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  18     <div class="TITLEPAGE">
  19       <h1 class="TITLE"><a name="AEN2" id="AEN2">Privoxy 3.0.22 User
  20       Manual</a></h1>
  21
  22       <p class="PUBDATE"><sub><a href="copyright.html">Copyright</a> &copy;
  23       2001-2013 by <a href="http://www.privoxy.org/" target="_top">Privoxy
  24       Developers</a></sub><br></p>
  25
  26       <p class="PUBDATE">$Id: user-manual.sgml,v 2.182 2014/05/05 10:08:43
  27       fabiankeil Exp $<br></p>
  28
  29       <div>
  30         <div class="ABSTRACT">
  31           <a name="AEN9" id="AEN9"></a>
  32
  33           <p>The <i class="CITETITLE">Privoxy User Manual</i> gives users
  34           information on how to install, configure and use <a href=
  35           "http://www.privoxy.org/" target="_top">Privoxy</a>.</p>
  36
  37           <p>Privoxy is a non-caching web proxy with advanced filtering
  38           capabilities for enhancing privacy, modifying web page data and
  39           HTTP headers, controlling access, and removing ads and other
  40           obnoxious Internet junk. Privoxy has a flexible configuration and
  41           can be customized to suit individual needs and tastes. It has
  42           application for both stand-alone systems and multi-user
  43           networks.</p>
  44
  45           <p>Privoxy is Free Software and licensed under the GNU GPLv2.</p>
  46
  47           <p>Privoxy is an associated project of Software in the Public
  48           Interest (SPI).</p>
  49
  50           <p>Helping hands and donations are welcome:</p>
  51
  52           <ul>
  53             <li>
  54               <p><a href=
  55               "http://www.privoxy.org/faq/general.html#PARTICIPATE" target=
  56               "_top">http://www.privoxy.org/faq/general.html#PARTICIPATE</a></p>
  57             </li>
  58
  59             <li>
  60               <p><a href="http://www.privoxy.org/faq/general.html#DONATE"
  61               target=
  62               "_top">http://www.privoxy.org/faq/general.html#DONATE</a></p>
  63             </li>
  64           </ul>
  65
  66           <p>You can find the latest version of the <i class=
  67           "CITETITLE">Privoxy User Manual</i> at <a href=
  68           "http://www.privoxy.org/user-manual/" target=
  69           "_top">http://www.privoxy.org/user-manual/</a>. Please see the
  70           <a href="contact.html">Contact section</a> on how to contact the
  71           developers.</p>
  72         </div>
  73       </div>
  74       <hr>
  75     </div>
  76
  77     <div class="TOC">
  78       <dl>
  79         <dt><b>Table of Contents</b></dt>
  80
  81         <dt>1. <a href="introduction.html">Introduction</a></dt>
  82
  83         <dd>
  84           <dl>
  85             <dt>1.1. <a href="introduction.html#FEATURES">Features</a></dt>
  86           </dl>
  87         </dd>
  88
  89         <dt>2. <a href="installation.html">Installation</a></dt>
  90
  91         <dd>
  92           <dl>
  93             <dt>2.1. <a href="installation.html#INSTALLATION-PACKAGES">Binary
  94             Packages</a></dt>
  95
  96             <dd>
  97               <dl>
  98                 <dt>2.1.1. <a href=
  99                 "installation.html#INSTALLATION-DEB">Debian and
 100                 Ubuntu</a></dt>
 101
 102                 <dt>2.1.2. <a href=
 103                 "installation.html#INSTALLATION-PACK-WIN">Windows</a></dt>
 104
 105                 <dt>2.1.3. <a href=
 106                 "installation.html#INSTALLATION-OS2">OS/2</a></dt>
 107
 108                 <dt>2.1.4. <a href="installation.html#INSTALLATION-MAC">Mac
 109                 OS X</a></dt>
 110
 111                 <dt>2.1.5. <a href=
 112                 "installation.html#OS-X-INSTALL-FROM-PACKAGE">Installation
