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1<?xml version="1.0" encoding="utf-8"?>
2<?xml-stylesheet type='text/xsl' href='rfc2629.xslt' ?>
3
4<?rfc header="Documentation"?>
5<?rfc private="RFC2629 through XSLT"?>
6<?rfc toc="yes"?>
7<!-- <?rfc topblock="no"?>  -->
8<?rfc strict="yes"?>
9<?rfc symrefs="yes"?>
10<?rfc sortrefs="yes"?>
11<?rfc-ext allow-markup-in-artwork="yes" ?>
12<?rfc-ext include-references-in-index="yes" ?>
13
14<rfc xmlns:x="http://purl.org/net/xml2rfc/ext">
15        <front>
16        <title abbrev="RFC2629 through XSLT">Transforming RFC2629-formatted XML through XSLT</title>
17
18        <author initials="J. F." surname="Reschke" fullname="Julian F. Reschke">
19                <organization abbrev="greenbytes">greenbytes GmbH</organization>
20        <address>
21                <postal>
22                <street>Hafenweg 16</street>
23            <city>Muenster</city><region>NW</region><code>48155</code>
24                <country>Germany</country>
25                </postal>
26                  <phone>+49 251 2807760</phone>       
27                  <email>julian.reschke@greenbytes.de</email>   
28                  <uri>http://greenbytes.de/tech/webdav/</uri> 
29                </address>
30        </author>
31     
32    <date month="December" year="2008"/>
33
34    <keyword>RFC2629</keyword>
35    <keyword>xml2rfc</keyword>
36    <keyword>XSLT</keyword>
37    <keyword>hCard</keyword>
38    <keyword>XSL-FO</keyword>
39    <keyword>PDF</keyword>
40    <keyword>GRDDL</keyword>
41    <keyword>Dublin Core</keyword>
42        </front>
43
44        <middle>
45
46<section title="Introduction">
47<t>
48  This document describes a set of XSLT transformations that can be used to
49  transform RFC2629-compliant XML (see <xref target="RFC2629"/>) to various
50  output formats, such as HTML and PDF. The main topics are 
51  <list style="symbols">
52    <t>compliance to the xml2rfc XML element set (<xref target="supported.elements"/>),</t>
53    <t>support for xml2rfc processing instructions (<xref target="processing.instructions"/>),</t>
54    <t>the names of anchor elements generated in HTML and PDF output (<xref target="anchors"/>),</t>
55    <t>various XSLT engines that can be used (<xref target="xslt.engines"/>),</t>
56    <t>outputting HTML (<xref target="output.html"/>) and XHTML (<xref target="output.xhtml"/>),</t>
57    <t>outputting CHM (Compiled Microsoft Help, <xref target="output.chm"/>),</t>
58    <t>outputting PDF (<xref target="output.pdf"/>),</t>
59    <t>extensions to the xml2rfc vocabulary (<xref target="extensions"/>).</t>
60    <t>various utilities (<xref target="utilities"/>).</t>
61  </list>
62</t>
63<t>
64  The full distribution is available at <eref target="http://greenbytes.de/tech/webdav/rfc2629xslt.zip"/>.
65</t>
66</section>
67
68<section title="Supported RFC2629 elements" anchor="supported.elements">
69<t>
70  <spanx style="verb">rfc2629.xslt</spanx> supports both all RFC2629 grammar elements and the extensions
71  implemented in xml2rfc 1.21.
72</t>
73<section title="Extension elements">
74<t>
75  <spanx style="verb">rfc2629.xslt</spanx> supports two kind of extension
76  elements, using different XML namespaces.
77</t>
78<t>
79  The first set contains (hopefully) generally useful extensions, see
80  <xref target="extensions"/>.
81</t>
82<t>
83  The second set is used for change and issue tracking and currently is not
84  documented here. Please email the author in case
85  you're interested in using these extensions.
86</t>
87</section>
88</section>
89
90<section title="Processing Instructions" anchor="processing.instructions">
91<t>
92  All PIs can be set as XSLT parameter as well, overriding any value that
93  is found in the source file to be transformed.
94</t>
95<figure>
96<preamble>Using processing instructions:</preamble>
97<artwork type="example">
98&lt;?rfc toc="yes"?>
99&lt;?rfc-ext support-rfc2731="no"?>
100</artwork>
101</figure>
102<figure>
103<preamble>Using XSLT parameters (Saxon):</preamble>
104<artwork type="example">
105java -cp saxon.jar com.icl.saxon.StyleSheet source.xml rfc2629.xslt \
106  xml2rfc-toc=yes xml2rfc-ext-support-rfc2731=no > result.html
107</artwork>
108</figure>
109<figure>
110<preamble>Using XSLT parameters (xsltproc):</preamble>
111<artwork type="example">
112xsltproc --param xml2rfc-toc '"yes"' \
113   --param xml2rfc-ext-support-rfc2731 '"no"' \
114   rfc2629.xslt source.xml > result.html
115</artwork>
116<postamble>(note the required quoting of string parameters)<iref item="xsltproc" subitem="passing parameters"/></postamble>
117</figure>
118
119<section title="Supported xml2rfc-compatible PIs">
120<texttable>
121  <ttcol>PI target</ttcol>
122  <ttcol>PI pseudo-attribute</ttcol>
123  <ttcol>XSLT parameter name</ttcol>
124  <ttcol>default</ttcol>
125  <ttcol>comment</ttcol>
126
127  <c>rfc</c>
128  <c>background<iref item="background PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="background"/></c>
129  <c>xml2rfc-background<iref item="xml2rfc-background parameter"/> <iref item="Parameters" subitem="xml2rfc-background"/></c>
130  <c>(not set)</c>
131  <c/>
132 
133  <c>rfc</c>
134  <c>compact<iref item="compact PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="compact"/></c>
135  <c>xml2rfc-compact<iref item="xml2rfc-editing parameter"/> <iref item="Parameters" subitem="xml2rfc-compact"/></c>
136  <c>"no"</c>
137  <c>only applies to HTML output method when printing</c>
138
139  <c>rfc</c>
140  <c>comments<iref item="comments PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="comments"/></c>
141  <c>xml2rfc-comments<iref item="xml2rfc-comments parameter"/> <iref item="Parameters" subitem="xml2rfc-comments"/></c>
142  <c>(not set)</c>
143  <c/>
144
145  <c>rfc</c>
146  <c>editing<iref item="editing PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="editing"/></c>
147  <c>xml2rfc-editing<iref item="xml2rfc-editing parameter"/> <iref item="Parameters" subitem="xml2rfc-editing"/></c>
148  <c>"no"</c>
149  <c/>
150 
151  <c>rfc</c>
152  <c>footer<iref item="footer PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="footer"/></c>
153  <c>xml2rfc-footer<iref item="xml2rfc-footer parameter"/> <iref item="Parameters" subitem="xml2rfc-footer"/></c>
154  <c>(not set)</c>
155  <c/>
156 
157  <c>rfc</c>
158  <c>header<iref item="header PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="header"/></c>
159  <c>xml2rfc-header<iref item="xml2rfc-header parameter"/> <iref item="Parameters" subitem="xml2rfc-header"/></c>
160  <c>(not set)</c>
161  <c/>
162
163  <c>rfc</c>
164  <c>inline<iref item="inline PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="inline"/></c>
165  <c>xml2rfc-inline<iref item="xml2rfc-inline parameter"/> <iref item="Parameters" subitem="xml2rfc-inline"/></c>
166  <c>(not set)</c>
167  <c/>
168
169  <c>rfc</c>
170  <c>iprnotified<iref item="iprnotified PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="iprnotified"/></c>
171  <c>xml2rfc-iprnotified<iref item="xml2rfc-iprnotified parameter"/> <iref item="Parameters" subitem="xml2rfc-iprnotified"/></c>
172  <c>"no"</c>
173  <c/>
174
175  <c>rfc</c>
176  <c>linkmailto<iref item="linkmailto PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="linkmailto"/></c>
177  <c>xml2rfc-linkmailto<iref item="xml2rfc-linkmailto parameter"/> <iref item="Parameters" subitem="xml2rfc-linkmailto"/></c>
178  <c>"yes"</c>
