blog/Typesetting_a_short_story_using_docbook_for_PDF__HTML_and_EPUB.html

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   6     <title>Petter Reinholdtsen: Typesetting a short story using docbook for PDF, HTML and EPUB</title>
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  14  <h1>
  15      <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  16
  17  </h1>
  18
  19 </div>
  20
  21
  22     <div class="entry">
  23       <div class="title">Typesetting a short story using docbook for PDF, HTML and EPUB</div>
  24       <div class="date">24th March 2013</div>
  25       <div class="body"><p>A few days ago, during a discussion in
  26 <a href="http://www.efn.no/">EFN</a> about interesting books to read
  27 about copyright and the data retention directive, a suggestion to read
  28 the 1968 short story Kodémus by
  29 <a href="http://web2.gyldendal.no/toraage/">Tore Åge Bringsværd</a>
  30 came up.  The text was only available in old paper books, and thus not
  31 easily available for current and future generations.  Some of the
  32 people participating in the discussion contacted the author, and
  33 reported back 2013-03-19 that the author was OK with releasing the
  34 short story using a <a href="http://www.creativecommons.org/">Creative
  35 Commons</a> license.  The text was quickly scanned and OCR-ed, and we
  36 were ready to start on the editing and typesetting.</p>
  37
  38 <p>As I already had some experience formatting text in my project to
  39 provide a Norwegian version of the Free Culture book by Lawrence
  40 Lessig, I chipped in and set up a
  41 <a href="http://www.docbook.org/">DocBook</a> processing framework to
  42 generate PDF, HTML and EPUB version of the short story.  The tools to
  43 transform DocBook to different formats are already in my Linux
  44 distribution of choice, <a href="http://www.debian.org/">Debian</a>, so
  45 all I had to do was to use the
  46 <a href="http://dblatex.sourceforge.net/">dblatex</a>,
  47 <a href="http://docbook.sourceforge.net/release/xsl/current/epub/README">dbtoepub</a>
  48 and <a href="https://fedorahosted.org/xmlto/">xmlto</a> tools to do the
  49 conversion.  After a few days, we decided to replace dblatex with
  50 xsltproc/fop (aka
  51 <a href="http://wiki.docbook.org/DocBookXslStylesheets">docbook-xsl</a>),
  52 to get the copyright information to show up in the PDF and to get a
  53 nicer &lt;variablelist&gt; typesetting, but that is just a minor
  54 technical detail.</p>
  55
  56 <p>There were a few challenges, of course.  We want to typeset the
  57 short story to look like the original, and that require fairly good
  58 control over the layout.  The original short story have three
  59 parts/scenes separated by a single horizontally centred star (*), and
  60 the paragraphs do not contain only flowing text, but dialogs and text
  61 that started on a new line in the middle of the paragraph.</p>
  62
  63 <p>I initially solved the first challenge by using a paragraph with a
  64 single star in it, ie &lt;para&gt;*&lt;/para&gt;, but it made sure a
  65 placeholder indicated where the scene shifted.  This did not look too
  66 good without the centring.  The next approach was to create a new
  67 preprocessor directive &lt;?newscene?&gt;, mapping to "&lt;hr/&gt;"
  68 for HTML and "&lt;fo:block text-align="center"&gt;&lt;fo:leader
  69 leader-pattern="rule" rule-thickness="0.5pt"/&gt;&lt;/fo:block&gt;"
  70 for FO/PDF output (did not try to implement this in dblatex, as we had
  71 switched at this time).  The HTML XSL file looked like this:</p>
  72
  73 <p><blockquote><pre>
  74 &lt;?xml version='1.0'?&gt;
  75 &lt;xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version='1.0'&gt;
  76   &lt;xsl:template match="processing-instruction('newscene')"&gt;
  77     &lt;hr/&gt;
  78   &lt;/xsl:template&gt;
  79 &lt;/xsl:stylesheet&gt;
  80 </pre></blockquote></p>
  81
  82 <p>And the FO/PDF XSL file looked like this:</p>
  83
  84 <p><blockquote><pre>
  85 &lt;?xml version='1.0'?&gt;
  86 &lt;xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version='1.0'&gt;
  87   &lt;xsl:template match="processing-instruction('newscene')"&gt;
  88     &lt;fo:block text-align="center"&gt;
  89       &lt;fo:leader leader-pattern="rule" rule-thickness="0.5pt"/&gt;
  90     &lt;/fo:block&gt;
  91   &lt;/xsl:template&gt;
  92 &lt;/xsl:stylesheet&gt;
  93 </pre></blockquote></p>
  94
  95 <p>Finally, I came across the &lt;bridgehead&gt; tag, which seem to be
  96 a good fit for the task at hand, and I replaced &lt;?newscene?&gt;
  97 with &lt;bridgehead&gt;*&lt;/bridgehead&gt;.  It isn't centred, but we
  98 can fix it with some XSL rule if the current visual layout isn't
  99 enough.</p>
 100
 101 <p>I did not find a good DocBook compliant way to solve the
 102 linebreak/paragraph challenge, so I ended up creating a new processor
 103 directive &lt;?linebreak?&gt;, mapping to &lt;br/&gt; in HTML, and
 104 &lt;fo:block/&gt; in FO/PDF.  I suspect there are better ways to do
 105 this, and welcome ideas and patches on github.  The HTML XSL file now
 106 look like this:</p>
 107
 108 <p><blockquote><pre>
 109 &lt;?xml version='1.0'?&gt;
 110 &lt;xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version='1.0'&gt;
 111   &lt;xsl:template match="processing-instruction('linebreak)"&gt;
 112     &lt;br/&gt;
 113   &lt;/xsl:template&gt;
 114 &lt;/xsl:stylesheet&gt;
 115 </pre></blockquote></p>
 116
 117 <p>And the FO/PDF XSL file looked like this:</p>
 118
 119 <p><blockquote><pre>
 120 &lt;?xml version='1.0'?&gt;
 121 &lt;xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version='1.0'
 122   xmlns:fo="http://www.w3.org/1999/XSL/Format"&gt;
 123   &lt;xsl:template match="processing-instruction('linebreak)"&gt;
 124     &lt;fo:block/&gt;
 125   &lt;/xsl:template&gt;
 126 &lt;/xsl:stylesheet&gt;
 127 </pre></blockquote></p>
 128
 129 <p>One unsolved challenge is our wish to expose different ISBN numbers
 130 per publication format, while keeping all of them in some conditional
 131 structure in the DocBook source.  No idea how to do this, so we ended
 132 up listing all the ISBN numbers next to their format in the colophon
 133 page.</p>
 134
 135 <p>If you want to check out the finished result, check out the
 136 <a href="https://github.com/sickel/kodemus">source repository at
