
                           SGML-Tools ϥλĶ
                                       
@: Matt Welsh. Updated by Greg Hankins.
Ķ: [1]C.W.Huang [2]cwhuang@phys.ntu.edu.tw

   v0.99.0, 29 November 1996. ½Ķ: 4-15 August 1997
     _________________________________________________________________
   
   oO SGML-Tools ϥλA@إH SGML ¦AAͤPX
   榡uDAiHγ@ SGML l󲣥ͯ¤r (ASCII P
   ISO-8859-1), DVI, PostScript, HTML, GNU info, LyX, P RTF ɡDo
   H SGML-Tools 0.99.0. ǡD
     _________________________________________________________________
   
1. ²

     * 1.1 󦹤
     * 1.2  SGML?
     * 1.3 pB@
       
2. w

     * 2.1 w˳n
     * 2.2 s SGML 
     * 2.3 ISO 8859-1 r
       
3. ϥ SGML-Tools g

     * 3.1 򥻷
     * 3.2 Sr
     * 3.3 Verbatim P Code 
     * 3.4 󤺮e[
     * 3.5 椬Ѧ
     * 3.6 r
     * 3.7 C
     * 3.8 i@BT
     _________________________________________________________________
   
1. ²

   oO@ SGML-Tools BztΪϥλDSGML-Tools Ѥ@ SGML
   DTD (κAwqADocument Type Definition) Τ@աum
   (replacement files)vAiHN SGML ഫ groff, LaTeX, HTML, GNU
   info, LyX, P RTF lɡD
   
   SGML-Tools DnH [3]Tom Gordon  QWERTZ DTD ¦oiD
   
1.1 󦹤

   oHb SGML-Tools W linuxdoc DTD ҼgD XG]tҦ
   γo DTD Ӽg SGML һݪDƱD аѦ example.sgml o
   SGML dҡAAiH@Aۤv󪺽dD
   
1.2  SGML?

   ڿܨϥ SGML O] SGML OMΨഫ䥦榡D SGML O
   Standard Generalized Markup Language ²١A\Aw󪺵c---
   ]NOAΦبƪӼХܤD AϥΤ@ DTD (κAwq) ӫw
   cDlinuxdoc O@ثw Linux HOWTOs P䥦 DTDD QWERTZ Ot
   @ DTD; SGML зǴѮѡA峹AΨl@ҨϥΪ DTDD
   
   DTD w󤤡uզvW١DզNO@صc---ҦpA`Aq
   AάOpOo˪ jդrDMӸ LaTeX POAoǲզ
   ëD SGML tDlinuxdoc DTD NwqF LaTeX զ---A
   A`AάOuҡvDMӡAQ SGML AiHӧAwwq󪺥
   󵲺cDNY譱ӻASGML NOC TeXA linuxdoc DTD hO
   LaTeXD
   
   OQodVFDSGML äO@ؤ榡ƨtΡDSҿתuSGML 榡
   vD SGML lɥuOΨഫ䥦榡HKBzD٦ASGML O
   ӫw󪺵cD S SGML r榡ƤuάOuvD
   @wq DTD D S DTD Aϥ SGMLA@ DTD wqF
   SGML ӰD
   
1.3 pB@

   o̸pϥ SGML-Tools BzDAAݭn@ DTDDڥΪO
   QWERTZ DTDA ӬO@sH]ݭn LaTeX  DTD ӰDڱN
   QWERTZ DTD ק令 linuxdoc DTD HŦXڭ̪ݨDDDTD L]wF󪺵
   cDݰ_ӹOoӼˤl:
   
<!element article - -
    (titlepag, header?,
     toc?, lof?, lot?, p*, sect*,
     (appendix, sect+)?, biblio?) +(footnote)>

   o]wFuvӵcANO LaTeX udocumentstylevD o
   ]tF@ӮѭW(titlepag)A@ӥiiLD(header)A@ӥiΪ
   eC(toc)AiΪϧΦC(lof)PC(lot)ANƶqq(p)
   ANƶq`(sect)AiΪ(appendix)A@ӥiΪѦҮ
   (biblio)Hε(footnote)D
   
