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Ä¶¤å¡G	XML Base¡]http://chinese-school.netfirms.com/XMLBase-TC.html¡^
ì¤å¡G	XML Base¡]http://www.w3.org/TR/2001/REC-xmlbase-20010627/¡^
»¡©ú¡G	¥»¤åÀÉ¬O®ÚÕu2001¦~6¤ë27¤éµo¥¬ªºXML Base±À¯ò¼Ðã©M2003¦~1¤ë23¤é§ó·sªº°É»~ªí¶i¦æÂ½Ä¶ªº¡C¥Î×qª©¥»¥N´Àì¤åªº¦a¤è¤w¦bÄ¶¤å¤¤ª`¼Ð¥X¡C ¥»¤åÀÉªº^¤åª©¬O°ß¤@ªº¥¿¦¡ª©¥»¡C ÁöµMÄ¶ªÌ¤w¬°Â½Ä¶¤§ºëÚÌ¥I¥X§V¤O¡A¤£¨¬¤§³B¤´Ãø§K¦s¦b¡CÅwªï¨Ó«H«ü¥¿¡C Ä¶ª`ªº¤º®e¬O«D¥¿¦¡ªº¡A¶È¥NªíÄ¶ªÌÓ¤HÆ[ÂI¡C µÛ§@ÅvÁn©ú¦ì¤_¡G http://www.w3.org/Consortium/Legal/copyright-documents.html Copyright © 1998 W3C^® (MIT, INRIA, Keio ), All Rights Reserved. W3C liability, trademark, document use and software licensing rules apply.
Ä¶ªÌ¡G	®}²[¡]Collin Hsu¡^Traditional Chinese Code Conversion: Samuel Chong
®É¶¡¡G	º¦¸µo¥¬¤_2003¦~7¤ë2¤é/³Ì¦Z§ó·s¤_2003¦~7¤ë20¤é
PÁÂ ¯S§O·PÁÂJonathan Marsh©MDanny Ayers¦b¥»¤åÀÉªºÂ½Ä¶¹Lµ{¤¤µ¹¤©ªº¤ä«ù©MÀ°§U!

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http://www.w3.org/TR/xmlbase/

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Jonathan Marsh, Microsoft mailto:jmarsh@microsoft.com

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¥»³WSªº^¤åª©¬O°ß¤@ªº³WS©Êª©¥»¡]normative version¡^¡C¦pªG»Ýn¨ä¥L»y¨¥ªºª©¥»¡A½Ð³X°Ýhttp://www.w3.org/2001/06/xmlbase-translations¡C

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W3C±À¯ò¼Ðã¤Î¨ä¥L§Þ³N¤åÀÉ¡]technical document¡^ªº³Ì·s¦Cªí¥i±q¥H¤UÊI§}Àò±o¡Ghttp://www.w3.org/TR¡C