 113                 from ready-built package</a></dt>
 114
 115                 <dt>2.1.6. <a href=
 116                 "installation.html#OS-X-INSTALL-FROM-SOURCE">Installation
 117                 from source</a></dt>
 118
 119                 <dt>2.1.7. <a href=
 120                 "installation.html#INSTALLATION-FREEBSD">FreeBSD</a></dt>
 121               </dl>
 122             </dd>
 123
 124             <dt>2.2. <a href="installation.html#INSTALLATION-SOURCE">Building
 125             from Source</a></dt>
 126
 127             <dt>2.3. <a href=
 128             "installation.html#INSTALLATION-KEEPUPDATED">Keeping your
 129             Installation Up-to-Date</a></dt>
 130           </dl>
 131         </dd>
 132
 133         <dt>3. <a href="whatsnew.html">What's New in this Release</a></dt>
 134
 135         <dd>
 136           <dl>
 137             <dt>3.1. <a href="whatsnew.html#UPGRADERSNOTE">Note to
 138             Upgraders</a></dt>
 139           </dl>
 140         </dd>
 141
 142         <dt>4. <a href="quickstart.html">Quickstart to Using Privoxy</a></dt>
 143
 144         <dd>
 145           <dl>
 146             <dt>4.1. <a href=
 147             "quickstart.html#QUICKSTART-AD-BLOCKING">Quickstart to Ad
 148             Blocking</a></dt>
 149           </dl>
 150         </dd>
 151
 152         <dt>5. <a href="startup.html">Starting Privoxy</a></dt>
 153
 154         <dd>
 155           <dl>
 156             <dt>5.1. <a href="startup.html#START-DEBIAN">Debian</a></dt>
 157
 158             <dt>5.2. <a href="startup.html#START-WINDOWS">Windows</a></dt>
 159
 160             <dt>5.3. <a href="startup.html#START-UNICES">Solaris, NetBSD,
 161             FreeBSD, HP-UX and others</a></dt>
 162
 163             <dt>5.4. <a href="startup.html#START-OS2">OS/2</a></dt>
 164
 165             <dt>5.5. <a href="startup.html#START-MACOSX">Mac OS X</a></dt>
 166
 167             <dt>5.6. <a href="startup.html#CMDOPTIONS">Command Line
 168             Options</a></dt>
 169           </dl>
 170         </dd>
 171
 172         <dt>6. <a href="configuration.html">Privoxy Configuration</a></dt>
 173
 174         <dd>
 175           <dl>
 176             <dt>6.1. <a href="configuration.html#AEN1080">Controlling Privoxy
 177             with Your Web Browser</a></dt>
 178
 179             <dt>6.2. <a href="configuration.html#CONFOVERVIEW">Configuration
 180             Files Overview</a></dt>
 181           </dl>
 182         </dd>
 183
 184         <dt>7. <a href="config.html">The Main Configuration File</a></dt>
 185
 186         <dd>
 187           <dl>
 188             <dt>7.1. <a href="config.html#LOCAL-SET-UP">Local Set-up
 189             Documentation</a></dt>
 190
 191             <dd>
 192               <dl>
 193                 <dt>7.1.1. <a href=
 194                 "config.html#USER-MANUAL">user-manual</a></dt>
 195
 196                 <dt>7.1.2. <a href=
 197                 "config.html#TRUST-INFO-URL">trust-info-url</a></dt>
 198
 199                 <dt>7.1.3. <a href=
 200                 "config.html#ADMIN-ADDRESS">admin-address</a></dt>
 201
 202                 <dt>7.1.4. <a href=
 203                 "config.html#PROXY-INFO-URL">proxy-info-url</a></dt>
 204               </dl>
 205             </dd>
 206
 207             <dt>7.2. <a href="config.html#CONF-LOG-LOC">Configuration and Log
 208             File Locations</a></dt>
 209
 210             <dd>
 211               <dl>
 212                 <dt>7.2.1. <a href="config.html#CONFDIR">confdir</a></dt>
 213
 214                 <dt>7.2.2. <a href="config.html#TEMPLDIR">templdir</a></dt>
 215
 216                 <dt>7.2.3. <a href="config.html#LOGDIR">logdir</a></dt>
 217
 218                 <dt>7.2.4. <a href=
 219                 "config.html#ACTIONSFILE">actionsfile</a></dt>
 220
 221                 <dt>7.2.5. <a href=