   AiݥXADTD åpQ榡ơAΥݰ_ӪoˡD u
   LwqFѦسҲզDb󪺥t@ӦawqF titlepag,
   header, sect ΨlզD
   
   gɧAäݭnD DTD kWhDڥuLAݤ@Uo
   ˤl٦FD Aݼxo DTD ҩwq󵲺cD_hA
   bռgɧAi|HϵcA ӥBQ~TdFDUڭ̷|yz
   SGML 󵲺cӸ`D
   
   UӴNOγo DTD ҩwqcӼgFDA@Alinuxdoc DTD 
   oݰ_Ӫo LaTeX---ҥHܮeqD SGML NyӻAϥάY@
   ӯSO DTD Ӽg@s DTD uר(instance)vD
   
   FN SGML lഫ䥦榡(Ҧp LaTex  groff)HKBzAAҼg
   SGML lɥg SGML ѪRBzLDڥΪO James Clark(
   [4]jjc@jclark.com) Ҽg sgmls ѪR, L]O groff @̡Dΰ_ӫ
   KDsgmls ŪJAAˬd` DTD ҩwqcD PɱNA
   uvMi}AHKU@q sgmlsasp ӳBzD
   
   sgmlsasp ΨӱN sgmls XGഫt@خ榡(p LaTeX)D ϥθm
   ɱNl SGML 󤤪զഫuؼСv榡(p LaTeX  groff)
   lɡD
   
   ҦpA@ LaTeX mɪooˡG
   
<itemize>    +    "\\begin{itemize}   +
</itemize>   +    "\\end{itemize}    +

   FAb SGML lɤϥ itemize ɡAӳQm LaTeX 
   lɤ
   
\begin{itemize}

   (ڻLFADTD F̦b LaTeX D)
   
   ]AnN SGML ഫ䥦榡AAҭnNO榡g@ӷsm
   A bs榡C@ SGML զwADƹWASo²---
   ҦpA pGAഫMA DTD PcAAN·СDLA 
   _nC@خ榡gWѪRPഫ{٬On²檺hD SGML Ѥ@
   @몺tαN@حlഫ\h榡D
   
   @ sgmlsasp ഫAANP SGML l۹ LaTeX l
   A AiH@몺 LaTeX ɤ@˨ӨϥΥDUڷ|ܽdp󰵳o˪ഫP
   榡ơD AunΤ@ONFD
   
   LAڭnpwˤγ]w SGML-ToolsD
   
2. w

   qoӦa
     * [5]ftp://sunsite.unc.edu/pub/Linux/utils/text/sgml-tools-0.99.0.ta
       r.gz
       
   o sgml-tools-0.99.9.tar.gzD
   
   AiHq [6]SGML-Tools WWW Page o̷sTD
   
   sgml-tools-0.99.0.tar.gz ]tFҦAݭnΨӼg SGML ഫ
   groff, LaTeX, HTML, GNU info, LyX, P RTF FD~AAiٻ
   nUCu---SGML tΨäݭnoǡAګĳAooǤuHKA
   AbA}GAeNTw̬ݰ_ӨSDD
   