179  <c/>
180 
181  <c>rfc</c>
182  <c>private<iref item="private PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="private"/></c>
183  <c>xml2rfc-private<iref item="xml2rfc-private parameter"/> <iref item="Parameters" subitem="xml2rfc-private"/></c>
184  <c>(not set)</c>
185  <c/>
186 
187  <c>rfc</c>
188  <c>rfcedstyle<iref item="rfcedstyle PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="rfcedstyle"/></c>
189  <c>xml2rfc-rfcedstyle<iref item="xml2rfc-rfcedstyle parameter"/> <iref item="Parameters" subitem="xml2rfc-rfcedstyle"/></c>
190  <c>(not set)</c>
191  <c>(limited support)</c>
192
193  <c>rfc</c>
194  <c>sortrefs<iref item="sortrefs PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="sortrefs"/></c>
195  <c>xml2rfc-sortrefs<iref item="xml2rfc-sortrefs parameter"/> <iref item="Parameters" subitem="xml2rfc-sortrefs"/></c>
196  <c>"no"</c>
197  <c/>
198 
199  <c>rfc</c>
200  <c>symrefs<iref item="symrefs PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="symrefs"/></c>
201  <c>xml2rfc-symrefs<iref item="xml2rfc-symrefs parameter"/> <iref item="Parameters" subitem="xml2rfc-symrefs"/></c>
202  <c>"yes"</c>
203  <c>The default has changed from "no" to "yes" as of June 6, 2007 and xml2rfc 1.33pre4.</c>
204 
205  <c>rfc</c>
206  <c>toc<iref item="toc PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="toc"/></c>
207  <c>xml2rfc-toc<iref item="xml2rfc-toc parameter"/> <iref item="Parameters" subitem="xml2rfc-toc"/></c>
208  <c>"no"</c>
209  <c/>
210 
211  <c>rfc</c>
212  <c>tocdepth<iref item="tocdepth PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="tocdepth"/></c>
213  <c>xml2rfc-tocdepth<iref item="xml2rfc-tocdepth parameter"/> <iref item="Parameters" subitem="xml2rfc-tocdepth"/></c>
214  <c>99</c>
215  <c/>
216
217  <c>rfc</c>
218  <c>topblock<iref item="topblock PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="topblock"/></c>
219  <c>xml2rfc-topblock<iref item="xml2rfc-topblock parameter"/> <iref item="Parameters" subitem="xml2rfc-topblock"/></c>
220  <c>"yes"</c>
221  <c/>
222
223</texttable>
224</section>
225
226<section title="Unsupported xml2rfc-compatible PIs">
227<texttable>
228  <ttcol>PI target</ttcol>
229  <ttcol>PI pseudo-attribute</ttcol>
230  <ttcol>comment</ttcol>
231
232  <c>rfc</c>
233  <c>include<iref item="include PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="include"/></c>
234  <c>incompatible with XML/XSLT processing model</c>
235
236  <c>rfc</c>
237  <c>needLines<iref item="needLines PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="needLines"/></c>
238  <c/>
239
240  <c>rfc</c>
241  <c>slides<iref item="slides PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="slides"/></c>
242  <c/>
243
244  <c>rfc</c>
245  <c>strict<iref item="strict PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="strict"/></c>
246  <c/>
247
248  <c>rfc</c>
249  <c>subcompact<iref item="subcompact PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="subcompact"/></c>
250  <c/>
251
252  <c>rfc</c>
253  <c>tocindent<iref item="tocindent PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="tocindent"/></c>
254  <c>(defaults to "yes")</c>
255
256 <c>rfc</c>
257  <c>tocompact<iref item="tocompact PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="tocompact"/></c>
258  <c/>
259
260</texttable>
261</section>
262
263<section title="Extension PIs">
264<texttable>
265  <ttcol>PI target</ttcol>
266  <ttcol>PI pseudo-attribute</ttcol>
267  <ttcol>XSLT parameter name</ttcol>
268  <ttcol>default</ttcol>
269  <ttcol>description</ttcol>
270
271  <c>rfc-ext</c>
272  <c>allow-markup-in-artwork<iref item="allow-markup-in-artwork PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="allow-markup-in-artwork"/></c>
273  <c>xml2rfc-allow-markup-in-artwork<iref item="xml2rfc-ext-allow-markup-in-artwork parameter"/> <iref item="Parameters" subitem="xml2rfc-ext-allow-markup-in-artwork"/></c>
274  <c>"no"</c>
275  <c>Enables support for specific elements inside abstract elements (using this extension
276  makes the document incompatible to the RFC2629bis DTD; see description of
277  conversion XSLT in <xref target="clean-for-dtd"/>).</c>
278
279  <c>rfc-ext</c>
280  <c>authors-section<iref item="authors-section PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="authors-section"/></c>
281  <c>xml2rfc-ext-authors-section<iref item="xml2rfc-ext-authors-section parameter"/> <iref item="Parameters" subitem="xml2rfc-ext-authors-section"/></c>
282  <c></c>
283  <c>When "end", place the authors section at the end (just before the
284  copyright statements). This seems to be the preferred order in the
285  newest RFCs.</c>
286
287  <c>rfc-ext</c>
288  <c>include-references-in-index<iref item="include-references-in-index PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="include-references-in-index"/></c>
289  <c>xml2rfc-ext-include-references-in-index<iref item="xml2rfc-ext-include-references-in-index parameter"/> <iref item="Parameters" subitem="xml2rfc-ext-include-references-in-index"/></c>
290  <c></c>
291  <c>When set to "yes", index entries are generated for all references.</c>
292
293  <c>rfc-ext</c>
294  <c>justification<iref item="justification PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="ijustification"/></c>
295  <c>xml2rfc-ext-justification<iref item="xml2rfc-ext-justification parameter"/> <iref item="Parameters" subitem="xml2rfc-ext-justification"/></c>
296  <c>"never"</c>
297  <c>"never": never emit justified text, "always": always emit justified text, "print": only emit justified text for print media.</c>
298
299  <c>rfc-ext</c>
300  <c>parse-xml-in-artwork<iref item="parse-xml-in-artwork PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="parse-xml-in-artwork"/></c>
301  <c>xml2rfc-parse-xml-in-artwork<iref item="xml2rfc-ext-parse-xml-in-artwork parameter"/> <iref item="Parameters" subitem="xml2rfc-ext-parse-xml-in-artwork"/></c>
302  <c>"no"</c>
303  <c>May be used to enable parsing of XML content in figures (MSXML only).</c>
304
305  <c>rfc-ext</c>
306  <c>support-rfc2731<iref item="support-rfc2731 PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="support-rfc2731"/></c>
307  <c>xml2rfc-ext-support-rfc2731<iref item="xml2rfc-ext-support-rfc2731 parameter"/> <iref item="Parameters" subitem="xml2rfc-ext-support-rfc2731"/></c>
308  <c>"yes"</c>
309  <c>Decides whether the HTML transformation should generate META tags according <xref target="rfc2731.properties"/>.</c>
310
311  <c>rfc-ext</c>
312  <c>sec-no-trailing-dots<iref item="sec-no-trailing-dots PI pseudo-attribute"/><iref item="Processing Instruction pseudo attributes" subitem="sec-no-trailing-dots"/></c>
313  <c>xml2rfc-ext-sec-no-trailing-dots<iref item="xml2rfc-ext-sec-no-trailing-dots parameter"/> <iref item="Parameters" subitem="xml2rfc-ext-sec-no-trailing-dots"/></c>
314  <c></c>
315  <c>When set to "yes", add trailing dots to section numbers. This seems to be the preferred format in the
316  newest RFCs.</c>
317
318</texttable>
319</section>
320
321</section>
322
323<section title="Anchors" anchor="anchors">
324<t>
325  The transformation automatically generates anchors that are supposed to
326  be stable and predictable and that can be used to identify specific
327  parts of the document. Anchors are generated both in HTML and XSL-FO
328  content (but the latter will only be used for PDF output when the XSL-FO
329  engine supports producing PDF anchors).