 222                 "config.html#FILTERFILE">filterfile</a></dt>
 223
 224                 <dt>7.2.6. <a href="config.html#LOGFILE">logfile</a></dt>
 225
 226                 <dt>7.2.7. <a href="config.html#TRUSTFILE">trustfile</a></dt>
 227               </dl>
 228             </dd>
 229
 230             <dt>7.3. <a href="config.html#DEBUGGING">Debugging</a></dt>
 231
 232             <dd>
 233               <dl>
 234                 <dt>7.3.1. <a href="config.html#DEBUG">debug</a></dt>
 235
 236                 <dt>7.3.2. <a href=
 237                 "config.html#SINGLE-THREADED">single-threaded</a></dt>
 238
 239                 <dt>7.3.3. <a href="config.html#HOSTNAME">hostname</a></dt>
 240               </dl>
 241             </dd>
 242
 243             <dt>7.4. <a href="config.html#ACCESS-CONTROL">Access Control and
 244             Security</a></dt>
 245
 246             <dd>
 247               <dl>
 248                 <dt>7.4.1. <a href=
 249                 "config.html#LISTEN-ADDRESS">listen-address</a></dt>
 250
 251                 <dt>7.4.2. <a href="config.html#TOGGLE">toggle</a></dt>
 252
 253                 <dt>7.4.3. <a href=
 254                 "config.html#ENABLE-REMOTE-TOGGLE">enable-remote-toggle</a></dt>
 255
 256                 <dt>7.4.4. <a href=
 257                 "config.html#ENABLE-REMOTE-HTTP-TOGGLE">enable-remote-http-toggle</a></dt>
 258
 259                 <dt>7.4.5. <a href=
 260                 "config.html#ENABLE-EDIT-ACTIONS">enable-edit-actions</a></dt>
 261
 262                 <dt>7.4.6. <a href=
 263                 "config.html#ENFORCE-BLOCKS">enforce-blocks</a></dt>
 264
 265                 <dt>7.4.7. <a href="config.html#ACLS">ACLs: permit-access and
 266                 deny-access</a></dt>
 267
 268                 <dt>7.4.8. <a href=
 269                 "config.html#BUFFER-LIMIT">buffer-limit</a></dt>
 270
 271                 <dt>7.4.9. <a href=
 272                 "config.html#ENABLE-PROXY-AUTHENTICATION-FORWARDING">enable-proxy-authentication-forwarding</a></dt>
 273               </dl>
 274             </dd>
 275
 276             <dt>7.5. <a href="config.html#FORWARDING">Forwarding</a></dt>
 277
 278             <dd>
 279               <dl>
 280                 <dt>7.5.1. <a href="config.html#FORWARD">forward</a></dt>
 281
 282                 <dt>7.5.2. <a href="config.html#SOCKS">forward-socks4,
 283                 forward-socks4a, forward-socks5 and forward-socks5t</a></dt>
 284
 285                 <dt>7.5.3. <a href=
 286                 "config.html#ADVANCED-FORWARDING-EXAMPLES">Advanced
 287                 Forwarding Examples</a></dt>
 288
 289                 <dt>7.5.4. <a href=
 290                 "config.html#FORWARDED-CONNECT-RETRIES">forwarded-connect-retries</a></dt>
 291               </dl>
 292             </dd>
 293
 294             <dt>7.6. <a href="config.html#MISC">Miscellaneous</a></dt>
 295
 296             <dd>
 297               <dl>
 298                 <dt>7.6.1. <a href=
 299                 "config.html#ACCEPT-INTERCEPTED-REQUESTS">accept-intercepted-requests</a></dt>
 300
 301                 <dt>7.6.2. <a href=
 302                 "config.html#ALLOW-CGI-REQUEST-CRUNCHING">allow-cgi-request-crunching</a></dt>
 303
 304                 <dt>7.6.3. <a href=
 305                 "config.html#SPLIT-LARGE-FORMS">split-large-forms</a></dt>
 306
 307                 <dt>7.6.4. <a href=
 308                 "config.html#KEEP-ALIVE-TIMEOUT">keep-alive-timeout</a></dt>
 309
 310                 <dt>7.6.5. <a href=
 311                 "config.html#TOLERATE-PIPELINING">tolerate-pipelining</a></dt>
 312
 313                 <dt>7.6.6. <a href=
 314                 "config.html#DEFAULT-SERVER-TIMEOUT">default-server-timeout</a></dt>
 315
 316                 <dt>7.6.7. <a href=