    1. groff. Aϥ 1.08 ΧsDAiHq
       [7]ftp://prep.ai.mit.edu/pub/gnu oDb
       [8]ftp://sunsite.unc.edu/pub/Linux/utils/text i Linux 
       DAݨϥ groff A SGML 󲣥ͯ¤rɡD nroff !
    2. TeX P LaTeX. oXGbCӦa賣AAӥiH@Lxaæw
       (b [9]sunsite.unc.edu iH Linux ) MApGAn
       LaTeX Ӯ榡ƧA SGML A~ݭn TeX/LaTeXD
    3. flex. lex iणDAiHq [10]ftp://prep.ai.mit.edu/pub/gnu o
       D
    4. gawk P GNU info tools, ΨӮ榡ƻPw info ɮסD b
       [11]ftp://prep.ai.mit.edu/pub/gnu, 
       [12]ftp://sunsite.unc.edu/pub/Linux/utils/text iH gawkA ٦
       [13]ftp://sunsite.unc.edu/pub/Linux/system/Manual-pagers i
       GNU info tools. awk D
    5. LyX (@ӥbҨYұo(quasi-WYSIWYG)  LaTeX ɭ)Aib
       [14]ftp://ftp.via.ecp.fr D
       
2.1 w˳n

   w˻P]w SGML-Tools һݪBJOG
    1. AbYBѶ} sgml-tools-0.99.0.tar.gz YɡD N
       sgml-tools-0.99.0 ؿDb̸Ѷ}SYAuOṋF
       h sgml-tools-0.99.0 ؿND
    2. \Ū INSTALL ɡA]tFw˹L{Ӹ`D
       
   pG@QAANiHϥΥFD
   
   Ķ: NO install o shell scriptA^DNF!
   
2.2 s SGML 

   ҦpAQnsƤ@ SGML s foo.sgmlAo̦@²upX
   P榡D㪺ﶵCаѦ man pagesD
   
  ͯ¤rX
  
   pGAQͯ¤rɡAϥγoӫOG
   
% sgml2txt foo.sgml

   Ъ`Nڤwվ groff ഫ¤rXD]NOAڱNAXAص
   hD gL@ǭקAiHq groff X PostScript P DVI 榡A
   ګĳA LaTeX nD
   
   AiH man pages  groff lɡAӥ groff -man NsơD 
   oӫOG
   
% sgml2txt -man foo.sgml

   LaTeX, DVI  PostScript X
  
   nq SGML lɲ LaTeX ANΡG
   
% sgml2latex foo.sgml

   pGAƱ沣 PostScript X(g dvips)Ai -p ﶵG
   
% sgml2latex -p foo.sgml

   Ϊ̧AiH[W -d ﶵ DVI ɡG
   
% sgml2latex -d foo.sgml

   HTML X
  
   pGAƱX HTML ɡAγoOG
   
% sgml2html -img foo.sgml

   oN foo.html, foo-1.html, foo-2.html,  --- C@@ɮ
   Dfoo.html OAiHΧA WWW s[ݡD TwAҦ HTML ɦbP
   @ؿUA]̬Oά۹諸 URL ѦҪD HTML ɪϥܥؿV
   $SGMLTOOLSLIB/icons ҩwqؿD oɳQ̫᪺mW
   D$SGMLTOOLSLIB/ wqb SGML ഫ{Ǫ̶}YD
   
   pGAϥ sgml2html ӨS[W -img ﶵܡAͪ HTML |[W
   ŪΪ "Previous", "Next", H "Table of Contents" ҡD AiHǥѦb
   $SGMLTOOLSLIB/rep/html/<filename> إߤ@ɮץH\Loǹw]A åBHA
   ۤvܨӨN̡Dɮת榡pUҥܡG he following format:
   
        PrevPage:  newvalue
    NextPage:  newvalue
        TOC:     newvalue

   dҽаѾ\ deutschD
   
   GNU Info 榡X
  
   pGAQnNAɮ׽sƦ GNU Info s{榡AunϥΤUC
   OG
   
% sgml2info foo.sgml

   LyX 榡X
  
    LyX 榡XAϥγoӫOG
   
% sgml2lyx foo.sgml

   RTF 榡X
  
   pGAQ RTF 榡XAoӫOG
   
% sgml2rtf foo.sgml

   oN| foo.rtf, H foo-1.rtf, foo-2.rtf, ɮ---󪺨C@`
   ۦ@ɮסD
   
  ˬd SGML yk
  
   pGAuOQq SGML ഫXA~AiHϥ sgmlcheck oӫOZD
   ҦpG
   
% sgmlcheck foo.sgml

2.3 ISO 8859-1 r

   ISO 8859-1 (latin1) riHΦb¤r LaTeX, HTML, LyX, H RTF 
   Xڦr(GNU Info ӥi䴩 ISO 8859-1)D nϥγo\઺ܡAi
   H[W -l ﶵsƫOZAҦpG
   