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1. ¤¶²Ð

2. ³N»y

3. xml:baseÄÝ©Ê

3.1 URI¤Þ¥Îªº½s½X©MÂà¸q¡@

4. ¬Û¹ïURIªº¸ÑªR

4.1. ÉORFC 2396ªºÃö¨t

4.2. °òãURI«H®§ªº²É«×

4.3. URIÉO°òãURIªº¤Ç°t

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ªþ¿ý

A: °Ñ¦Ò¸ê®Æ

B: °Ñ¦Ò¸ê®Æ¡]«D³WS©Êªº¡^

C: ¹ï¨ä¥L¼Ðãªº¼vÅT¡]«D³WS©Êªº¡^

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1. ¤¶²Ð¡]Introduction¡^

XMLÃì±µ»y¨¥[XLink]©w¸q¤F¥Î¤_´yz¸ê·½¤§¶¡ªºÃì±µ¡]links¡^ªºXMLÌÛ³y¤¸¯À¡]constructs¡^¡C¹ïXLinkªºn¨D¤§¤@¬O¡G¥¦À³¥H¤@Ïú¤@¯ëªº¤è¦¡¡]a generic way¡^¨Ó¤ä«ùHTML [HTML 4.01]¤¤ªºÃì±µÌÛ³y¤¸¯À¡]constructs¡^¡CHTML BASE¤¸¯À¡]element¡^¬OXLink¤u§@²Õ¤w¸g¦Ò¼{¨ìªº³o¼Ë¤@ÓÌÛ³y¤¸¯À¡C³q¹L¨Ï¥ÎBASE¤¸¯À¡A¤åÀÉ§@ªÌ¥i¥HÅã¦¡¦a¬°¤åÀÉ«ü©w¤@Ó°òãURI¡]base URI¡^¡A¥H¸ÑªR«ü¦V¥~³¡¹Ï¹³¡B¤pµ{§Ç¡]applets¡^¡Bªí³æ¡]form¡^³B²zµ{§Ç¥H¤Î¼Ë¦¡ªí¡]style sheets¡^µ¥¸ê·½ªº¬Û¹ïURIs¡C

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¬I¥ÎXML Baseªº¤èªk¬O±N¨ä¦C¤J·s³WS¡]¤ñ¦pXLink©MXML Infoset¡^ªº³WS©Ê°Ñ¦Ò¸ê®Æ¡C³o¼Ë¡A°ò¤_³o¨Ç·s³WSªºÀ³¥Î©Î³WS«K¦Û°Ê¤ä«ùXML Base¡C¦pªG¤@ÓÀ³¥Î¡A¥¦°ò¤_ªº³WS³£¨S¦³ª½±µ©Î¶¡±µ¦a³WS©Ê¤Þ¥ÎXML Base¡A«h¦b¸ÓÀ³¥Î¤¤¡Axml:baseÄÝ©Êªºª¬ºA¬OµL©w¸qªº¡C

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2. ³N»y¡]Terminology¡^

[©w¸q¡G¦b¥»³WS¤¤¡Amust¡Bmust not¡Brequired¡Bshall¡Bshall not¡Bshould¡Bshould not¡Brecommended¡Bmay¥H¤Îoptionalµ¥ÃöÁä¦r²Å¦X[IETF RFC 2119]¤¤ªº©w¸q¡C]

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¦b¥»³WS¤¤¡A³N»ybase URI¡]°òãURI¡^©Mrelative URI¡]¬Û¹ïURI¡^²Å¦X [IETF RFC 2396]¤¤ªº©w¸q¡C

3. xml:baseÄÝ©Ê¡]xml:base Attribute¡^

¹ï¤_°£¤åÀÉ¹êÊ^©M¥~³¡¹êÊ^¥H¥~ªº¸ê·½[Ä¶ª`//¤]´N¬O¤¸¯À]¡A¥i¥H³q¹L¦bXML¤åÀÉ¤¤´O¤Jxml:baseÄÝ©Ê¬°¨ä«ü©w°òãURI¡C¸ÓÄÝ©ÊªºÈ¦b¸g¹L½s½X©MÂà¸q³B²z¡]°Ñ¨£3.1¸`¡^¤§¦Z¡A¥i³Q¬Ý§@¬O¤@ÓURI¤Þ¥Î¡]URI Reference¡^¡]Ãö¤_URI¤Þ¥Îªº©w¸q¡A½Ð°Ñ¨£RFC 2396[IETF RFC 2396]¡^¡C

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<?xml version="1.0"?>

<doc xml:base="http://example.org/today/"

      xmlns:xlink="http://www.w3.org/1999/xlink">

  <head>

    <title>Virtual Library</title>

  </head>

  <body>

    <paragraph>See <link xlink:type="simple" xlink:href="new.xml">what's

new</link>!</paragraph>

    <paragraph>Check out the hot picks of the day!</paragraph>

    <olist xml:base="/hotpicks/">

      <item>

&n

bsp; <link xlink:type="simple" xlink:href="pick1.xml">Hot Pick #1</link>

      </item>

      <item>

        <link xlink:type="simple" xlink:href="pick2.xml">Hot Pick #2</link>

      </item>

      <item>

        <link xlink:type="simple" xlink:href="pick3.xml">Hot Pick #3</link>

      </item>

    </olist>

  </body>

</doc>

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l "what's new"³Q¸ÑªR¬°URI "http://example.org/today/new.xml"

l "Hot Pick #1"³Q¸ÑªR¬°URI "http://example.org/hotpicks/pick1.xml"

l "Hot Pick #2"³Q¸ÑªR¬°URI "http://example.org/hotpicks/pick2.xml"

l "Hot Pick #3"³Q¸ÑªR¬°URI "http://example.org/hotpicks/pick3.xml"

