/******************************************************************************
* Takuji Tanaka: 20160305 ([email protected])
*               Version 6.0.0
*               Supported T1,TS1,OT2,T2A,T2B,T2C,X2 encodings.
*               Added utf8 output for the latin, cyrillic encodings and
*               OML,OMS encodings.
*               Added option -C not to compose a combining character sequence.
* Takuji Tanaka: 20111119 ([email protected])
*               Used ptexenc library for Japanese TeX.
*               Enabled UTF8 output for Japanese TeX with option -Eu.
*               Added upTeX DVI support with option -U.
*               Added auto detected Japanese fonts in japanese-otf package.
* Marcel Mol: 20101113  ([email protected])
*               Version 5.3.4
*               Fix VERSION code
*               From TeXLive:
*               - DEFPAGER form /bin/more to more
*               - kapthsea: fix bbug to handle input filenames without ".dvi".
*               - kpathsea - use library function instead of duplicated code.
*               - man page fixes
*               - const char fixes
* Marcel Mol: 20101030  ([email protected])
*               Version 5.3.3
*               included patches from TexLive and Joerg Prante, and Kenshi Muto
*               minor cleanup/readability changes: note changes to -J -u -s options
* Kenshi Muto: 25 Nov, 1999
*               Add auto detect patch.
*               Fix NTT JTeX DVI japanese patch.
*               Add ASCII pTeX DVI japanese patch.
* From TexLive distribution: october 2010
*               'KPATHSEA' support
*               Fix linspacing calculation bug
*               Fix compile time warnings/cosmetics
* Joerg Prante: 30nov2003 ([email protected])
*               latin1 character handling with option '-u' using code by
*               Simo Nikula ([email protected])
*               Thomas Sefzick ([email protected])
*               Updated help text according to latin1 patch.
*               NOTE: this patch changes -u and -s option meanings!
* Marcel Mol: 22jan2003  (Internet: [email protected])
*               From: [email protected]: clearly state license (GPL).
* Marcel Mol: 27may1996  (Internet: [email protected])
*               From: [email protected] (Manuel Lemos): Port to AMIGA.
* Marcel Mol: 24mar1996  (Internet: [email protected])
*               From: Alex Viskovatoff <[email protected]>: Port to Macintosh
*               From: Anton vd Repe  1995-6-9     (UUCP: [email protected]):
*               Added option to skip translation of Scandinavian/Finnish
*               and skip the constraint to ASCII characters only.
*               Added option to include font name in output when new font
*               is chosen.
*               Limit line width of 132 expanded to 332.
* Marcel Mol: 23jun1995  (Internet: [email protected])
*               Included patch form Hideki ISOZAKI ([email protected])
*               to allow japanese fonts generated by NTT JTeX (March 1992).
*               Added cleanups (protoize + includes) by D.U. Zoller
*               (1995-07-17 [email protected])
*               Version 5.1
* Marcel Mol: 09sep1993  (Internet: [email protected])
*               In dvistuff.c: added auto detection for 'ttfont'.
*               This make -t flag unneeded, but it is still left in for
*               people who like to force 'verbatim' mode.
*               Thanks to: Diomidis Spinellis <[email protected]>
* Marcel Mol: 05sep1993  (Internet: [email protected])
*               In dvistuff.c: put some extra chars arround the 'ttfont'
*               flag in the 'normchar' function.
* Marcel Mol: 01oct1991  (Internet: [email protected])
*               (From Igor Romanenko, [email protected].)
*               Fixed unneccesary * in *envp++.
* Marcel Mol: 24jul1991  (Internet: [email protected])
*               Suggestion From: [email protected]   [uwo]
*               vertical bars "|" and the tilde "~" print properly in
*               typewriter font.
* Marcel Mol: 1990-11-29  (UUCP: [email protected])
*               Fixed bug in option handling. Cleanup of code.
*               Other minor changes/optimizations.
* Marcel Mol: 1990-11-13  (UUCP: [email protected])
*               Included patches of Bernard Gaulle in my version.
*               Version 4.4
* Bernard Gaulle: 1990-10-16 ([email protected])
*               Add -t option (assuming tt fonts were used)
*               (Version 3.3)
* Marcel Mol: 1990-05-03  (UUCP: [email protected])
*               Now displays accents etc. on characters again. Added option
*               (-a) to switch this off. If switched off it now uses proper
*               spacing.
*               Cleaned up and show version number in usage();
*               Version 4.3
* Marcel Mol: 1990-05-02  (UUCP: [email protected])
*               Included patches for VAX/VMS VAXC, done by Robert Schneider.