% sgml2txt -l foo.sgml

   A]iHb SGML l󤤨ϥ ISO 8859-1 rA̷|۰ʳQഫ
   榡AhXr(escape codes)D
   
3. ϥ SGML-Tools g

   ϥ SGML-Tools DTD g󪺹L{jOD`eAӥBI
   LaTeXD MӡAMǭn`NDo@`ڱN SGML 󪺼gD
   SGML d(μg@)аѾ\ example.sgml ɮסAAiHӷ@ۤv
   󪺽dD bڱNQ SGML U\AOHl@dҤOܦ
   iŪʡD ]ALX example.sgml lX(sƫ᪺X)ApANu
   ѦҽdҡC
   
3.1 򥻷

   JӬݽdҤ󪺭lAA|`Ṋ\hHA(<  >)Хܪu
   (tags)vD ҳ¦aXYզ_lAo̩ҿתզO@`
   A@qA@y骺yAC@ӶءAHνѦpcD ϥμ
   Nϥ LaTeX Op \item άO \section{...} @D
   
   |²檺ҤlAnͳo@q rAڦblXJ
   
|²檺ҤlAnͳo@q <bf>r</bf>, ...

   <bf> Ooqr}YA </bf> OD A]iHϥγo²ΦG
   
|²檺ҤlAnͳo@q <bf/r/, ...

   NOα׽uNr]D(MApGQ]trtuAANϥΪ
   ΦA Ҧp Unix ɮצW١D)
   
   Sr٦䥦on`ND (oNOpGAJ[l
   N|`NoǬݰ_ӫܩǲ "&" ܦFڱN²uaoǲŸ)D
   
   bYǱpUASwզҬOiΪD ҦpAAbY@`}
   lϥ <sect> oӼҡAMӡAӸ` (iHX{bӸ`D饻
   aAӤuOӸ`W٫᭱!) OiΪӷAbP@Ӽh}lt~
   @`ɭԤ]Ntܵ۸Ӹ`D @ӻAݭn߳oǲӸ`Fun
   ϥΦb example.sgml ޸̪dҴNiHFC
   
3.2 Sr

   ܩ㪺AḀNO SGML l̪SrDt~٦䥦
   `NrD ҦpA]AQJѨAҲ[\ܦAo: <foo>D
   Fܥ䪺AAAϥ &lt; oӲզA oO@ӷ|i}
   AruvD]AڦblJ
   
angle brackets around it, as so: <tt>&lt;foo></tt>.

   @ӻAHXr(&)@}lܳoO@ӯSD ҦpA % 
    &percnt;  |  &verbar; D ҦuSrvX
   iHܥ̡D
   
   q`AAݭnϥεXܬYSrAMӡAbYǱpUoO
   C̱`ΪOG
     * Use &amp; for the ampersand (&),
     * Use &lt; for a left bracket (<),
     * Use &gt; for a right bracket (>),
     * Use &lt;/ for a left bracket with a slash (</)
     * Use &dollar; for a dollar sign ($),
     * Use &num; for a hash (#),
     * Use &percnt; for a percent (%),
     * Use &tilde; for a tilde (~),
     * Use `` and '' for quotes, or use &ldquo; for ", &rdquo; for ".
       