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3.1. URI¤Þ¥Îªº½s½X©MÂà¸q¡]URI Reference Encoding and Escaping¡^

xml:baseÄÝ©ÊÈªº¦Xªk¦r²Å¶°©MXML¤@¼Ë¡A³£¬O[Unicode]¡C¦ý¬O¡A¦³¨ÇUnicode¦r²Å¤£¤¹³\¥X²{¦bURI¤Þ¥Î¡]URI Reference¡^¤¤¡C¦]¦¹¡A³B²z¾¹¥²¶·¹ï³o¨Ç¦r²Å¶i¦æ½s½X©MÂà¸q³B²z¡A¥H±o¨ì¤@Ó¦XªkªºURI¤Þ¥Î¡C

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1. ±N¨CÓ«Dªk¦r²ÅÂà´«¬°UTF-8®æ¦¡[IETF RFC 2279]¡]UTF-8¥Î¤@Ó©Î¦hÓ¦r¸`¨Óªí¥Üì¨Óªº¦r²Å¡^¡C

2. ¹ï¤_¨CÓÉO«Dªk¦r²Å¬ÛÀ³ªº¦r¸`[Ä¶ª`//¨CÓ«Dªk¦r²ÅÂà´«¬°UTF-8®æ¦¡¦Z¡A¦³¤@Ó©Î¦hÓÉO¥¦¬ÛÀ³ªº¦r¸`]¡A«ö·ÓURIÂà¸q¾Þ§@Éó¨î¹ï¥¦¶i¦æÂà¸q¡]¤]´N¬O»¡¡AÂà´«¬°%HH§Î¦¡¡A³o¨½HH¬O¦r¸`Èªº¤Q¤»¶i¨î°Oªk¡^¡C

3. ¥Î³Ì²×ªº¦r²Å§Ç¦C¨Ó´À´«ì¨Óªº¦r²Å¡C

4. ¬Û¹ïURIªº¸ÑªR¡]Resolving Relative URIs¡^

4.1. ÉORFC 2396ªºÃö¨t¡]Relation to RFC 2396¡^

RFC 2396 [IETF RFC 2396]³W©w¤F´O¤J¦b¤åÀÉ¤¤ªº°òãURI«H®§¡]base URI information¡^[Ä¶ª`//ª`·N°òãURI«H®§ÉO°òãURIªº°Ï§O¡C°òãURI«H®§«üªº¬Oxml:baseÄÝ©Ê´£¨Ñªº«H®§¡A¦Ó°òãURI¬O®ÚÕuRFC 2396¤¤ªº³W«hpºâ±o¨ìªºURI¡C°òãURI¤@©w¬Oµ´¹ïURI¡A¦Óxml:baseÄÝ©ÊªºÈ«h¥i¯à¬O¬Û¹ïURI¤]¥i¯à¬Oµ´¹ïURI¡C]¡CÚÌ©w°òãURIªº³W«h·§¬A¦p¤U¡]¥HÉ¬¥ý¯Å°ª§C±Æ§Ç¡^¡G

1. °òãURI¦b¤åÀÉ¤º®e¤¤³Q«ü©w¡C

2. °òãURI¬O«Ê¸Ë¹êÊ^¡]®ø®§¡A¤åÀÉ¡^ªº°òãURI¡C

3. °òãURI¬OÀò¨ú·í«e¹êÊ^ªºURI¡C

4. °òãURI¥Ñ¨ãÊ^ªºÀ³¥Î³õ¦X©w¸q¡C

ª`·N:

¦b¤Wz²Ä¤GÂI©M²Ä¤TÂI¤¤¡A³N»y¡§¹êÊ^¡]entity¡^¡¨¯S«üRFC 2396¤¤©Ò¨Ï¥Îªº¹êÊ^¡F¦Ó¦b¥»¤åÀÉªº¨ä§E³¡¤À¡A³N»y¡§¹êÊ^¡¨§¡«üXML¤¤ªº¹êÊ^¡C