330</t>
331<texttable>
332<preamble>The following anchors get auto-generated:</preamble>
333<ttcol>Anchor name</ttcol><ttcol>Description</ttcol>
334
335  <c>rfc.abstract <iref item="rfc.abstract anchor"/><iref item="Anchors" subitem="rfc.abstract"/></c><c>Abstract</c>
336  <c>rfc.authors <iref item="rfc.authors anchor"/><iref item="Anchors" subitem="rfc.authors"/></c><c>Authors section</c>
337  <c>rfc.copyright <iref item="rfc.copyright anchor"/><iref item="Anchors" subitem="rfc.copyright"/></c><c>Copyright section</c>
338  <c>rfc.copyrightnotice <iref item="rfc.copyrightnotice anchor"/><iref item="Anchors" subitem="rfc.copyrightnotice"/></c><c>Copyright notice</c>
339  <c>rfc.figure.<spanx>n</spanx> <iref item="rfc.figure.n anchor"/><iref item="Anchors" subitem="rfc.figure.n"/></c><c>Figures (titled)</c>
340  <c>rfc.figure.u.<spanx>n</spanx> <iref item="rfc.figure.u.n anchor"/><iref item="Anchors" subitem="rfc.figure.u.n"/></c><c>Figures (untitled)</c>
341  <c>rfc.index <iref item="rfc.index anchor"/><iref item="Anchors" subitem="rfc.index"/></c><c>Index</c>
342  <c>rfc.ipr <iref item="rfc.ipr anchor"/><iref item="Anchors" subitem="rfc.ipr"/></c><c>Intellectual Property</c>
343  <c>rfc.iref.<spanx>n</spanx> <iref item="rfc.iref.n anchor"/><iref item="Anchors" subitem="rfc.iref.n"/></c><c>Internal references</c>
344  <c>rfc.note.<spanx>n</spanx> <iref item="rfc.note.n anchor"/><iref item="Anchors" subitem="rfc.note.n"/></c><c>Notes (from front section)</c>
345  <c>rfc.references <iref item="rfc.references anchor"/><iref item="Anchors" subitem="rfc.references"/></c><c>References</c>
346  <c>rfc.references.<spanx>n</spanx> <iref item="rfc.references.n anchor"/><iref item="Anchors" subitem="rfc.references"/></c><c>Additional references</c>
347  <c>rfc.section.<spanx>n</spanx> <iref item="rfc.section.n anchor"/><iref item="Anchors" subitem="rfc.section.n"/></c><c>Section <spanx>n</spanx></c>
348  <c>rfc.section.<spanx>n</spanx>.p.<spanx>m</spanx> <iref item="rfc.section.n.p.m anchor"/><iref item="Anchors" subitem="rfc.section.n.p.m"/></c><c>Section <spanx>n</spanx>, paragraph <spanx>m</spanx></c>
349  <c>rfc.status <iref item="rfc.status anchor"/><iref item="Anchors" subitem="rfc.status"/></c><c>Status of memo</c>
350  <c>rfc.table.<spanx>n</spanx> <iref item="rfc.figure.n anchor"/><iref item="Anchors" subitem="rfc.figure.n"/></c><c>Tables (titled)</c>
351  <c>rfc.table.u.<spanx>n</spanx> <iref item="rfc.figure.u.n anchor"/><iref item="Anchors" subitem="rfc.figure.u.n"/></c><c>Tables (untitled)</c>
352  <c>rfc.toc <iref item="rfc.toc anchor"/><iref item="Anchors" subitem="rfc.toc"/></c><c>Table of contents</c>
353  <c>rfc.xref.<spanx>name</spanx>.<spanx>n</spanx> <iref item="rfc.xref.name.n anchor"/><iref item="Anchors" subitem="rfc.xref.name.n"/></c><c>References to reference <spanx>n</spanx> to <spanx>name</spanx></c>
354
355</texttable>
356</section>
357
358<section title="Supported XSLT engines" anchor="xslt.engines">
359<t>
360  The transformation requires a non-standard extension function (see <eref target="http://www.exslt.org/exsl/functions/node-set/exsl.node-set.html">
361  exsl:node-set</eref>)
362  which is however widely available. XSLT processors that do not support this
363  extension (or a functional equivalent) currently are not supported.
364</t>
365<section title="Standalone Engines">
366<t>
367  The following XSLT engines are believed to work well:
368  <list style="symbols">
369    <t><iref item="MSXML3"/><iref item="MSXML4"/>MSXML3 and MSXML4 (<eref target="http://msdn.microsoft.com/xml"/>; these processors
370    do not support exsl:node-set(), but have a similar proprietary extension)</t>
371    <t><iref item="Saxon"/>Saxon (<eref target="http://saxon.sourceforge.net/"/>)</t>
372    <t><iref item="Xalan"/>Xalan (<eref target="http://xml.apache.org/xalan-j/"/>)</t>
373    <t><iref item="xsltproc"/>xsltproc (libxslt) (<eref target="http://xmlsoft.org/XSLT/"/>, make sure that you
374    have a current version)</t>
375  </list>
376</t>
377</section>
378
379<section title="In-Browser Engines">
380<t>
381  The following browsers seem to work fine:
382  <list style="symbols">
383    <t><iref item="Internet Explorer 5.5"/>Internet Explorer 5.5 (Windows version, if MSXML3 is installed)</t>
384    <t><iref item="Internet Explorer 6"/>Internet Explorer 6</t>
385    <t><iref item="Internet Explorer 7"/>Internet Explorer 7</t>
386    <t anchor="firefox3"><iref item="Mozilla"/><iref item="Firefox" subitem="3.*"/>Firefox 3.0</t>
387    <t><iref item="Safari"/><iref item="Safari" subitem="3.*"/>Safari 3 (starting with version 3.0.4)</t>
388    <t><iref item="Google Chrome"/>Google Chrome (beta available)</t>
389    <t><iref item="Opera"/>Opera 10 (alpha version available)</t>
390  </list>
391</t>
392<t>
393  The following browsers are known not to work properly:
394  <list style="symbols">
395    <t anchor="firefox12"><iref item="Mozilla"/><iref item="Firefox" subitem="1.*/2.*"/>Firefox 1.*/2.*: (missing extension function - see change request at Mozilla BugZilla
396    <eref target="http://bugzilla.mozilla.org/show_bug.cgi?id=193678">193678</eref>)</t>
397    <t anchor="opera"><iref item="Opera"/>Opera 9.21: execution fails, potentially
398    to a somewhat complex XPath expression (reported to Opera as bug 245725).</t>
399    <t>Opera 9.5 and 9.6:
400    transformation appears to work, but CSS isn't getting applied (reported to Opera as bug 337388 on 2008-06-12).</t>
401    <t anchor="safari"><iref item="Safari"/>Safari 2.* supports client-side XSLT as of MacOS X 10.4,
402    but misses required extension functions. A problem
403    with stylesheets producing non-ASCII output (such as NBSP characters)
404    has been fixed as of OSX 10.4.4. Both
405    problems have been reported through Apple's bug tracking system, see
406    <eref target="http://drakken.dbc.mtview.ca.us/pipermail/xml2rfc/2005-May/002073.html"/> and
407    <eref target="http://bugs.webkit.org/show_bug.cgi?id=4079"/>.