   㪺SrCiHdݨ䤤@ӴɡD q` LaTeX ̷|Sr
   AҥHd\ $SGMLTOOLSLIB/rep/latex/general |OӦn}lD
   $SGMLTOOLSLIB wqb SGML ഫ{Ǫ̫eD
   
3.3 Verbatim P Code 

   ڭ̥QׯSroӥDDɡAڤ]uverbatim ҡvA ΨӦb
   XtJ[ܰʪr(ťզrHYơAMѦp)D verb oӲզ
   NOγ~Dݰ_ӴNoˡG
   
<verb>
 Some literal text to include as example output.
</verb>

   verb Ҥ\Ab䤺eϥΥFD SOaAb verb ҤA
   G
     * ϥ &amp; N &
     * ϥ &lt;/ N </
     * nb verb Ҥϥ \end{verbatim}A ]oO LaTeX Ψӵ
       verbatim ҪD (ӥi৹éhrsơAثe
       R٤䴩D)
       
   code ҫD` verb ҡAFbrP[Jju
     _________________________________________________________________
   
oO code ҪҤlD
     _________________________________________________________________
   
   AӦb verb ҪPϥ tscreen ҡAoˡG
   
<tscreen><verb>
oO@qҥyD
</verb></tscreen>

   tscreen O@ҳ¦aYƨó]ww]r ttD oϱodҭnצb
   LaTeX Hί¤rݰ_ӦnhFD AiHϥ tscreen Ӥ[ verbA
   LApGAbdҤϥΥ󪺯SrANݭn̨ӡD tscreen P
   SrLDdҽаѾ\ example.sgmlD
   
   quote  tscreenAFNw]r] ttDҥHAAiHϥ
   quote PqLޥΡApG
   
<quote>
Here is some text to be indented, as in a quote.
</quote>

   o|͡G
   
     Here is some text to be indented, as in a quote.
     
3.4 󤺮e[

   bڭ̲`JsӸ`eAڭn}l linuxdoc DTD wq[D
   p]ߪdҽХJ[ example.sgmlD
   
  Ǥ
  
   b󪺡uǤvA]߹ODHΤ󫬺A(style)FDLinux HOWTO
   ݰ_ӹG
   
<!doctype linuxdoc system>

<article>

<title>Linux Foo HOWTO
<author>, <tt/cwhuang@phys.ntu.edu.tw/
<date>v1.0, 14 August 1997
<abstract>
o󻡩Fpϥ <tt/foo/ oӤuD
</abstract>

<toc>

   oǲզإiHuWǡDĤ@iD SGML ѪR{ϥ
   linuxdoc DTDD <article> oӼҳWwϥΡuarticlevؤ󫬺AD
   ( QWERTZ DTD ٩wq ureportvHΡubookvAFڨèSק復
   ̥Hb SGML-Tools ϥ)D
   
   title, author, H date oǼҪNqӬOܩ㪺A b date Ҥ
   ]t󪺪sHγ̫קɶD
   
   abstract ҳ]w󳻺ݦbeeLXrD pGAQtJeC
   (toc )AAiणݭn abstractD
   
  `Pq
  
   bǤ大AANiHǳƶiJ󥻨DUC`OiHϥΡG
     * sect: ̳h` (]NO 1, 2, )
     * sect1: ĤGh` (]NO 1.1, 1.2, )
     * sect2: ĤThp`
     * sect3: ĥ|hpp`
     * sect4: Ĥhppp`
       
   ̬۷ LaTeX  section, subsection D
   
   b sect ( sect, sect ) Ҥ۬OӸ`W١D ҦpAb
   ݡAǤ大᪺OҡG
   
<sect>²

   Ӧb`}la(q)AӼҬOG
   
<sect2>q

   b@`ҤAA}l󪺥DDMӡAAH@ <p> Ҷ}lA
   oˡG
   
<sect>²
<p>
oO@ SGML-Tools BzϥΪ̫....

