diff --git a/zh_CN.GB2312/share/sgml/l10n.ent b/zh_CN.GB2312/share/sgml/l10n.ent
index bd56fc3430..61274b4e69 100644
--- a/zh_CN.GB2312/share/sgml/l10n.ent
+++ b/zh_CN.GB2312/share/sgml/l10n.ent
@@ -1,54 +1,58 @@
 <!-- -*- sgml -*-
      DocBook Language Specific Entities for Localization (Simplified Chinese).
 
      Original Revision: 1.2
      $FreeBSD$
 -->
 
 <!-- docformat navi -->
 <!ENTITY docnavi.single-html "完整模式">
 <!ENTITY docnavi.split-html  "章节模式">
 
 <!-- charset for HTML output -->
 <!ENTITY doc.html.charset "gb2312">
 
 <!ENTITY mdash "──">
 
 <!ENTITY % output.for.print "IGNORE">
 
 <!ENTITY % authors.cn PUBLIC "-//FreeBSD//ENTITIES DocBook Author Entities//ZH">
 %authors.cn;
 
 <!ENTITY % authors.in.author.tag.cn
     PUBLIC "-//FreeBSD//ENTITIES DocBook Author In Author Tag Entities//ZH">
 %authors.in.author.tag.cn;
 
 <!ENTITY cnproj.freebsd.org "FreeBSD 中文计划">
 
-<!ENTITY cnproj.url.base "http://www.freebsd.org.cn">
+<!ENTITY cnproj.url.base "http://www.FreeBSD.org.cn">
+
+<!ENTITY cnsnap.url.base "http://cnsnap.cn.FreeBSD.org">
 
 <!ENTITY cnproj.contributing.to.freebsd.doc "
          这本手册还在不断由许多人<emphasis>继续书写</emphasis>。
          许多章节还是空白，有的章节亟待更新。
          如果您对这个项目感兴趣并愿意有所贡献，请发信给 &a.doc;。
 ">
 
 <!ENTITY cnproj.getting.freebsd.doc "
          本文档的最新英文原始版本可从
          <ulink url='&url.base;/index.html'>FreeBSD Web 站点</ulink> 获得，
-         最新中文译本可从 <ulink url='&cnproj.url.base;/'>&cnproj.freebsd.org; Web 站点</ulink>获得。
-         此外， 您也可以从
+         由 <ulink url='&cnproj.url.base;/'>&cnproj.freebsd.org;</ulink>
+         维护的最新译本可以在 <ulink url='&cnsnap.url.base;/zh_CN/'>&cnproj.freebsd.org; 快照 Web 站点</ulink>
+         和 <ulink url='&cnsnap.url.base;/doc/zh_CN.GB2312/'>&cnproj.freebsd.org; 文档快照</ulink>
+         处获得， 这一译本会不断向主站同步。 此外， 您也可以从
          <ulink url='ftp://ftp.FreeBSD.org/pub/FreeBSD/doc/'>FreeBSD FTP 服务器</ulink>
          或众多的 <ulink url='&url.books.handbook;/mirrors-ftp.html'>镜像站点</ulink>
          得到这份文档的各种其他格式以及压缩形式的版本。
 ">
 
 <!ENTITY cnproj.contributed.by "供稿：">
 
 <!ENTITY cnproj.modified.for.handbook.by "改编为手册：">
 
 <!ENTITY cnproj.translated.by "翻译：">
 
 <!ENTITY cnproj.written.by "写作：">
 
 
diff --git a/zh_CN.GB2312/share/sgml/trademarks.ent b/zh_CN.GB2312/share/sgml/trademarks.ent
index 9ca1d91af2..fd9bcd23f8 100644
--- a/zh_CN.GB2312/share/sgml/trademarks.ent
+++ b/zh_CN.GB2312/share/sgml/trademarks.ent
@@ -1,336 +1,338 @@
 <!--
      Trademark Legend, as required by The Open Group, Sun, etc..
 