 317                 "config.html#CONNECTION-SHARING">connection-sharing</a></dt>
 318
 319                 <dt>7.6.8. <a href=
 320                 "config.html#SOCKET-TIMEOUT">socket-timeout</a></dt>
 321
 322                 <dt>7.6.9. <a href=
 323                 "config.html#MAX-CLIENT-CONNECTIONS">max-client-connections</a></dt>
 324
 325                 <dt>7.6.10. <a href=
 326                 "config.html#HANDLE-AS-EMPTY-DOC-RETURNS-OK">handle-as-empty-doc-returns-ok</a></dt>
 327
 328                 <dt>7.6.11. <a href=
 329                 "config.html#ENABLE-COMPRESSION">enable-compression</a></dt>
 330
 331                 <dt>7.6.12. <a href=
 332                 "config.html#COMPRESSION-LEVEL">compression-level</a></dt>
 333
 334                 <dt>7.6.13. <a href=
 335                 "config.html#CLIENT-HEADER-ORDER">client-header-order</a></dt>
 336               </dl>
 337             </dd>
 338
 339             <dt>7.7. <a href="config.html#WINDOWS-GUI">Windows GUI
 340             Options</a></dt>
 341           </dl>
 342         </dd>
 343
 344         <dt>8. <a href="actions-file.html">Actions Files</a></dt>
 345
 346         <dd>
 347           <dl>
 348             <dt>8.1. <a href="actions-file.html#AEN2962">Finding the Right
 349             Mix</a></dt>
 350
 351             <dt>8.2. <a href="actions-file.html#AEN2969">How to Edit</a></dt>
 352
 353             <dt>8.3. <a href="actions-file.html#ACTIONS-APPLY">How Actions
 354             are Applied to Requests</a></dt>
 355
 356             <dt>8.4. <a href=
 357             "actions-file.html#AF-PATTERNS">Patterns</a></dt>
 358
 359             <dd>
 360               <dl>
 361                 <dt>8.4.1. <a href="actions-file.html#HOST-PATTERN">The Host
 362                 Pattern</a></dt>
 363
 364                 <dt>8.4.2. <a href="actions-file.html#AEN3163">The Path
 365                 Pattern</a></dt>
 366
 367                 <dt>8.4.3. <a href="actions-file.html#TAG-PATTERN">The Tag
 368                 Pattern</a></dt>
 369
 370                 <dt>8.4.4. <a href=
 371                 "actions-file.html#NEGATIVE-TAG-PATTERNS">The Negative Tag
 372                 Patterns</a></dt>
 373               </dl>
 374             </dd>
 375
 376             <dt>8.5. <a href="actions-file.html#ACTIONS">Actions</a></dt>
 377
 378             <dd>
 379               <dl>
 380                 <dt>8.5.1. <a href=
 381                 "actions-file.html#ADD-HEADER">add-header</a></dt>
 382
 383                 <dt>8.5.2. <a href="actions-file.html#BLOCK">block</a></dt>
 384
 385                 <dt>8.5.3. <a href=
 386                 "actions-file.html#CHANGE-X-FORWARDED-FOR">change-x-forwarded-for</a></dt>
 387
 388                 <dt>8.5.4. <a href=
 389                 "actions-file.html#CLIENT-HEADER-FILTER">client-header-filter</a></dt>
 390
 391                 <dt>8.5.5. <a href=
 392                 "actions-file.html#CLIENT-HEADER-TAGGER">client-header-tagger</a></dt>
 393
 394                 <dt>8.5.6. <a href=
 395                 "actions-file.html#CONTENT-TYPE-OVERWRITE">content-type-overwrite</a></dt>
 396
 397                 <dt>8.5.7. <a href=
 398                 "actions-file.html#CRUNCH-CLIENT-HEADER">crunch-client-header</a></dt>
 399
 400                 <dt>8.5.8. <a href=
 401                 "actions-file.html#CRUNCH-IF-NONE-MATCH">crunch-if-none-match</a></dt>
 402
 403                 <dt>8.5.9. <a href=
 404                 "actions-file.html#CRUNCH-INCOMING-COOKIES">crunch-incoming-cookies</a></dt>
 405
 406                 <dt>8.5.10. <a href=
 407                 "actions-file.html#CRUNCH-SERVER-HEADER">crunch-server-header</a></dt>
 408
 409                 <dt>8.5.11. <a href=
 410                 "actions-file.html#CRUNCH-OUTGOING-COOKIES">crunch-outgoing-cookies</a></dt>
 411