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4.2. °òãURI«H®§ªº²É«×¡]Granularity of base URI information¡^

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2. ¸Ó¤¸¯Àªº¦b¤åÀÉ¹êÊ^[Ä¶ª`//¡§¹êÊ^¡¨¤G¦r¬O°Ñ·Ó2002¦~10¤ë21¤éµo¥¬ªº°É»~²K¥[¤W¥hªº¡C] ¡]©Î¥~³¡¹êÊ^¡^¤º³¡ªº¤÷¤¸¯Àªº°òãURI¡C¦pªG¤£¦s¦b³o¼Ëªº¤÷¤¸¯Àªº¸Ü¡A«h¬O

3. ¥]§t¸Ó¤¸¯Àªº¤åÀÉ¹êÊ^©Î¥~³¡¹êÊ^ªº°òãURI¡C

4.3. URIÉO°òãURIªº¤Ç°t¡]Matching URIs with base URIs¡^

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1. ¹ï¤_¤å¥»¤º®e¡]text content¡^¤¤ªºURI¤Þ¥Î¡A¨ä°òãURI¬O¥]§t¸Ó¤å¥»ªº¤¸¯Àªº°òãURI¡C

2. ¹ï¤_xml:baseÄÝ©Ê¤¤ªºURI¤Þ¥Î¡A¨ä°òãURI¬O¾Ö¦³¸Óxml:baseÄÝ©Êªº¤¸¯À¦b¤åÀÉ¹êÊ^¡]©Î¥~³¡¹êÊ^¡^¤º³¡ªº¤÷¤¸¯Àªº°òãURI¡C¦pªG¤£¦s¦b³o¼Ëªº¤÷¤¸¯À¡A«h¨ä°òãURI¬O¥]§t¸Ó¤¸¯Àªº¤åÀÉ¹êÊ^¡]©Î¥~³¡¹êÊ^¡^ªº°òãURI¡C

3. ¹ï¤_¨ä¥LÄÝ©Ê¤¤ªºURI¤Þ¥Î¡]¥]¬A¯Ê¬ÙªºÄÝ©ÊÈ¡^¡A¨ä°òãURI¬O¾Ö¦³¸ÓÄÝ©Êªº¤¸¯Àªº°òãURI¡C

4. ¹ï¤_PI¤¤ªºURI¤Þ¥Î¡A¨ä°òãURI¬O¸ÓPI¦b¤åÀÉ¹êÊ^¡]©Î¥~³¡¹êÊ^¡^¤º³¡ªº¤÷¤¸¯Àªº°òãURI¡C¦pªG¤£¦s¦b³o¼Ëªº¤÷¤¸¯À¡A«h¨ä°òãURI¬O¥]§t¸ÓPIªº¤åÀÉ¹êÊ^¡]©Î¥~³¡¹êÊ^¡^ªº°òãURI¡C

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ª`·N¡G[Ä¶ª`//¤U±³o¬q¤å¦rªº^¤åì¤åªö¥Îªº¬O2003¦~1¤ë23¤éµo¥¬ªº×¥¿ª©¥»]

¦pªGxml:baseÄÝ©ÊªºÈ¨S¦³¦bXML¤åÀÉ¹êÊ^¤¤³Qª½±µµ¹¥X¡A¦Ó¬O³q¹L¯Ê¬ÙÄÝ©Êµ¹¥Xªº¸Ü¡A«h¥i¯à·|¾ÉP¤@¨Ç·N¥~ªºµ²ªG¡C¤ñ¦p¡A¨º¨Ç°ò¤_µLÅçµýªºXML³B²z¾¹¡]non-validating XML processor¡^ªº³n¥ó¥i¯à¤£·|Åª¨ú¥~³¡¹êÊ^¤¤ªº¯Ê¬ÙÄÝ©ÊÁn©ú¡C³q¹L¥~³¡Éó¨î¡]¤ñ¦pXML Schema¡^¹ê²{ÄÝ©Êªº¯Ê¬Ù¤]¥i¯à·|¾ÉP¤@¨Ç·N¥~ªºµ²ªG¡F§Y¨ÏÀ³¥Î¨Ï¥Îªº¬O¤@Ó¦³Åçµýªº³B²z¾¹¡]validating processor¡^¡A¦b«H®§¶°¡]infoset¡^ªº³Ð«Ø¤§¦Z¡A¼W¥[¯Ê¬ÙÄÝ©Ê·|¾ÉPxml:baseÄÝ©ÊÉO«H®§¶°¤¤ªºÄÝ©Ê[base URI]¤£¤@P¡C¥Ñ¤_³o¨Çì¦]¡Axml:baseÄÝ©ÊªºÈÀ³¸Óª½±µ¦bXML¤åÀÉ¹ê¨Ò¤¤µ¹¥X¡A©ÎªÌ³q¹L¦bDTD¤º³¡¤l¶°¤¤Án©úªº¯Ê¬ÙÄÝ©Ê¨Óµ¹¥X¡C

