
       compression and compression is requested, tin will exit when  authenti-
       cation  is  required  later on. Using the ''-A''	command	line option in
       conjunction with	''-C'' circumvents this	behavior.

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

NOTES
       Regular expression support is provided  by  the	PCRE  library  package
       pcre(3)	or  pcre2(3)  which is open source software, written by	Philip
       Hazel, and copyright (C)	by the University of Cambridge,	England.
       <https://www.pcre.org/>

CAVEATS
       Any existing global configuration files in /etc/tin/  are  not  updated
       automatically,  as an ordinary user normally has	no write permission at
       that location.

BUGS
       CNews NNTPd, noffle(1) (<= V1.0-pre5) and NewsCache (<= V1.1.91)	 can't
       handle  pipelined  GROUP	 commands (RFC 3977).  If you run into trouble
       with any	of the mentioned historical servers set	nntp_pipeline_limit in
       ${TIN_HOMEDIR:-"$HOME"}/.tin/$NNTPSERVER/serverrc to 1.

       Early versions of NNTPCache (<= 2.3.2) and  Leafnode  (<=  1.6)	had  a
       buggy LISTGROUP implementation. If you run into trouble with any	of the
       mentioned  historical servers use the ''-n'' command-line flag (or dis-
       able    LISTGROUP     via     disabled_nntp_cmds	    in	   ${TIN_HOME-
       DIR:-"$HOME"}/.tin/$NNTPSERVER/serverrc).

       Using  the ''-C'' (COMPRESS) flag with INN nnrpd	versions between 2.6.1
       and 2.7.1 (both incl.) may cause	tin to hang  and  later	 timeout  when
       used in conjunction with	the ''-n'' flag	or when	posting. This has been
       fixed  in  INN  nnrpd  version  2.7.2. As a workaround simply don't use
       ''-C''.

       Before mailing a	bug-report to <tin-bugs@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	request	it.

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

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

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

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

       Markus Kuhn <Markus.Kuhn@cl.cam.ac.uk>
	      author of	langinfo.c, charset.c and iso2asc.txt ISO-8859-1 docu-
	      mentation.

       Arnold D. 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@cam.ac.uk>
	      for pcre(3), pcre2(3) (Perl-compatible  regular  expression  li-
	      brary).

       Mark Martinec <mark.martinec@ijs.si>
	      for snprintf(3) and vsnprintf(3) fallbacks.

       Gary S. Brown
	      for crc32() fallback.

       Enrik Berkhan
	      for  the	NNTPS  (NNTP over TLS) and COMPRESS implementation and
	      its preconditions.

AUTHOR
       Iain Lea	<iain@bricbrac.de>

MAINTAINER
       Urs Janssen <urs@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),  w2r.pl(1),  xterm(1x),  heapsort(3),  iconv(3),	iconv_open(3),
       nl_langinfo(3),	pcre(3),  pcre2(3),  pcrepattern(3),  pcre2pattern(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),  RFC  1345,  RFC  1524, RFC 1952, RFC 2045, RFC 2046,
       RFC 2047, RFC 2231, RFC 2980, RFC 3156, RFC 3977, RFC 4155,  RFC	 4643,
       RFC  5198,  RFC 5322, RFC 5536, RFC 5537, RFC 6048, RFC 6838, RFC 8054,
       RFC 8143, RFC 8315, RFC 9580

2.6.5				  2025-12-24				TIN(1)

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