 412                 <dt>8.5.12. <a href=
 413                 "actions-file.html#DEANIMATE-GIFS">deanimate-gifs</a></dt>
 414
 415                 <dt>8.5.13. <a href=
 416                 "actions-file.html#DOWNGRADE-HTTP-VERSION">downgrade-http-version</a></dt>
 417
 418                 <dt>8.5.14. <a href=
 419                 "actions-file.html#FAST-REDIRECTS">fast-redirects</a></dt>
 420
 421                 <dt>8.5.15. <a href=
 422                 "actions-file.html#FILTER">filter</a></dt>
 423
 424                 <dt>8.5.16. <a href=
 425                 "actions-file.html#FORCE-TEXT-MODE">force-text-mode</a></dt>
 426
 427                 <dt>8.5.17. <a href=
 428                 "actions-file.html#FORWARD-OVERRIDE">forward-override</a></dt>
 429
 430                 <dt>8.5.18. <a href=
 431                 "actions-file.html#HANDLE-AS-EMPTY-DOCUMENT">handle-as-empty-document</a></dt>
 432
 433                 <dt>8.5.19. <a href=
 434                 "actions-file.html#HANDLE-AS-IMAGE">handle-as-image</a></dt>
 435
 436                 <dt>8.5.20. <a href=
 437                 "actions-file.html#HIDE-ACCEPT-LANGUAGE">hide-accept-language</a></dt>
 438
 439                 <dt>8.5.21. <a href=
 440                 "actions-file.html#HIDE-CONTENT-DISPOSITION">hide-content-disposition</a></dt>
 441
 442                 <dt>8.5.22. <a href=
 443                 "actions-file.html#HIDE-IF-MODIFIED-SINCE">hide-if-modified-since</a></dt>
 444
 445                 <dt>8.5.23. <a href=
 446                 "actions-file.html#HIDE-FROM-HEADER">hide-from-header</a></dt>
 447
 448                 <dt>8.5.24. <a href=
 449                 "actions-file.html#HIDE-REFERRER">hide-referrer</a></dt>
 450
 451                 <dt>8.5.25. <a href=
 452                 "actions-file.html#HIDE-USER-AGENT">hide-user-agent</a></dt>
 453
 454                 <dt>8.5.26. <a href=
 455                 "actions-file.html#LIMIT-CONNECT">limit-connect</a></dt>
 456
 457                 <dt>8.5.27. <a href=
 458                 "actions-file.html#LIMIT-COOKIE-LIFETIME">limit-cookie-lifetime</a></dt>
 459
 460                 <dt>8.5.28. <a href=
 461                 "actions-file.html#PREVENT-COMPRESSION">prevent-compression</a></dt>
 462
 463                 <dt>8.5.29. <a href=
 464                 "actions-file.html#OVERWRITE-LAST-MODIFIED">overwrite-last-modified</a></dt>
 465
 466                 <dt>8.5.30. <a href=
 467                 "actions-file.html#REDIRECT">redirect</a></dt>
 468
 469                 <dt>8.5.31. <a href=
 470                 "actions-file.html#SERVER-HEADER-FILTER">server-header-filter</a></dt>
 471
 472                 <dt>8.5.32. <a href=
 473                 "actions-file.html#SERVER-HEADER-TAGGER">server-header-tagger</a></dt>
 474
 475                 <dt>8.5.33. <a href=
 476                 "actions-file.html#SESSION-COOKIES-ONLY">session-cookies-only</a></dt>
 477
 478                 <dt>8.5.34. <a href=
 479                 "actions-file.html#SET-IMAGE-BLOCKER">set-image-blocker</a></dt>
 480
 481                 <dt>8.5.35. <a href=
 482                 "actions-file.html#AEN4847">Summary</a></dt>
 483               </dl>
 484             </dd>
 485
 486             <dt>8.6. <a href="actions-file.html#ALIASES">Aliases</a></dt>
 487
 488             <dt>8.7. <a href="actions-file.html#ACT-EXAMPLES">Actions Files
 489             Tutorial</a></dt>
 490
 491             <dd>
 492               <dl>
 493                 <dt>8.7.1. <a href=
 494                 "actions-file.html#AEN4911">match-all.action</a></dt>
 495
 496                 <dt>8.7.2. <a href=
 497                 "actions-file.html#AEN4933">default.action</a></dt>
 498
 499                 <dt>8.7.3. <a href=
 500                 "actions-file.html#AEN5046">user.action</a></dt>
 501               </dl>
 502             </dd>