      This file contains entities with trademark attributions for all
      the companies the FreeBSD documentation references.  It also
      contains entities for common products with proper trademark
      symbols.
 
      Please keep this file sorted.
 
-     Original revision: 1.34
+     Original revision: 1.35
      $FreeBSD$
 -->
 
 <!ENTITY tm-attrib.3com "<para>3Com 和 HomeConnect 是 3Com Corporation 的注册商标。</para>">
 <!-- An SGML entity can't start with a number... -->
 <!ENTITY tm.3com "<trademark class='registered'>3Com</trademark>">
 
 <!ENTITY tm-attrib.3ware "<para>3ware 和 Escalade 是 3ware Inc 的注册商标。</para>">
 <!ENTITY tm.3ware "<trademark class='registered'>3ware</trademark>">
 <!ENTITY escalade "<trademark class='registered'>Escalade</trademark>">
 
 <!-- http://www.adaptec.com/worldwide/company/compeditorial.html?prodkey=legal_copyright -->
 <!ENTITY tm-attrib.adaptec "<para>Adaptec 是
   Adaptec, Inc. 的注册商标。</para>">
 <!ENTITY adaptec "<trademark class='registered'>Adaptec</trademark>">
 
 <!ENTITY tm-attrib.adobe "<para>Adobe, Acrobat, Acrobat Reader, 以及
   PostScript 是 Adobe
   Systems Incorporated 在美国和/或其他国家的商标或注册商标。</para>">
 <!ENTITY acrobat "<trademark class='registered'>Acrobat</trademark>">
 <!ENTITY acrobat.reader "<trademark class='registered'>Acrobat Reader</trademark>">
 <!ENTITY adobe "<trademark class='registered'>Adobe</trademark>">
 <!ENTITY postscript "<trademark class='registered'>PostScript</trademark>">
 
 <!-- http://www.amd.com/us-en/Trademarkinformation/0,,1435_1442,00.html -->
 <!ENTITY tm-attrib.amd "<para>AMD, Am486, Am5X86, AMD Athlon, AMD
   Duron, AMD Opteron, AMD-K6, Athlon, &Eacute;lan, Opteron, 和 PCnet 是
  Advanced Micro Devices, Inc. 的商标。</para>">
 <!ENTITY am486 "<trademark class='registered'>Am486</trademark>">
 <!ENTITY am5x86 "<trademark class='registered'>Am5x86</trademark>">
 <!ENTITY amd.athlon "<trademark>AMD Athlon</trademark>">
 <!ENTITY amd.duron "<trademark>AMD Duron</trademark>">
 <!ENTITY amd.k6 "<trademark class='registered'>AMD-K6</trademark>">
 <!ENTITY amd.opteron "<trademark>AMD Opteron</trademark>">
 <!ENTITY athlon "<trademark>Athlon</trademark>">
 <!ENTITY elan "<trademark>&Eacute;lan</trademark>">
 <!ENTITY opteron "<trademark>Opteron</trademark>">
 
 <!-- http://www.apple.com/legal/trademark/appletmlist.html -->
-<!ENTITY tm-attrib.apple "<para>Apple, FireWire, Mac, Macintosh, Mac OS,
+<!ENTITY tm-attrib.apple "<para>Apple, AirPort, FireWire, Mac, Macintosh, Mac OS,
   Quicktime, 以及 TrueType 是 Apple Computer, Inc. 在美国以及其他国家的注册商标。</para>">
+<!ENTITY airport "<trademark class='registered'>AirPort</trademark>">
+<!ENTITY apple "<trademark class='registered'>Apple</trademark>">
 <!ENTITY firewire "<trademark class='registered'>FireWire</trademark>">
 <!ENTITY mac "<trademark class='registered'>Mac</trademark>">
 <!ENTITY macintosh "<trademark class='registered'>Macintosh</trademark>">
 <!ENTITY macos "<trademark class='registered'>Mac OS</trademark>">
 <!ENTITY quicktime "<trademark class='registered'>Quicktime</trademark>">
 <!ENTITY truetype "<trademark class='registered'>TrueType</trademark>">
 