 137 github</a>
 138 (<a href="https://github.com/EFN/kodemus">future/new/official
 139 repository</a>).  We expect it to be ready and announced in a few
 140 days.</p>
 141 </div>
 142
 143       <div class="tags">Tags: <a href="http://people.skolelinux.org/pere/blog/tags/docbook">docbook</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture</a>, <a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett</a>.</div>
 144
 145
 146     </div>
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 151     <div id="sidebar">
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 155 <h2>Archive</h2>
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 245
 246 </ul></li>
 247
 248 <li>2015
 249 <ul>
 250
 251 <li><a href="http://people.skolelinux.org/pere/blog/archive/2015/01/">January (7)</a></li>
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 274
 275 </ul></li>
 276
 277 <li>2014
 278 <ul>
 279
 280 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/01/">January (2)</a></li>
 281
 282 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/02/">February (3)</a></li>
 283
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 285
 286 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/04/">April (7)</a></li>
 287
 288 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/05/">May (1)</a></li>
 289
 290 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/06/">June (2)</a></li>
 291
 292 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/07/">July (2)</a></li>
 293
 294 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/08/">August (2)</a></li>
 295
 296 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/09/">September (5)</a></li>
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 298 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/10/">October (6)</a></li>
 299
 300 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/11/">November (3)</a></li>
 301
 302 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/12/">December (5)</a></li>
 303
 304 </ul></li>
 305
 306 <li>2013
 307 <ul>
 308
 309 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/01/">January (11)</a></li>
 310
 311 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/02/">February (9)</a></li>
 312
 313 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/03/">March (9)</a></li>
 314
 315 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/04/">April (6)</a></li>
 316
 317 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/05/">May (9)</a></li>
 318
 319 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/06/">June (10)</a></li>
 320
 321 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/07/">July (7)</a></li>
 322
 323 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/08/">August (3)</a></li>
 324
 325 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/09/">September (5)</a></li>
 326
 327 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/10/">October (7)</a></li>
 328
 329 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/11/">November (9)</a></li>
 330
 331 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/12/">December (3)</a></li>
 332
 333 </ul></li>
 334
 335 <li>2012
 336 <ul>
 337
 338 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/01/">January (7)</a></li>
 339
 340 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/02/">February (10)</a></li>
 341
 342 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/03/">March (17)</a></li>
 343
 344 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/04/">April (12)</a></li>
 345
 346 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/05/">May (12)</a></li>
 347
 348 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/06/">June (20)</a></li>
 349
 350 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/07/">July (17)</a></li>
 351
 352 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/08/">August (6)</a></li>
 353
 354 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/09/">September (9)</a></li>
 355
 356 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/10/">October (17)</a></li>
 357
 358 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/11/">November (10)</a></li>
 359
 360 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/12/">December (7)</a></li>
 361
 362 </ul></li>
 363
 364 <li>2011
 365 <ul>
 366
 367 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/01/">January (16)</a></li>
 368
 369 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/02/">February (6)</a></li>
 370
 371 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/03/">March (6)</a></li>
 372
 373 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/04/">April (7)</a></li>
 374
 375 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/05/">May (3)</a></li>
 376
 377 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/06/">June (2)</a></li>
 378
 379 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/07/">July (7)</a></li>
 380
 381 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/08/">August (6)</a></li>
 382
 383 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/09/">September (4)</a></li>
 384
 385 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/10/">October (2)</a></li>
 386
 387 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/11/">November (3)</a></li>
 388
 389 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/12/">December (1)</a></li>
 390
 391 </ul></li>
 392
 393 <li>2010
 394 <ul>
 395
 396 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
 397
 398 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
 399
 400 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
 401
 402 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
 403
 404 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (9)</a></li>
 405
 406 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/06/">June (14)</a></li>
 407
 408 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/07/">July (12)</a></li>
 409
 410 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/08/">August (13)</a></li>
 411
 412 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/09/">September (7)</a></li>
 413
 414 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/10/">October (9)</a></li>
 415
 416 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/11/">November (13)</a></li>
 417