*               Version 4.2
* Marcel Mol: 1990-03-27  (UUCP: [email protected])
*               Fixed bug that causes the program to hang when it finds a
*               fontname with an 's' in it not followed by an 'y'.
*               Thanks to Paul Orgren ([email protected]).
*               Version 4.1
* Marcel Mol: 1990-02-04  (UUCP: [email protected])
*               First attempt to recognize symbol fonts, so bullets (in
*               itemized lists) are translated to a proper character instead
*               an awfull ligature.
*               Version 4.0.
* Marcel Mol: 1990-02-01  (UUCP: [email protected])
*               Included port to VMS (off Joseph Vasallo and Seppo Rantala)
*               into latest version. Hope things still work, cannot test it ...
* Joseph Vasallo & Seppo Rantala: 1989-09-05 (Internet: [email protected])
*               Ported to work under VAX/VMS V4.4 & VAXC V2.4 or higher.
*               Fixed bugs in using Swedish/Finnish characters.
* Marcel Mol: 1989-02-14  (UUCP: duteca!marcel)
*               Fixed check for .dvi extension.
*               Allowed more ligatures.
*               Fixed side effect bugs (2 gets as function arguments).
*               Version 3.2.
* Marcel Mol: 1989-01-19  (UUCP: duteca!marcel)
*               Changed in option handling, no change
*               in user interface (only the undocumented
*               feature -e).
*               Version 3.1.
* Marcel Mol: 1989-01-11  (UUCP: duteca!marcel)
*               Changed some longs to ints.
*               It now also runs on MSDOS Microsoft C 5.1
*               New version: 3.0
* Marcel Mol: 1989-01-03  (UUCP: duteca!marcel)
*               Fixed a bugs concerning pager programs
*               and scanning environment variable DVI2TTY.
* Marcel Mol: 1988-10-25  (UUCP: duteca!marcel)
*               Renamed to dvi2tty and converted to C.
*               Filenames: dvi2tty.c dvi2tty.h dvistuff.c commands.h
*               Improved spacing between words/characters.
* bogart:/usr/alla/zap/dvitty/dvitty.p  1986-08-15 20:24:31,
*               Version to be sent to mod.sources ready.
* New option since last version:
*   -Fprog      Pipe output to prog. Can be used to get a different
*               pager than the default.
* bogart:/usr/alla/zap/dvitty/dvitty.p  1986-01-13 21:49:31,
*   Environment variable DVITTY is read and options can be set from it.
* bogart:/usr/alla/zap/dvitty/dvitty.p  1986-01-10 18:51:03,
*   Argument parsing, and random access functions (external, in C)
*   and other OS-dependent stuff (in C). Removed private 'pager' &
*   tries to pipe through PAGER (environment var) or, if PAGER not
*   defined, /usr/ucb/more. Some changes for efficency.
* bogart:/usr/alla/svante/dvitty/dvitty.p  1985-07-15 20:51:00,
*   The code for processing dvi-files running on UNIX (UCB-Pascal)
*   but no argument parsing.
* VERA::SS:<SVANTE-LINDAHL.WORK>DVITTY.PAS.140, 30-Mar-85 05:43:56,
*   Edit: Svante Lindahl
* VERA::SS:<SVANTE-LINDAHL.WORK>DVITTY.PAS.136, 15-Jan-85 13:52:59,
*   Edit: Svante Lindahl, final Twenex version !!!??
* VERA::SS:<SVANTE-LINDAHL.WORK>DVITTY.PAS.121, 14-Jan-85 03:10:22,
*   Edit: Svante Lindahl, cleaned up and fixed a lot of little things
* VERA::SS:<SVANTE-LINDAHL.WORK>DVITTY.PAS.25, 15-Dec-84 05:29:56,
*   Edit: Svante Lindahl, COMND-interface, including command line scanning
* VERA::SS:<SVANTE-LINDAHL.WORK>DVITTY.PAS.23, 10-Dec-84 21:24:41,
*   Edit: Svante Lindahl, added command line scanning with Rscan-JSYS
* VERA::<SVANTE-LINDAHL.DVITTY>DVITTY.PAS.48,  8-Oct-84 13:26:30,
*  Edit: Svante Lindahl, fixed switch-parsing, destroyed by earlier patches
* VERA::<SVANTE-LINDAHL.DVITTY>DVITTY.PAS.45, 29-Sep-84 18:29:53,
*  Edit: Svante Lindahl
*
* dvitty - get an ascii representation of a dvi-file, suitable for ttys
*/

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