   oOiDѪR{Aw@`DåBǳƦn}lDD Asq
   OHťզ}l(NpP TeX)DҦpA
   
oOĤ@qD

ӧڭ̱qo̶}ls@qD

   SzѭnbCӬqeϥ <p> ҡFunb`O᭱Ĥ@
   q}lB[ND
   
  󵲧
  
   b󵲧aAAϥγoӼҡG
   
</article>

   HiDѪR{Awg article oӲզ([\)D
   
3.5 椬Ѧ

   {bڭ̭niJtΪ䥦\D椬ѦҫܮeDҦpApGAQns@Y@
   `椬ѦҡAAoo˼ХܸӸ`:
   
<sect1>²<label id="sec-intro">

   ۧANiHb󤤪YӦa覡γoӪܦѷӸӸ`G
   
аѦ<ref id="sec-intro" name="²">@`СD

   oN|H sec-intro аO`o ref ҡD  groff H
   HTML ഫ name oӰѼƬOD SGML-Tools ϥΪ groff ]wثe
   å䴩椬ѦҡAӥB``HW٨NƦrѷӬY@`D
   
   ҦpA`O [15]椬ѦҡD
   
   byTWϥΪqθ귽w쾹AY URL ]զ urlD oӤ
   ӥΨӰѷӨ䥦AFTP Wɮ׵DҦpG
   
Aiqo Linux HOWTO 
<url url="http://sunsite.unc.edu/mdw/HOWTO/"
   name="The Linux HOWTO INDEX">D

   url oӰѼƫwo URL Ds|۰ʥ[J HTML 󤤡D iΪ
   name Ѽƫwӥ[Wsr(HTML ഫ)άO URL yzRW(LaTeX 
   groff)DpGS name ѼơA|ϥγo URL D
   
   ҦpAAiHqǫo SGML-Tools M
   [16]ftp://sunsite.unc.edu/pub/Linux/utils/text/sgml-tools-0.99.0.tar.g
   z.
   
   @ӦΪܧάO htmlurlAF HTML b䥦Cؤ󤤳o URL N
   |X{D ΦbOӤHqll}FAiHg
   
<htmlurl url="mailto:esr@snark.thyrsus.com"
      name="esr@snark.thyrsus.com">

   Ӧb¤rXouesr@snark.thyrsus.comv ӤOƪ
   uesr@snark.thyrsus.com <mailto:esr@snark.thyrsus.com>v Ob HTML 
   󤤤MOA URL D
   
3.6 r

   򥻤WASGML-Tools 䴩P LaTeX ۦPrD `NALצpA¤r
   (g groff)z|rTD ҥHAAiHɥi઺ϥΦhئrA
   o LaTeX ഫ|nBD Ob¤rnΦrIX
   ID
   
   SOOAeyzL tt oӼҥiHΨPeשTwurvrA
   oӥΦbҦqll}AW١AɮצWٵD ҦpG
   
Here is some <tt>typewriter text</tt> to be included in the document.

   ۷G
   
Here is some <tt/typewriter text/ to be included in the document.

   OopGQ]trt׽uAiHϥ²ΦD
   
   䥦r r Ϊ bf H r Ϊ emD t~٤䴩ƺئrA
   OڤĳAϥΥ̡A]̷|Qഫ HTML 䴩rD A
   rAHαӯມAݭnD
   
3.7 C

   tΤ䴩ƺؤPCD̬OG
     * itemize o˪iܦC
     * enum ƦrC
     * descrip yzC
       
   b itemize άO enum ̪إH item ҥ[HХܡD b descrip ̪
   إH tag ХܡD ҦpA
   
<itemize>
<item>oO@ӶءD
<item>oOĤGӶءD
</itemize>

   ݰ_ӹOoˡG
     * oO@ӶءD
     * oOĤGӶءD
       
   b enum 
   
<enum>
<item>oOĤ@ӶءD
<item>oOĤGӶءD
</enum>

   AݱoXӡACiHO_DӸ`аѾ\dҤD
   
   descrip CyPAӥBIݡAObYǱpUAi|QϥΥG
   
<descrip>
<tag/Gnats./ Annoying little bugs that fly into your cooling fan.
<tag/Gnus./ Annoying little bugs that run on your CPU.
</descrip>

   ̫ݰ_ӹG
   
   Gnats.
          Annoying little bugs that fly into your cooling fan.
          