¦pªG¤@ÓÀ³¥Î®ÚÕu¥»³WS¨Ópºâ°òãURI¡A«h¥¦²Å¦XXML Base¡C

A. °Ñ¦Ò¸ê®Æ

IETF RFC 2119

RFC 2119: Key words for use in RFCs to Indicate Requirement Levels. Internet Engineering Task Force, 1997. (See http://www.ietf.org/rfc/rfc2119.txt)

IETF RFC 2279

RFC 2279: UTF-8, a transformation format of ISO 10646. Internet Engineering Task Force, 1998.

(See http://www.ietf.org/rfc/rfc2279.txt)

IETF RFC 2396 [Ä¶ª`//±À¯ò¾\Åª]

RFC 2396: Uniform Resource Identifiers. Internet Engineering Task Force, 1995.

(See http://www.ietf.org/rfc/rfc2396.txt)

IETF RFC 2732

RFC 2732: Format for Literal IPv6 Addresses in URL's. Internet Engineering Task Force, 1999.

(See http://www.ietf.org/rfc/rfc2732.txt)

Unicode

The Unicode Standard. The Unicode Consortium.

(See http://www.unicode.org/unicode/standard/standard.html)

XML

Tim Bray, Jean Paoli, C.M. Sperberg-McQueen, and Eve Maler, editors. Extensible Markup Language (XML) 1.0 (Second Edition). World Wide Web Consortium, 2000.

(See http://www.w3.org/TR/2000/REC-xml-20001006)

XML Names

Tim Bray, Dave Hollander, and Andrew Layman, editors. Namespaces in XML. Textuality, Hewlett-Packard, and Microsoft. World Wide Web Consortium, 1999.

(See http://www.w3.org/TR/1999/REC-xml-names-19990114/)

HTML 4.01

Dave Raggett, Arnaud Le Hors, Ian Jacobs, editors. HTML 4.01 Specification. World Wide Web Consortium, 1999. (See http://www.w3.org/TR/1999/REC-html401-19991224/.)

XLink

Steve DeRose, Eve Maler, David Orchard, and Ben Trafford, editors. XML Linking Language (XLink). World Wide Web Consortium, 2000.

(See http://www.w3.org/TR/2001/REC-xlink-20010627/.)

XML Datatypes

Paul V. Biron, Ashok Malhotra, editors. XML Schema Part 2: Datatypes. World Wide Web Consortium Working Draft. (See http://www.w3.org/TR/2001/REC-xmlschema-2-20010502/.)

XHTML

Steven Pemberton, et al. XHTML(TM) 1.0: The Extensible HyperText Markup Language. World Wide Web Consortium, 2000. (See http://www.w3.org/TR/2000/REC-xhtml1-20000126/.)

XML Infoset

John Cowan and Richard Tobin, editors. XML Information Set. World Wide Web Consortium, 1999. (See http://www.w3.org/TR/2001/CR-xml-infoset-20010514/)

XPath

James Clark and Steven DeRose, editors. XML Path Language World Wide Web Consortium, 1999. (See http://www.w3.org/TR/1999/REC-xpath-19991116.)

XSLT

James Clark, editor. XSL Transformations. World Wide Web Consortium, 1999.

(See http://www.w3.org/TR/1999/REC-xslt-19991116.)

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