408    </t>
409  </list>
410</t>
411</section>
412
413</section>
414
415<section title="Transforming to HTML" anchor="output.html">
416<t>
417  Transformation to HTML can be done inside the browser if it supports
418  XSLT. To enable this, add the following processing instruction to
419  the start of the source file:
420</t>
421<iref item="xml-stylesheet PI"/>
422<figure><artwork type="example">
423  &lt;?xml-stylesheet type='text/xsl' href='rfc2629.xslt' ?>
424</artwork></figure>
425<t>
426  (and ensure that <spanx style="verb">rfc2629.xslt</spanx> is present).
427</t>
428
429<section title="HTML compliance">
430<t>
431  The transformation result is supposed to conform to the HTML 4.01 strict
432  DTD <xref target="HTML"/>. This can be checked using the W3C's online
433  validator at <eref target="http://validator.w3.org" /><iref item="HTML compliance"/>.
434</t>
435</section>
436
437<section title="Standard HTML LINK elements" anchor="html.link">
438<t>
439  LINK elements exist since HTML 2.0. They can be used to embed content-independant
440  links inside the document. Unfortunately, only few user agents
441  support this element. Firefox users may want to check the
442  <eref target="https://addons.mozilla.org/firefox/2933/">Link Widgets</eref>
443  extension.
444</t>
445<texttable>
446<preamble>The following LINK elements are produced:</preamble>
447
448  <ttcol>LINK type</ttcol>
449  <ttcol>description</ttcol>
450 
451  <c>alternate<iref item="alternate HTML LINK element"/><iref item="HTML LINK elements" subitem="alternate"/></c><c>for RFCs, a link to the authorative ASCII version on the IETF web site</c>
452  <c>appendic<iref item="appendix HTML LINK element"/><iref item="HTML LINK elements" subitem="appendix"/></c><c>pointer to all top-level appendics</c>
453  <c>author<iref item="author HTML LINK element"/><iref item="HTML LINK elements" subitem="author"/></c><c>pointer to "authors" section</c>
454  <c>chapter<iref item="chapter HTML LINK element"/><iref item="HTML LINK elements" subitem="chapter"/></c><c>pointer to all top-level sections</c>
455  <c>contents<iref item="contents HTML LINK element"/><iref item="HTML LINK elements" subitem="contents"/></c><c>pointer to table of contents</c>
456  <c>copyright<iref item="copyright HTML LINK element"/><iref item="HTML LINK elements" subitem="copyright"/></c><c>pointer to copyright statement</c>
457  <c>index<iref item="index HTML LINK element"/><iref item="HTML LINK elements" subitem="index"/></c><c>pointer to index</c>
458
459</texttable>
460<figure>
461<preamble>
462The figure below shows how Mozilla Firefox 1.0 displays the Site Navigation Bar
463for rfc2396.xml.
464</preamble>
465<artwork src="rfc2629xslt-fig1.png" height="235" width="509" type="image/png">
466(LINK elements displayed in Mozilla Firefox for RFC2396.xml)
467</artwork>
468</figure>
469
470</section>
471
472
473<section title="Standard HTML metadata">
474<texttable>
475<preamble>The following standard HTML META elements are produced:</preamble>
476
477  <ttcol>META name</ttcol>
478  <ttcol>description</ttcol>
479 
480  <c>generator<iref item="generator HTML META element"/><iref item="HTML META elements" subitem="generator"/></c><c>from XSLT engine version and stylesheet version</c>
481  <c>keywords<iref item="keywords HTML META element"/><iref item="HTML META elements" subitem="keywords"/></c><c>from keyword elements in front section</c>
482
483</texttable>
484</section>
485
486
487<section title="Dublin Core (RFC2731) metadata" anchor="rfc2731.properties">
488<t>
489  Unless turned off using the "rfc-ext support-rfc2731" processing
490  instruction, the transformation will generate metadata according to
491  <xref target="RFC2731"/>.
492</t>
493<texttable>
494<preamble>The following DCMI properties are produced:</preamble>
495
496  <ttcol>META name</ttcol>
497  <ttcol>description</ttcol>
498 
499  <c>DC.Creator<iref item="Creator DCMI property"/><iref item="DCMI properties" subitem="Creator"/></c><c>from author information in front section</c>
500  <c>DC.Date.Issued<iref item="Date.Issued DCMI property"/><iref item="DCMI properties" subitem="Date.Issued"/></c><c>from date information in front section</c>
501  <c>DC.Description.Abstract<iref item="Description.Abstract DCMI property"/><iref item="DCMI properties" subitem="Description.Abstract"/></c><c>from abstract</c>
502  <c>DC.Identifier<iref item="Identifier DCMI property"/><iref item="DCMI properties" subitem="Identifier"/></c><c>document URN <xref target="RFC2648" /> from "docName" attribute</c>
503  <c>DC.Relation.Replaces<iref item="Relation.Replaces DCMI property"/><iref item="DCMI properties" subitem="Relation.Replaces"/></c><c>from "obsoletes" attribute</c>
504
505</texttable>
506</section>
507
508<section title="Experimental hCard support" anchor="hcard">
509<t>
510  The generated author information is formatted in <eref target="http://microformats.org/wiki/hcard">hCard</eref>
511  format.
512</t>
513</section>
514
515
516</section>
517
518<section title="Transforming to XHTML" anchor="output.xhtml">
519<t>
520  Transforming to XHTML requires slightly different XSLT output options and
521  is implemented by the derived transformation script <spanx style="verb">rfc2629toXHTML.xslt</spanx>.
522</t>
523<t><list><t>
524  <x:h>Note:</x:h> Microsoft Internet Explorer does <spanx>not</spanx> support XHTML.
525  Therefore it usually makes more sense to generate plain old HTML.
526</t></list></t>
527</section>
528
529<section title="Transforming to CHM (Microsoft Compiled Help)" anchor="output.chm">
530<t>
531  <iref item="CHM format"/>
532  <iref item="Microsoft Help"/>
533  To generate a CHM file using Microsoft's HTML Help Compiler (hhc), three
534  files are required in addition to the HTML file.
535  <list style="numbers">
536    <t>hhc - table of contents file (HTML)</t>
537    <t>hhk - index file (HTML)</t>
538    <t>hhp - project file (plain text)</t>
539  </list> 
540</t>
541<t>
542  The three files are generated with three specific transformations, each
543  requiring the additional XSLT parameter "basename" to specify the filename
544  prefix.