   Gnus.
          Annoying little bugs that run on your CPU.
          
3.8 i@BT

    1. QWERTZ ϥΪ̫ޥiHqǫo
       [17]ftp://ftp.cs.cornell.edu/pub/mdw/SGML. QWERTZ (H
       SGML-Tools) ٤䴩OƾǤAAϧε\hSʡD pGAQ
       SGML g@몺AګĳAέӪ QWERTZ DTD ӤnέקL
       linuxdoc DTDA ]oOگSOΨӼg Linux HOWTOs Ψ䥦Ϊ
       D
    2. Tom Gordon  QWERTZ tools ibG
       [18]ftp://ftp.gmd.de/GMD/sgml.
    3. h SGML TiHbUoǺG
          + [19]SGML and the Web
          + [20]SGML Web Page
          + [21]Yahoo's SGML Page
    4. James Clark  sgmls ѪRAΫӪ nsgmls ٦䥦uibo
       G [22]ftp://ftp.jclark.com H [23]James Clark's WWW Page.
    5. emacs psgml ibG [24]ftp://ftp.lysator.liu.se/pub/sgmlDo
       Ӥu㴣ѳ\h SGML \D
    6. AiHHqll [25]majordomo@via.ecp.fr HѻP SGML-Tools
       mailing listAeg subscribe sgml-toolsD Mailing list a}O
       [26]sgml-tools@via.ecp.frD
    7.  LyX hTiHbG [27]LyX WWW Page. LyX O@ӵ
       LaTeX ΪrBzeݡD bҨYұoɭA|۰ʲͳ\h
       LaTeX ˦ή槽D iHW LaTeX ǲߦӥBϽ槽²B
       D

References

   1. http://www.phys.ntu.edu.tw/~cwhuang/pub/
   2. mailto:cwhuang@phys.ntu.edu.tw
   3. mailto:thomas.gordon@gmd.de
   4. mailto:jjc@jclark.com
   5. ftp://sunsite.unc.edu/pub/Linux/utils/text/sgml-tools-0.99.0.tar.gz
   6. http://www.xs4all.nl/~cg/sgmltools/
   7. ftp://prep.ai.mit.edu/pub/gnu
   8. ftp://sunsite.unc.edu/pub/Linux/utils/text
   9. ftp://sunsite.unc.edu/
  10. ftp://prep.ai.mit.edu/pub/gnu
  11. ftp://prep.ai.mit.edu/pub/gnu
  12. ftp://sunsite.unc.edu/pub/Linux/utils/text
  13. ftp://sunsite.unc.edu/pub/Linux/system/Manual-pagers
  14. ftp://ftp.via.ecp.fr/
  15. file://localhost/tmp/zh-sgmltools.7880/SGML-Guide.txt.html#cross-ref
  16. ftp://sunsite.unc.edu/pub/Linux/utils/text/sgml-tools-0.99.0.tar.gz
  17. ftp://ftp.cs.cornell.edu/pub/mdw/SGML
  18. ftp://ftp.gmd.de/GMD/sgml
  19. http://www.w3.org/hypertext/WWW/MarkUp/SGML/
  20. http://www.sil.org/sgml/sgml.html
  21. http://www.yahoo.com/Computers_and_Internet/Information_and_Documentation/Data_Formats/SGML/
  22. ftp://ftp.jclark.com/
  23. http://www.jclark.com/
  24. ftp://ftp.lysator.liu.se/pub/sgml
  25. mailto:majordomo@via.ecp.fr
  26. mailto:sgml-tools@via.ecp.fr
  27. http://wsiserv.informatik.uni-tuebingen.de/~ettrich/