 418 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/12/">December (12)</a></li>
 419
 420 </ul></li>
 421
 422 <li>2009
 423 <ul>
 424
 425 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
 426
 427 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
 428
 429 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
 430
 431 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
 432
 433 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
 434
 435 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
 436
 437 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
 438
 439 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
 440
 441 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
 442
 443 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
 444
 445 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
 446
 447 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
 448
 449 </ul></li>
 450
 451 <li>2008
 452 <ul>
 453
 454 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
 455
 456 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
 457
 458 </ul></li>
 459
 460 </ul>
 461
 462
 463
 464 <h2>Tags</h2>
 465 <ul>
 466
 467  <li><a href="http://people.skolelinux.org/pere/blog/tags/3d-printer">3d-printer (16)</a></li>
 468
 469  <li><a href="http://people.skolelinux.org/pere/blog/tags/amiga">amiga (1)</a></li>
 470
 471  <li><a href="http://people.skolelinux.org/pere/blog/tags/aros">aros (1)</a></li>
 472
 473  <li><a href="http://people.skolelinux.org/pere/blog/tags/bankid">bankid (4)</a></li>
 474
 475  <li><a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (10)</a></li>
 476
 477  <li><a href="http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem (17)</a></li>
 478
 479  <li><a href="http://people.skolelinux.org/pere/blog/tags/bsa">bsa (2)</a></li>
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 485  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian edu">debian edu (158)</a></li>
 486
 487  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian-handbook">debian-handbook (4)</a></li>
 488
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 492
 493  <li><a href="http://people.skolelinux.org/pere/blog/tags/docbook">docbook (25)</a></li>
 494
 495  <li><a href="http://people.skolelinux.org/pere/blog/tags/drivstoffpriser">drivstoffpriser (4)</a></li>
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 499  <li><a href="http://people.skolelinux.org/pere/blog/tags/fiksgatami">fiksgatami (23)</a></li>
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 501  <li><a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (14)</a></li>
 502
 503  <li><a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (33)</a></li>
 504
 505  <li><a href="http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox (9)</a></li>
 506
 507  <li><a href="http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen (20)</a></li>
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 517  <li><a href="http://people.skolelinux.org/pere/blog/tags/kodi">kodi (4)</a></li>
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 519  <li><a href="http://people.skolelinux.org/pere/blog/tags/ldap">ldap (9)</a></li>
 520
 521  <li><a href="http://people.skolelinux.org/pere/blog/tags/lego">lego (4)</a></li>
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 523  <li><a href="http://people.skolelinux.org/pere/blog/tags/lenker">lenker (8)</a></li>
 524
 525  <li><a href="http://people.skolelinux.org/pere/blog/tags/lsdvd">lsdvd (2)</a></li>
 526
 527  <li><a href="http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (1)</a></li>
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 530
 531  <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (42)</a></li>
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 533  <li><a href="http://people.skolelinux.org/pere/blog/tags/nice free software">nice free software (11)</a></li>
 534
 535  <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (301)</a></li>
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 540
 541  <li><a href="http://people.skolelinux.org/pere/blog/tags/open311">open311 (2)</a></li>
 542
 543  <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (73)</a></li>
 544
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 546
 547  <li><a href="http://people.skolelinux.org/pere/blog/tags/raid">raid (2)</a></li>
 548
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 551  <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (11)</a></li>
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 553  <li><a href="http://people.skolelinux.org/pere/blog/tags/rfid">rfid (3)</a></li>
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 555  <li><a href="http://people.skolelinux.org/pere/blog/tags/robot">robot (11)</a></li>
 556
 557  <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
 558
 559  <li><a href="http://people.skolelinux.org/pere/blog/tags/ruter">ruter (6)</a></li>
 560
 561  <li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
 562
 563  <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (55)</a></li>
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 565  <li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
 566
 567  <li><a href="http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (5)</a></li>
 568
 569  <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (58)</a></li>
 570
 571  <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (6)</a></li>
 572
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 574
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 576
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 578
 579  <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
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 581  <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (9)</a></li>
 582
 583  <li><a href="http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri (15)</a></li>
 584
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 586
 587  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
 588
 589  <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (42)</a></li>
 590
 591 </ul>
 592
 593
 594     </div>
 595     <p style="text-align: right">
 596  Created by <a href="http://steve.org.uk/Software/chronicle">Chronicle v4.6</a>
 597 </p>
 598
 599   </body>
 600 </html>