545</t>
546<figure>
547<preamble>Example:</preamble>
548<artwork type="example">
549saxon rfc2616.xml rfc2629toHhp.xslt basename=rfc2616  > rfc2616.hhp
550saxon rfc2616.xml rfc2629toHhc.xslt basename=rfc2616  > rfc2616.hhc
551saxon rfc2616.xml rfc2629toHhk.xslt basename=rfc2616  > rfc2616.hhk
552hhc rfc2616.hhp
553</artwork>
554</figure>
555</section>
556
557<section title="Transforming to PDF" anchor="output.pdf">
558
559<section title="Via XSL-FO" anchor="output.pdf.fop">
560<t>
561  Transformation to XSL-FO <xref target="XSL-FO"/> format is available through
562  <spanx style="verb">rfc2629toFO.xslt</spanx> (which includes <spanx style="verb">rfc2629.xslt</spanx>, so keep both in the
563  same folder).
564</t>
565<t>
566  Compared to HTML user agents, XSL-FO engines unfortunately either come
567  as open source (for instance, <iref item="Apache FOP"/>Apache FOP) or
568  feature-complete (for instance, <iref item="AntennaHouse XSL Formatter"/>
569  AntennaHouse XSL Formatter), but not both at the same time.
570</t>
571<t>
572  As Apache FOP needs special workarounds (page breaking, table layout), and
573  some popular extensions aren't standardized yet, the translation produces
574  a generic output (hopefully) conforming to <xref target="XSL-FO"/>.
575  Specific backends (<spanx style="verb">xsl11toFop.xslt</spanx>,
576  <spanx style="verb">xsl11toXep.xslt</spanx>, <spanx style="verb">xsl11toAn.xslt</spanx>)
577  then provide post-processing for the individual processors.
578</t>
579<x:note>
580  <t>
581    <x:h>Note:</x:h>
582    the output is currently targeted at Apache FOP 0.95.
583  </t>
584</x:note>
585
586<section title="Extension feature matrix">
587<texttable>
588  <ttcol/>
589  <ttcol align="center" width="20%">PDF anchors</ttcol>
590  <ttcol align="center" width="20%">PDF bookmarks</ttcol>
591  <ttcol align="center" width="20%">PDF document information</ttcol>
592  <ttcol align="center" width="20%">Index cleanup</ttcol>
593 
594  <c><eref target="http://www.w3.org/TR/2003/WD-xsl11-20031217/">XSL 1.1 WD</eref></c>
595  <c>no, but can be auto-generated from "id" attributes</c> 
596  <c><eref target="http://www.w3.org/TR/2003/WD-xsl11-20031217/#d0e12873">yes</eref></c>
597  <c>no, but uses XEP output extensions</c>
598  <c><eref target="http://www.w3.org/TR/2003/WD-xsl11-20031217/#d0e12534">yes</eref></c>
599
600  <c><eref target="http://www.antennahouse.com/">Antenna House XSL formatter</eref></c>
601  <c>no</c>
602  <c><eref target="http://www.antennahouse.com/XSL20/axf-extension.htm">yes</eref> (from XSL 1.1 bookmarks)</c>
603  <c><eref target="http://www.antennahouse.com/XSL20/axf-extension.htm">yes</eref> (from XEP document info)</c>
604  <c><eref target="http://www.antennahouse.com/XSL20/axf-extension.htm">yes</eref> (just page duplicate elimination, from XSL 1.1 page index)</c>
605
606  <c><eref target="http://xml.apache.org/fop/">Apache FOP</eref></c>
607  <c><eref target="http://xml.apache.org/fop/extensions.html#named-destinations">yes</eref></c>
608  <c><eref target="http://xml.apache.org/fop/extensions.html#bookmarks">yes</eref> (from XSL 1.1 bookmarks)</c>
609  <c><eref target="http://xmlgraphics.apache.org/fop/0.95/metadata.html#xmp-in-fo">yes</eref></c>
610  <c>no</c>
611
612  <c><eref target="http://xep.xattic.com/">RenderX XEP</eref></c>
613  <c>no</c>
614  <c><eref target="http://xep.xattic.com/xep/spec.html">yes</eref> (from XSL 1.1 bookmarks)</c>
615  <c><eref target="http://xep.xattic.com/xep/spec.html">yes</eref></c>
616  <c><eref target="http://xep.xattic.com/xep/spec.html">yes</eref> (from XSL 1.1 page index)</c>
617
618</texttable>
619</section>
620
621<section title="Example: producing output for Apache FOP">
622<figure>
623<preamble>Example:</preamble>
624<artwork type="example">
625saxon rfc2616.xml rfc2629toFo.xslt > tmp.fo
626saxon tmp.fo xsl11toFop.xslt > rfc2629.fo
627</artwork>
628</figure>
629</section>
630</section>
631
632<section title="Via X(HTML)" anchor="output.pdf.html">
633<t>
634  PDF output can also be produced directly from (X)HTML. One simple approach
635  is to rely on the browser's printing function, and to use a printer driver
636  that produces PDF. Depending on the brower's CSS capabilities, the output
637  will behave properly with respect to table breaks etc.
638</t>
639<t>
640  An alternative is PrinceXML (see <eref target="http://www.princexml.com/"/>),
641  which can produce PDF directly from (X)HTML input, based on the CSS printing
642  information.
643</t>
644<figure>
645  <preamble>
646    For instance, PDF output with text justification turned on can be
647    produced with:
648  </preamble>
649  <artwork type="example">
650saxon input.xml rfc2629toXHTML.xslt xml2rfc-ext-justification=print \
651  > output.xhtml
652prince output.xhtml output.pdf</artwork>
653</figure>
654</section>
655
656</section>
657
658<section title="Generic Extensions" anchor="extensions">
659<t>
660  This section documents extensions implemented in
661  <spanx style="verb">rfc2629.xslt</spanx>, using the extension
662  namespace "http://purl.org/net/xml2rfc/ext".
663</t>
664
665<section title="&lt;abnf-char-sequence> element" anchor="ext.element.abnf-char-sequence">
666  <iref item="Extension Elements" subitem="abnf-char-sequence" primary="true"/>
667  <iref item="abnf-char-sequence Extension Element" primary="true"/>
668  <x:anchor-alias value="abnf-char-sequence"/>
669  <t>
670    Converts the contained quoted string into a hex-encoded character
671    sequence, for use in case-sensitive ABNF productions.
672  </t>
673  <t>
674    For instance, "&lt;x:abnf-char-sequence>"HTTP"&lt;/x:abnf-char-sequence>"
675    gets converted to "<x:abnf-char-sequence>"HTTP"</x:abnf-char-sequence>".
676  </t>
677</section>
678
679<section title="&lt;anchor-alias> element" anchor="ext.element.anchor-alias">
680  <iref item="Extension Elements" subitem="anchor-alias" primary="true"/>
681  <iref item="anchor-alias Extension Element" primary="true"/>
682  <x:anchor-alias value="anchor-alias"/>
683  <t>
684    Using its "value" attribute, this element allows the definition of an
685    internal link target alias for the enclosing element. This alias can
686    then be used with the &lt;<x:ref>ref</x:ref>> element for intra-document
687    references.
688  </t>
689  <t>
690    Note that the anchor alias is not subject to the naming constraints that
691    apply to anchor elements (which are <eref target="http://www.w3.org/TR/REC-xml/#NT-Name">XML
692    names</eref>).
693  </t>
694</section>
695
696<!--<section title="&lt;include-author> element" anchor="ext.element.include-author">
697  <iref item="Extension Elements" subitem="include-author" primary="true"/>
698  <iref item="include-author Extension Element" primary="true"/>
699  <x:anchor-alias value="include-author"/>
700  <t>
701    This element can be used to include an author's contact information in
702    place where a paragraphj (&lt;t>) would be allowed otherwise.