 <!ENTITY tm-attrib.arm "<para>ARM 是 ARM
   Limited. 的注册商标。</para>">
 <!ENTITY arm "<trademark class='registered'>ARM</trademark>">
 
 <!-- http://www.bluetooth.com/sig/trademark.use.asp -->
 <!ENTITY tm-attrib.bluetooth "<para>The Bluetooth 文字标志属于 Bluetooth SIG, Inc.</para>">
 <!ENTITY bluetooth "<trademark class='registered'>Bluetooth</trademark>">
 
 <!ENTITY tm-attrib.broadcom "<para>Broadcom 是 Broadcom Corporation 和/或其子公司的注册商标。</para>">
 <!ENTITY broadcom "<trademark class='registered'>Broadcom</trademark>">
 
 <!-- http://www.checkpoint.com/copyright.html -->
 <!ENTITY tm-attrib.check-point "<para>Check Point, Firewall-1, 以及
   VPN-1 是 Check Point Software Technologies
   Ltd. 的商标。</para>">
 
 <!ENTITY tm-attrib.cisco "<para>Cisco, Catalyst, 和 IOS
   是 Cisco Systems, Inc. 和/或其附属机构在美国和一些其他国家的注册商标。</para>">
 <!ENTITY catalyst "<trademark class='registered'>Catalyst</trademark>">
 <!ENTITY ios "<trademark class='registered'>IOS</trademark>">
 
 <!ENTITY tm-attrib.corel "<para>Corel 和 WordPerfect 是 Corel Corporation 和/或其子公司
   在加拿大、美国和/或其他国家的注册商标。</para>">
 
 <!-- http://www.creative.com/legal.asp -->
 <!ENTITY tm-attrib.creative "<para>Sound Blaster 是
   Creative Technology Ltd. 在美国和/或其他国家的注册商标。</para>">
 <!ENTITY soundblaster "<trademark class='registered'>SoundBlaster</trademark>">
 
 <!-- http://www.cvsup.org/ -->
 <!ENTITY tm-attrib.cvsup "<para>CVSup 是
   John D. Polstra 的注册商标。</para>">
 
 <!-- http://www.dell.com/us/en/gen/misc/policy_007_policy.htm -->
 <!ENTITY tm-attrib.dell "<para>Dell, Dell Precision, Latitude,
   Optiplex, PowerEdge 是 Dell
   Computer Corporation 的商标或注册商标。</para>">
 <!ENTITY dell "<trademark>Dell</trademark>">
 <!ENTITY poweredge "<trademark>PowerEdge</trademark>">
 
 <!-- http://www.epson.com/cgi-bin/Store/AboutTrademarkInfo.jsp -->
 <!ENTITY tm-attrib.epson "<para>EPSON, EPSON Perfection 是
   Epson Corporation的注册商标。</para>">
 <!ENTITY epson "<trademark class='registered'>EPSON</trademark>">
 <!ENTITY epson.perfection "<trademark class='registered'>EPSON
   Perfection</trademark>">
 
 <!ENTITY tm-attrib.freebsd "<para>FreeBSD 是 FreeBSD基金会的注册商标</para>">
 
 <!-- http://www.heidelberg.com/hq/eng/small_print/trademarks.asp -->
 <!ENTITY tm-attrib.heidelberger "<para>Heidelberg、 Helvetica、
   Palatino 以及 Times Roman 是 Heidelberger Druckmaschinen AG
   在美国和其他国家的商标或注册商标。</para>">
 