 503           </dl>
 504         </dd>
 505
 506         <dt>9. <a href="filter-file.html">Filter Files</a></dt>
 507
 508         <dd>
 509           <dl>
 510             <dt>9.1. <a href="filter-file.html#AEN5208">Filter File
 511             Tutorial</a></dt>
 512
 513             <dt>9.2. <a href="filter-file.html#PREDEFINED-FILTERS">The
 514             Pre-defined Filters</a></dt>
 515           </dl>
 516         </dd>
 517
 518         <dt>10. <a href="templates.html">Privoxy's Template Files</a></dt>
 519
 520         <dt>11. <a href="contact.html">Contacting the Developers, Bug
 521         Reporting and Feature Requests</a></dt>
 522
 523         <dd>
 524           <dl>
 525             <dt>11.1. <a href="contact.html#SUFFICIENT-INFORMATION">Please
 526             provide sufficient information</a></dt>
 527
 528             <dt>11.2. <a href="contact.html#CONTACT-SUPPORT">Get
 529             Support</a></dt>
 530
 531             <dt>11.3. <a href="contact.html#REPORTING">Reporting
 532             Problems</a></dt>
 533
 534             <dd>
 535               <dl>
 536                 <dt>11.3.1. <a href="contact.html#CONTACT-ADS">Reporting Ads
 537                 or Other Configuration Problems</a></dt>
 538
 539                 <dt>11.3.2. <a href="contact.html#CONTACT-BUGS">Reporting
 540                 Bugs</a></dt>
 541               </dl>
 542             </dd>
 543
 544             <dt>11.4. <a href="contact.html#CONTACT-FEATURE">Request New
 545             Features</a></dt>
 546
 547             <dt>11.5. <a href="contact.html#MAILING-LISTS">Mailing
 548             Lists</a></dt>
 549           </dl>
 550         </dd>
 551
 552         <dt>12. <a href="copyright.html">Privoxy Copyright, License and
 553         History</a></dt>
 554
 555         <dd>
 556           <dl>
 557             <dt>12.1. <a href="copyright.html#LICENSE">License</a></dt>
 558
 559             <dt>12.2. <a href="copyright.html#HISTORY">History</a></dt>
 560
 561             <dt>12.3. <a href="copyright.html#AUTHORS">Authors</a></dt>
 562           </dl>
 563         </dd>
 564
 565         <dt>13. <a href="seealso.html">See Also</a></dt>
 566
 567         <dt>14. <a href="appendix.html">Appendix</a></dt>
 568
 569         <dd>
 570           <dl>
 571             <dt>14.1. <a href="appendix.html#REGEX">Regular
 572             Expressions</a></dt>
 573
 574             <dt>14.2. <a href="appendix.html#AEN5929">Privoxy's Internal
 575             Pages</a></dt>
 576
 577             <dd>
 578               <dl>
 579                 <dt>14.2.1. <a href=
 580                 "appendix.html#BOOKMARKLETS">Bookmarklets</a></dt>
 581               </dl>
 582             </dd>
 583
 584             <dt>14.3. <a href="appendix.html#CHAIN">Chain of Events</a></dt>
 585
 586             <dt>14.4. <a href="appendix.html#ACTIONSANAT">Troubleshooting:
 587             Anatomy of an Action</a></dt>
 588           </dl>
 589         </dd>
 590       </dl>
 591     </div>
 592   </div>
 593
 594   <div class="NAVFOOTER">
 595     <hr align="left" width="100%">
 596
 597     <table summary="Footer navigation table" width="100%" border="0"
 598     cellpadding="0" cellspacing="0">
 599       <tr>
 600         <td width="33%" align="left" valign="top">&nbsp;</td>
 601
 602         <td width="34%" align="center" valign="top">&nbsp;</td>
 603
 604         <td width="33%" align="right" valign="top"><a href=
 605         "introduction.html" accesskey="N">Next</a></td>
 606       </tr>
 607
 608       <tr>
 609         <td width="33%" align="left" valign="top">&nbsp;</td>
 610
 611         <td width="34%" align="center" valign="top">&nbsp;</td>
 612
 613         <td width="33%" align="right" valign="top">Introduction</td>
 614       </tr>
 615     </table>
 616   </div>
 617 </body>
 618 </html>