703  </t>
704</section> -->
705
706<section title="&lt;bcp14> element" anchor="ext.element.bcp14">
707  <iref item="Extension Elements" subitem="bcp14" primary="true"/>
708  <iref item="bcp14 Extension Element" primary="true"/>
709  <x:anchor-alias value="bcp14"/>
710  <t>
711    This element marks the content as being one of the normative keywords
712    defined in <xref target="RFC2119"/>.
713  </t>
714  <figure>
715    <preamble>
716      The DOCTYPE definition below allows using these keywords using XML
717      entity expansion: such as in "...server &amp;MUST; accept...".
718    </preamble>
719    <artwork type="example">
720&lt;!DOCTYPE rfc [
721 &lt;!ENTITY MAY "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
722   >MAY&lt;/bcp14>">
723 &lt;!ENTITY MUST "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
724   >MUST&lt;/bcp14>">
725 &lt;!ENTITY MUST-NOT "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
726   >MUST NOT&lt;/bcp14>">
727 &lt;!ENTITY OPTIONAL "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
728   >OPTIONAL&lt;/bcp14>">
729 &lt;!ENTITY RECOMMENDED "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
730   >RECOMMENDED&lt;/bcp14>">
731 &lt;!ENTITY REQUIRED "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
732   >REQUIRED&lt;/bcp14>">
733 &lt;!ENTITY SHALL "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
734   >SHALL&lt;/bcp14>">
735 &lt;!ENTITY SHALL-NOT "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
736   >SHALL NOT&lt;/bcp14>">
737 &lt;!ENTITY SHOULD "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
738   >SHOULD&lt;/bcp14>">
739 &lt;!ENTITY SHOULD-NOT "&lt;bcp14 xmlns='http://purl.org/net/xml2rfc/ext'
740   >SHOULD NOT&lt;/bcp14>">]></artwork>
741  </figure>
742</section>
743
744<section title="&lt;bb> element" anchor="ext.element.bb">
745  <iref item="Extension Elements" subitem="bb" primary="true"/>
746  <iref item="bb Extension Element" primary="true"/>
747  <x:anchor-alias value="bb"/>
748  <t>
749    Marking up a string as &lt;bb> indicates that it represents the bottom
750    line of a box drawing, replacing the "+" and "-" characters accordingly.
751  </t>
752</section>
753
754<section title="&lt;bc> element" anchor="ext.element.bc">
755  <iref item="Extension Elements" subitem="bc" primary="true"/>
756  <iref item="bc Extension Element" primary="true"/>
757  <x:anchor-alias value="bc"/>
758  <t>
759    Marking up a string as &lt;bc> indicates that it represents a center
760    line of a box drawing, replacing the "|" character accordingly.
761  </t>
762</section>
763
764<section title="&lt;blockquote> element" anchor="ext.element.blockquote">
765  <iref item="Extension Elements" subitem="blockquote" primary="true"/>
766  <iref item="blockquote Extension Element" primary="true"/>
767  <x:anchor-alias value="blockquote"/>
768  <t>
769    This element is like the "<eref target="http://www.w3.org/TR/html401/struct/text.html#edef-BLOCKQUOTE">blockquote</eref>" element in <xref target="HTML"/> 
770    (note this is a block-level element!). It should contain one or more
771    &lt;t> child elements.
772  </t>
773</section>
774
775<section title="&lt;bt> element" anchor="ext.element.bt">
776  <iref item="Extension Elements" subitem="bt" primary="true"/>
777  <iref item="bt Extension Element" primary="true"/>
778  <x:anchor-alias value="bt"/>
779  <t>
780    Marking up a string as &lt;bt> indicates that it represents the top
781    line of a box drawing, replacing the "+" and "-" characters accordingly.
782  </t>
783</section>
784
785<section title="&lt;dfn> element" anchor="ext.element.dfn">
786  <iref item="Extension Elements" subitem="dfn" primary="true"/>
787  <iref item="dfn Extension Element" primary="true"/>
788  <x:anchor-alias value="dfn"/>
789  <t>
790    This element is like the "<eref target="http://www.w3.org/TR/html401/struct/text.html#edef-DFN">dfn</eref>" element in <xref target="HTML"/>.
791  </t>
792</section>
793
794<section title="&lt;h> element" anchor="ext.element.h">
795  <iref item="Extension Elements" subitem="h" primary="true"/>
796  <iref item="h Extension Element" primary="true"/>
797  <x:anchor-alias value="h"/>
798  <t>
799    This element is like the "<eref target="http://www.w3.org/TR/2006/WD-xhtml2-20060726/mod-structural.html#edef_structural_h">h</eref>" element in <xref target="XHTML2"/>.
800  </t>
801</section>
802
803<section title="&lt;highlight> element" anchor="ext.element.highlight">
804  <iref item="Extension Elements" subitem="highlight" primary="true"/>
805  <iref item="highlight Extension Element" primary="true"/>
806  <x:anchor-alias value="highlight"/>
807  <t>
808    Used to highlight text passages, currently only allowed in &lt;artwork>.
809  </t>
810  <t>
811    <x:h>Note:</x:h> this is stripped when generating input for xml2rfc,
812    so please use with care.
813  </t>
814</section>
815
816<section title="&lt;length-of> element" anchor="ext.element.length-of">
817  <iref item="Extension Elements" subitem="length-of" primary="true"/>
818  <iref item="length-of Extension Element" primary="true"/>
819  <x:anchor-alias value="length-of"/>
820  <t>
821    This element can be used to insert the length of another formatted
822    section (in decimal).
823  </t>
824  <figure>
825    <preamble>Example: computing the Content-Length header value</preamble>
826    <artwork type="example">
827&lt;artwork>
828...
829Content-Length: &lt;x:length-of target="req"/>
830 
831&lt;x:span anchor="req">123456789
832&lt;x:span>&lt;artwork/>
833</artwork>
834  </figure>
835  <t>
836    The lenght computation counts line ends as two characters (CRLF).
837  </t>
838  <t>
839    Note that indentation characters in artwork <spanx>will</spanx> be
840    counted. The "indented" attribute allows to specify the amount of
841    indentation to be substracted from the computed length.
842  </t>
843</section>
844
845<section title="&lt;link> element" anchor="ext.element.link">
846  <iref item="Extension Elements" subitem="link" primary="true"/>
847  <iref item="link Extension Element" primary="true"/>
848  <x:anchor-alias value="link"/>
849  <t>
850    This element can be added as a top-level child element below
851    &lt;rfc> to indicate additional link information. It's currently
852    used only when generating HTML output, in which case an HTML
853    <eref target="http://www.w3.org/TR/html4/struct/links.html#edef-LINK">&lt;link></eref> element with identical attributes gets generated.
854  </t>
855  <figure>
856    <preamble>Example: generating HTML link element</preamble>
857    <artwork type="example">
858        &lt;x:link xmlns="http://purl.org/net/xml2rfc/ext"
859            rel="Bookmark"
860            title="IETF WEBDAV Working Group"
861            href="http://ftp.ics.uci.edu/pub/ietf/webdav/"/></artwork>
862  </figure>
863</section>
864
865<section title="&lt;lt> element" anchor="ext.element.lt">
866  <iref item="Extension Elements" subitem="lt" primary="true"/>
867  <iref item="lt Extension Element" primary="true"/>
868  <x:anchor-alias value="lt"/>
869  <t>
870    Used for grouping multiple &lt;t&gt; elements into a single list item.
871  </t>
872</section>
873
874<section title="&lt;note> element" anchor="ext.element.note">
875  <iref item="Extension Elements" subitem="note" primary="true"/>
876  <iref item="note Extension Element" primary="true"/>
877  <x:anchor-alias value="note"/>
878  <t>
879    Can be used to add a note, usually indented by a few characters.
880    It should contain one or more &lt;t> child elements.
881  </t>
882</section>
883
884<section title="&lt;parse-xml> element" anchor="ext.element.parse-xml">
885  <iref item="Extension Elements" subitem="parse-xml" primary="true"/>
886  <iref item="parse-xml Extension Element" primary="true"/>
887  <x:anchor-alias value="parse-xml"/>
888  <t>
889    This element instructs the processor to parse the contents as XML and
890    to warn when there's a problem (requires either MSXML or Saxon8 or newer).