 <!ENTITY tm-attrib.ibm "<para>IBM、 AIX、 EtherJet、 Netfinity、 OS/2、
   PowerPC、 PS/2、 S/390 以及 ThinkPad
   是国际商用机器公司在美国和其他国家的注册商标或商标。</para>">
 <!ENTITY aix "<trademark class='registered'>AIX</trademark>">
 <!ENTITY etherjet "<trademark>EtherJet</trademark>">
 <!ENTITY netfinity "<trademark class='registered'>Netfinity</trademark>">
 <!ENTITY os2 "<trademark class='registered'>OS/2</trademark>">
 <!ENTITY powerpc "<trademark class='registered'>PowerPC</trademark>">
 <!ENTITY ps2 "<trademark class='registered'>PS/2</trademark>">
 <!ENTITY s390 "<trademark class='registered'>S/390</trademark>">
 <!ENTITY thinkpad "<trademark class='registered'>ThinkPad</trademark>">
 
 <!ENTITY tm-attrib.ieee "<para>IEEE, POSIX, 和 802 是 Institute of Electrical and Electronics Engineers,
   Inc. 在美国的注册商标。</para>">
 <!ENTITY posix "<trademark class='registered'>POSIX</trademark>">
 
 <!ENTITY tm-attrib.intel "<para>Intel, Celeron, EtherExpress, i386,
   i486, Itanium, Pentium, 和 Xeon 是 Intel Corporation
   及其分支机构在美国和其他国家的商标或注册商标。</para>">
 <!ENTITY celeron "<trademark class='registered'>Celeron</trademark>">
 <!ENTITY etherexpress "<trademark>EtherExpress</trademark>">
 <!ENTITY i386 "<trademark>i386</trademark>">
 <!ENTITY i486 "<trademark>i486</trademark>">
 <!ENTITY intel "<trademark class='registered'>Intel</trademark>">
 <!ENTITY itanium "<trademark class='registered'>Itanium</trademark>">
 <!ENTITY pentium "<trademark class='registered'>Pentium</trademark>">
 <!ENTITY xeon "<trademark>Xeon</trademark>">
 
 <!-- http://www.quicken.com/support/trademark/ -->
 <!ENTITY tm-attrib.intuit "<para>Intuit 和 Quicken 是 Intuit Inc., 或其子公司在美国和其他国家的商标或注册商标。</para>">
 
 
 
 <!ENTITY tm-attrib.iomega "<para>Iomega, Zip, 和 Jaz 是 Iomega Corporation
   在美国和/或其他国家的商标或注册商标。</para>">
 <!ENTITY iomegazip "<trademark class='registered'>Zip</trademark>">
 <!ENTITY jaz "<trademark class='registered'>Jaz</trademark>">
 
 <!ENTITY tm-attrib.lantronix "<para>Lantronix 和 EasyIO 是 Lantronix Corporation 的商标。</para>">
 <!ENTITY easyio "<trademark>EasyIO</trademark>">
 
 <!-- http://www.linuxmark.org/ -->
 <!ENTITY tm-attrib.linux "<para>Linux 是 Linus Torvalds 的注册商标。</para>">
 
 <!ENTITY linux "<trademark class='registered'>Linux</trademark>">
 
 <!-- http://www.lsilogic.com/trademrk.html -->
 <!ENTITY tm-attrib.lsilogic "<para>LSI Logic, AcceleRAID, eXtremeRAID,
   MegaRAID 和 Mylex 是 LSI
   Logic Corp 的商标或注册商标。</para>">
 <!ENTITY acceleraid "<trademark>AcceleRAID</trademark>">
 <!ENTITY megaraid "<trademark class='registered'>MegaRAID</trademark>">
 <!ENTITY mylex "<trademark class='registered'>Mylex</trademark>">
 
 <!ENTITY tm-attrib.macromedia "<para>Macromedia, Flash, 以及 Shockwave
   Macromedia, Inc. 在美国和/或其他国家的商标或注册商标。</para>">
 <!ENTITY flash "<trademark>Flash</trademark>">
 <!ENTITY macromedia "<trademark class='registered'>Macromedia</trademark>">
 <!ENTITY shockwave "<trademark class='registered'>Shockwave</trademark>">
 
 <!ENTITY tm-attrib.microsoft "<para>Microsoft, IntelliMouse, MS-DOS,
   Outlook, Windows, Windows Media, 和 Windows NT 是 Microsoft Corporation
   在美国和/或其他国家的商标或注册商标。</para>">
 <!ENTITY intellimouse "<trademark class='registered'>IntelliMouse</trademark>">
 <!ENTITY microsoft "<trademark class='registered'>Microsoft</trademark>">
 <!ENTITY microsoft.windows "&microsoft; &windows;">
 <!ENTITY ms-dos "<trademark class='registered'>MS-DOS</trademark>">
 <!ENTITY outlook "<trademark class='registered'>Outlook</trademark>">
 <!ENTITY windows "<trademark class='registered'>Windows</trademark>">
 <!ENTITY windows.media "<trademark class='registered'>Windows Media</trademark>">
 <!ENTITY windows2k "&windows; 2000">
 <!ENTITY windowsnt "<trademark class='registered'>Windows NT</trademark>">
 <!ENTITY windowsxp "&windows; XP">
 
 <!ENTITY tm-attrib.mips "<para>MIPS 和 R4000 是 MIPS Technologies, Inc.
   在美国以及其他国家的注册商标。</para>">
 <!ENTITY mips "<trademark class='registered'>MIPS</trademark>">
 
 <!-- http://www.mysql.com/company/trademark.html -->
 <!ENTITY tm-attrib.mysql "<para>MySQL 是
   MySQL AB 在美国、欧盟和其他国家的注册商标。</para>">
 <!ENTITY mysql "<trademark>MySQL</trademark>">
 
 <!-- http://www.m-sys.com/content/LegalTerms.asp -->
 <!ENTITY tm-attrib.m-systems "<para>M-Systems 和 DiskOnChip 是 M-Systems Flash Disk
   Pioneers, Ltd. 的商标或注册商标。</para>">
 <!ENTITY diskonchip "<trademark class='registered'>DiskOnChip</trademark>">
 
 <!-- http://www.netbsd.org/Misc/about.html, ack'd by http://www.uspto.gov/ -->
 <!ENTITY tm-attrib.netbsd "<para>NetBSD是 NetBSD Foundation的注册商标。</para>">
 
 <!ENTITY tm-attrib.netscape "<para>Netscape 以及 Netscape Navigator
   是 Netscape Communications Corporation 在美国和其他国家的注册商标。</para>">
 <!ENTITY netscape "<trademark class='registered'>Netscape</trademark>">
 <!ENTITY netscape.navigator "<trademark class='registered'>Netscape Navigator</trademark>">
 
 <!-- http://www.nexthop.com/legal.shtml -->
 <!ENTITY tm-attrib.nexthop "<para>GateD 和 NextHop 是 NextHop 在美国和其他国家的商标或注册商标。</para>">
 <!ENTITY gated "<trademark class='registered'>GateD</trademark>">
 
 <!-- http://www.novell.com/company/legal/trademarks/tmlist.html -->
 <!ENTITY tm-attrib.novell "<para>NetWare, NetWare Loadable Module, 和
   NLM 是 Novell, Inc. 在美国和其他国家的商标或注册商标。</para>">
 
 <!ENTITY tm-attrib.opengroup "<para>Motif, OSF/1, 和 UNIX
   是 The Open Group 在美国和其他国家的注册商标； IT DialTone 和 The Open Group
   是其商标。</para>">
 <!ENTITY tm-attrib.unix "<para>UNIX是 Open Group 
   在美国和其它国家的注册商标。</para>">
 <!ENTITY motif "<trademark class='registered'>Motif</trademark>">
 <!ENTITY unix "<trademark class='registered'>UNIX</trademark>">
 