891  </t>
892</section>
893
894<section title="&lt;q> element" anchor="ext.element.q">
895  <iref item="Extension Elements" subitem="q" primary="true"/>
896  <iref item="q Extension Element" primary="true"/>
897  <x:anchor-alias value="q"/>
898  <t>
899    This element is like the "<eref target="http://www.w3.org/TR/html401/struct/text.html#edef-Q">q</eref>" element in <xref target="HTML"/>.
900  </t>
901</section>
902
903<section title="&lt;ref> element" anchor="ext.element.ref">
904  <iref item="Extension Elements" subitem="ref" primary="true"/>
905  <iref item="ref Extension Element" primary="true"/>
906  <x:anchor-alias value="ref"/>
907  <t>
908    This element is a simplified variant of the &lt;xref> element, in that
909    no "target" attribute needs to be specified, instead the text contents
910    acts as identifier.  That in itself wouldn't be terribly useful,
911    but together with the &lt;<x:ref>anchor-alias</x:ref>>, it allows
912    referring to other parts of the document with minimal additional markup.
913  </t>
914  <t>
915    For instance, given an alias definition such as
916  </t>
917  <figure>
918    <artwork type="example">
919      &lt;section title="Test" anchor="test">
920        &lt;x:anchor-alias value="alias1"/>
921        &lt;x:anchor-alias value="alias 2"/>
922        ...
923      &lt;/section></artwork>
924  </figure>
925  <t>
926    the following simple references
927  </t>
928  <figure>
929    <artwork type="example">
930      &lt;x:ref>test&lt;/x:ref>
931      &lt;x:ref>alias1&lt;/x:ref>
932      &lt;x:ref>alias 2&lt;/x:ref></artwork>
933  </figure>
934  <t>
935    are equivalent to...:
936  </t>
937  <figure>
938    <artwork type="example">
939      &lt;xref target="test">test&lt;/xref>
940      &lt;xref target="test">alias1&lt;/xref>
941      &lt;xref target="test">alias 2&lt;/xref></artwork>
942  </figure>
943</section>
944
945<section title="&lt;source> element" anchor="ext.element.source">
946  <iref item="Extension Elements" subitem="source" primary="true"/>
947  <iref item="source Extension Element" primary="true"/>
948  <x:anchor-alias value="source"/>
949  <t>
950    Can be used to enhance a &lt;reference> with information about the
951    location for the XML source. This can be used by the &lt;xref>
952    processing code to automatically extract the target section number.
953  </t>
954  <figure>
955    <preamble>
956      For example:
957    </preamble>
958    <artwork type="example">
959      ...
960      &lt;xref target="RFC2616" x:fmt="of" x:rel="#PUT" />
961      ...
962   
963      &lt;reference target="RFC2616"/>
964        ...
965        &lt;x:source href="rfc2616.xml"/>
966        ...
967    </artwork>
968  </figure>
969</section>
970
971<section title="&lt;sup> element" anchor="ext.element.sup">
972  <iref item="Extension Elements" subitem="sup" primary="true"/>
973  <iref item="sup Extension Element" primary="true"/>
974  <x:anchor-alias value="sup"/>
975  <t>
976    This element is like the "<eref target="http://www.w3.org/TR/html401/struct/text.html#edef-SUP">sup</eref>" element in <xref target="HTML"/>.
977  </t>
978  <t>
979    Note: the down conversion to RFC2629 format replaces
980    "x<x:sup>y</x:sup>" by "x^y".
981  </t>
982</section>
983
984<section title="Extensions to Xml2rfc &lt;artwork&gt; element" anchor="ext-rfc2629.artwork">
985<t>
986  Sometimes, artwork occurs inside lists. To get it indent properly in xml2rfc's
987  text output, it needs to be indented in the source. This is sub-optimal, as
988  this whitespace will also appear in the HTML output, where it's already
989  indented due to HTML's semantics.
990</t>
991<t>
992  As a workaround, a "x:indent-with" attribute can be specified, containing
993  a string that will be prepended to each line when <spanx style="verb">clean-for-DTD.xslt</spanx>
994  is run (see <xref target="clean-for-dtd"/>).
995</t>
996</section>
997
998<section title="Extensions to Xml2rfc &lt;iref&gt; element" anchor="ext-rfc2629.iref">
999<t>
1000  The extension attribute below is allowed on the standard &lt;iref&gt; element:
1001  <list style="symbols">
1002    <t>x:for-anchor specifies that the &lt;iref&gt; will also be automatically
1003    inserted whenever the specified anchor is cross-referenced -- this may
1004    save entering lots of &lt;iref&gt; instances. As a special case, a value of
1005    "" (empty string) refers to the anchor attribute of the closest ancestor.</t>
1006  </list>
1007</t>
1008</section>
1009
1010<section title="Extensions to Xml2rfc &lt;list&gt; element" anchor="ext-rfc2629.list">
1011<t>
1012  The extension attribute below is allowed on the standard &lt;list&gt; element:
1013  <list style="symbols">
1014    <t>x:indent specifies the amount of indentation for list items in hanging
1015    lists. This can be useful when the output format, such as XSL-FO, does not
1016    support automatical formatting. The value takes an XSL-FO width, such as "5em".
1017    The default is <spanx>length of longest label in characters</spanx> times
1018    <spanx>0.8em</spanx>.</t>
1019  </list>
1020</t>
1021<t>
1022  Also, the &lt;list&gt; element can take &lt;x:<x:ref>lt</x:ref>&gt; child elements instead of
1023  &lt;t&gt;, allowing to insert multiple paragraphs into a single list item.
1024</t>
1025</section>
1026
1027<section title="Extensions to Xml2rfc &lt;rfc&gt; element" anchor="ext-rfc2629.rfc">
1028<t>
1029  The extension attributes below are allowed on the standard &lt;rfc&gt; element:
1030  <list style="symbols">
1031    <t>grddl:transformation can be used to reference a GRDDL transform.</t>
1032    <t>x:maturiy-level can be used to specify the IETF Standards Track
1033    Maturity Level of "proposed", "draft" or "internet" (see <xref target="RFC2026" x:fmt="of" x:sec="4.1"/>).</t>
1034  </list>
1035</t>
1036</section>
1037
1038<section title="Extensions to Xml2rfc &lt;section&gt; element" anchor="ext-rfc2629.section">
1039<t>
1040  The extension attribute below is allowed on the standard &lt;list&gt; element:
1041  <list style="symbols">
1042    <t>x:fixed-section-number can be used to specify a fixed section number.