 <!-- http://www.oracle.com/html/trademark.html -->
 <!-- http://www.oracle.com/html/3party.html -->
 <!ENTITY tm-attrib.oracle "<para>Oracle 是 Oracle Corporation 的注册商标。</para>">
 <!ENTITY oracle "<trademark class='registered'>Oracle</trademark>">
 
 <!-- http://www.powerquest.com/legal/ -->
 <!ENTITY tm-attrib.powerquest "<para>PowerQuest 和 PartitionMagic 是
   PowerQuest Corporation 在美国和/或其他国家的注册商标。</para>">
 <!ENTITY partitionmagic "<trademark class='registered'>PartitionMagic</trademark>">
 
 <!-- http://www.qualcomm.com/main/legal.html -->
 <!ENTITY tm-attrib.qualcomm "<para>QUALCOMM 和 Eudora 是 QUALCOMM Incorporated 的注册商标。</para>">
 <!ENTITY eudora "<trademark class='registered'>Eudora</trademark>">
 
 <!-- http://www.realnetworks.com/company/logos/policy.html -->
 <!ENTITY tm-attrib.realnetworks "<para>RealNetworks, RealPlayer, 和
   RealAudio 是 RealNetworks, Inc. 的注册商标。</para>">
 
 <!-- Note: RedHat doesn't use (r)/(tm) for their own trademarks -->
 <!-- http://www.redhat.com/legal/legal_statement.html -->
 <!ENTITY tm-attrib.redhat "<para>Red Hat, RPM, 是 Red Hat, Inc.
   在美国和其他国家的注册商标。</para>">
 
 
 <!ENTITY tm-attrib.sap "<para>SAP, R/3, 和 mySAP 是 SAP AG
   在德国以及许多其他国家的商标或注册商标。</para>">
 <!ENTITY r3 "<trademark class='registered'>R/3</trademark>">
 <!ENTITY sap "<trademark class='registered'>SAP</trademark>">
 <!ENTITY sap.r3 "&sap; &r3;">
 
 <!ENTITY tm-attrib.sgi "<para>Silicon Graphics, SGI, 和 OpenGL 是 Silicon Graphics, Inc.
   在美国和/或其他国家的注册商标。</para>">
 <!ENTITY opengl "<trademark class='registered'>OpenGL</trademark>">
 
 <!ENTITY tm-attrib.sparc "<para>Sparc, Sparc64, SPARCEngine, 以及
   UltraSPARC 是 SPARC International, Inc 在美国和其他国家的商标。
   包含 SPARC 商标的产品基于 Sun Microsystems, Inc. 开发的架构。</para>">
 <!ENTITY sparc "<trademark class='registered'>Sparc</trademark>">
 <!ENTITY sparc64 "<trademark class='registered'>Sparc64</trademark>">
 <!ENTITY sparcengine "<trademark class='registered'>SPARCEngine</trademark>">
 <!ENTITY ultrasparc "<trademark class='registered'>UltraSPARC</trademark>">
 
 <!-- http://www.sun.com/suntrademarks/ -->
 
 <!ENTITY tm-attrib.sun "<para>Sun、 Sun Microsystems、 Java、 Java
   Virtual Machine、 JavaServer Pages、 JDK、 JRE、 JSP、 JVM、 Netra、
   Solaris、 StarOffice、 Sun Blade、 Sun Enterprise、 Sun Fire、 SunOS 以及
   Ultra 是 Sun Microsystems,
   Inc. 在美国和其他国家的商标或注册商标。</para>">
 <!ENTITY java "<trademark>Java</trademark>">
 <!ENTITY java.virtual.machine "<trademark>Java Virtual Machine</trademark>">
 <!ENTITY javaserver.pages "<trademark>JavaServer Pages</trademark>">
 <!ENTITY jdk "<trademark>JDK</trademark>">
 <!ENTITY jre "<trademark>JRE</trademark>">
 <!ENTITY jsp "<trademark>JSP</trademark>">
 <!ENTITY jvm "<trademark>JVM</trademark>">
 <!ENTITY netra "<trademark>Netra</trademark>">
 <!ENTITY solaris "<trademark>Solaris</trademark>">
 <!ENTITY staroffice "<trademark>StarOffice</trademark>">
 <!ENTITY sun "<trademark>Sun</trademark>">
 <!ENTITY sun.blade "<trademark>Sun Blade</trademark>">
 <!ENTITY sun.enterprise "<trademark>Sun Enterprise</trademark>">
 <!ENTITY sun.fire "<trademark>Sun Fire</trademark>">
 <!ENTITY sun.ultra "Sun <trademark>Ultra</trademark>">
 <!ENTITY sunos "<trademark>SunOS</trademark>">
 
 <!-- http://www.symantec.com/legal/legal_note.html -->
 <!ENTITY tm-attrib.symantec "<para>Symantec 和 Ghost 是
   Symantec Corporation 在美国和其他国家的注册商标。</para>">
 
 <!-- http://www.mathworks.com/company/trademarks.shtml -->
 <!ENTITY tm-attrib.themathworks "<para>MATLAB 是
   The MathWorks, Inc. 的注册商标。</para>">
 <!ENTITY matlab "<trademark class='registered'>MATLAB</trademark>">
 
 <!ENTITY tm-attrib.thomson "<para>SpeedTouch 是 Thomson 的商标。</para>">
 <!ENTITY speedtouch "<trademark>SpeedTouch</trademark>">
 
 <!-- http://www.transmeta.com/about/legal.html -->
 <!ENTITY tm-attrib.transmeta "<para>Transmeta 和 Crusoe 是 Transmeta Corporation
   在美国和/或其他国家的商标或注册商标。</para>">
 <!ENTITY crusoe "<trademark>Crusoe</trademark>">
 <!ENTITY transmeta "<trademark>Transmeta</trademark>">
 
 <!-- http://www.usr.com/adbuilder/ab-usage-guidelines.asp -->
 <!-- http://www.usr.com/adbuilder/ab-tips-trade-ref.asp -->
 <!ENTITY tm-attrib.usrobotics "<para>U.S. Robotics 和 Sportster 是 U.S. Robotics Corporation 的注册商标。</para>">
 <!ENTITY sportster "<trademark class='registered'>Sportster</trademark>">
 <!ENTITY usrobotics "<trademark class='registered'>U.S. Robotics</trademark>">
 
 <!-- http://www.maplesoft.com/trademarks.shtml -->
 <!ENTITY tm-attrib.waterloomaple "<para>Waterloo Maple 和 Maple 是 Waterloo Maple Inc 的商标或注册商标</para>">
 <!ENTITY maple "<trademark>Maple</trademark>">
 
 <!-- http://www.wolfram.com/company/terms.html -->
 <!ENTITY tm-attrib.wolframresearch "<para>Mathematica 是 Wolfram Research, Inc 的注册商标。</para>">
 <!ENTITY mathematica "<trademark class='registered'>Mathematica</trademark>">
 
 <!-- http://www.vmware.com/legal.html -->
 <!ENTITY tm-attrib.vmware "<para>VMware 是 VMware,
   Inc. 的商标</para>">
 
 <!ENTITY tm-attrib.xfree86 "<para>XFree86 是 The
   XFree86 Project, Inc 的商标。.</para>">
 <!ENTITY xfree86 "<trademark>XFree86</trademark>">
 
 <!-- http://www.xiph.org/ -->
 <!ENTITY tm-attrib.xiph "<para>Ogg Vorbis 和 Xiph.Org 是 Xiph.Org 的商标。</para>">
 
 <!ENTITY tm-attrib.general "<para>许多制造商和经销商使用一些称为商标的图案或文字设计来彰显自己的产品。
   本文档中出现的， 为 FreeBSD Project 所知晓的商标，后面将以 '&trade;' 或 '&reg;' 符号来标注。</para>">