1043    This can be useful when formatting historic documents that used a different
1044    numbering style.</t>
1045  </list>
1046</t>
1047</section>
1048
1049<section title="Extensions to Xml2rfc &lt;xref&gt; element" anchor="ext-rfc2629.xref">
1050<t>
1051  Three extension attributes are allowed on the standard &lt;xref&gt; element:
1052  <list style="numbers">
1053    <t>x:sec can be specified to point to a specific section of the referenced document,</t>
1054    <t>x:rel may specify a relative reference to use when linking into the referenced document (if linking by section number is not available),</t>
1055    <t>x:fmt defines the text format to be used.</t>
1056  </list>
1057</t>
1058<t>
1059  The following formats are defined for the x:fmt attribute:
1060  <list style="hanging">
1061    <t hangText=", (Comma)">
1062      [<spanx>reference</spanx>], Section <spanx>sec</spanx>
1063    </t>
1064    <t hangText="()">
1065      [<spanx>reference</spanx>] (Section <spanx>sec</spanx>)
1066    </t>
1067    <t hangText="anchor">
1068      Like the default format, but without brackets.
1069    </t>
1070    <t hangText="of">
1071      Section <spanx>sec</spanx> of [<spanx>reference</spanx>]
1072    </t>
1073    <t hangText="number">
1074      <spanx>sec</spanx>
1075    </t>
1076    <t hangText="none">
1077      No output (can be used to have xrefs to references without
1078      having them rendered as such)
1079    </t>
1080    <t hangText="sec">
1081      Section <spanx>sec</spanx>
1082    </t>
1083  </list>
1084</t>
1085<t>
1086  These extensions are currently only supported for &lt;xref&gt; elements without
1087  child nodes.
1088</t>
1089<t>
1090  If the processor knows how to reference the target section, it will generate
1091  a link directly to the target section, such as in <xref target="RFC2119" x:fmt="," x:sec="5"/>.
1092</t>
1093</section>
1094
1095</section>
1096
1097<section title="Utilities" anchor="utilities">
1098
1099<section title="Checking References" anchor="checking-references">
1100<t>
1101  <spanx style="verb">check-references.xslt</spanx> can be used to check
1102  all references to RFC- and ID-series IETF publications and to W3C publications (note
1103  this script requires local copies of
1104  <eref target="ftp://ftp.isi.edu/in-notes/rfc-index.xml"/> and
1105  <eref target="http://www.w3.org/2002/01/tr-automation/tr.rdf"/> and
1106  will use the XML status information provided at <eref target="http://tools.ietf.org/"/>).
1107</t>
1108<t>
1109  If the document is supposed to be published on the IETF standards track,
1110  the desired level can be specified using the parameter <spanx style='verb'>intended-level</spanx>
1111  as 'proposed', 'draft' or 'internet'. Alternatively, it can be specified
1112  inside the document using the attribute x:maturity-level on the &lt;rfc> element.
1113</t>
1114<t>
1115  <x:h>Note:</x:h> Downward references should be
1116  annotated using the &lt;annotate> element, containing an &lt;xref> to
1117  <xref target="BCP97"/>.
1118</t>
1119<t>
1120  When an XSLT 2.0 processor is used, links in the document can be checked as well
1121  using the <spanx style='verb'>link-check</spanx> paramerer ('yes' or 'no').
1122  Note that this only works for http links to documents of tytpe text/*.
1123</t>
1124<figure>
1125<preamble>
1126For instance, as of 2008-07-12, the script produces for <eref target="http://greenbytes.de/tech/webdav/rfc2518.xml"/>:
1127</preamble>
1128<artwork type="example">
1129> saxon rfc2518.xml check-references.xslt intended-status=PROPOSED \
1130  link-check=yes
1131
1132Normative References:
1133ISO-11578: not checked
1134ISO-639: not checked
1135ISO-8601: not checked
1136REC-xml-19980210: [FirstEdition] obsoleted by REC-xml-20001006
1137REC-xml-names-19990114: [FirstEdition] obsoleted by
1138 REC-xml-names-20060816
1139RFC1766: [PROPOSED STANDARD] obsoleted by RFC3066 RFC3282
1140RFC2068: [PROPOSED STANDARD] obsoleted by RFC2616
1141RFC2069: [PROPOSED STANDARD] obsoleted by RFC2617
1142RFC2119: [BEST CURRENT PRACTICE] (-> BCP0014) ok
1143RFC2141: [PROPOSED STANDARD] ok
1144RFC2277: [BEST CURRENT PRACTICE] (-> BCP0018) ok
1145RFC2396: [DRAFT STANDARD] obsoleted by RFC3986
1146RFC2279: [DRAFT STANDARD] obsoleted by RFC3629
1147
1148Informational References:
1149REC-PICS-labels-961031: [REC] ok
1150RFC1807: [INFORMATIONAL] ok
1151RFC2026: [BEST CURRENT PRACTICE] (-> BCP0009) ok
1152RFC2291: [INFORMATIONAL] ok
1153RFC2376: [INFORMATIONAL] obsoleted by RFC3023
1154RFC2413: [INFORMATIONAL] obsoleted by RFC5013
1155USMARC: not checked
1156WF: not checked
1157
1158Link Targets
1159&lt;http://www.w3.org/TR/1998/REC-xml-19980210>: ok
1160&lt;http://www.w3.org/TR/1999/REC-xml-names-19990114>: ok
1161&lt;http://www.dlib.org/dlib/july96/lagoze/07lagoze.html>: ok
1162&lt;http://www.w3.org/pub/WWW/TR/REC-PICS-labels-961031.html>: ok
1163</artwork></figure>
1164<t>
1165  Recognized formats in the &lt;seriesInfo> element are:
1166  <list style="symbols">
1167    <t>for RFCs, the name attribute must be "RFC", and the value attribute must
1168    be the number of the RFC,</t>
1169    <t>for Internet Drafs, the name attribute must be "ID" or "Internet-Draft", and the value attribute must
1170    be the file name of the draft (including the two-digit running number, but excluding a file extension),</t>
1171    <t>for W3C documents, the name attribute must be "W3C", must start with "W3C&#160;", or
1172    must start with "World Wide Web Consortium&#160;", and the value attribute
1173    must be the "shorthand" name of the specification, such as "REC-xml-19980210".</t>
1174  </list>
1175</t>
1176
1177</section>
1178
1179<section title="Generating Graphs from References">
1180<t>
1181  <spanx style="verb">gen-reference-graph.xslt</spanx> generates a graph
1182  of RFC dependencies, using the same base data as in <spanx style="verb">check-references.xslt</spanx>
1183  (see <xref target="checking-references"/>). Its output is a "dot" file,
1184  to be processed by GraphViz (see <eref target="http://www.graphviz.org/"/>).
1185</t>
1186<figure>
1187<preamble>
1188The picture below shows the RFC dependencies in RFC2629.
1189</preamble>
1190<artwork src="rfc2629xslt-fig2.png" type="image/png">
1191(PNG output obtained from GraphViz)
1192</artwork>
1193</figure>
1194</section>
1195
1196<section title="Producing reference entries for books">
1197<t>
1198  <spanx style="verb">amazon-asin.xslt</spanx> uses the Amazon web services
1199  to generate a &lt;reference> element for a given ASIN (ISBN).
1200</t>
1201<figure>
1202<preamble>For instance:</preamble>
1203<artwork type="example">
1204&lt;?xml version="1.0" encoding="utf-8"?>
1205&lt;references>
1206 &lt;reference target="urn:isbn:0134516591">
1207   &lt;front>
1208     &lt;title>Simple Book, The: An Introduction to Internet Management,
1209               Revised Second Edition&lt;/title>
1210     &lt;author surname="Rose"
1211                fullname="Marshall T. Rose" initials="M. T. ">
1212       &lt;organization/>
1213     &lt;/author>
1214     &lt;author surname="Marshall"
1215                fullname="Rose T. Marshall" initials="R. T.">
1216       &lt;organization/>
1217     &lt;/author>
1218     &lt;date year="1996" month="March"/>
1219   &lt;/front>
1220   &lt;seriesInfo name="Prentice Hall" value=""/>
1221 &lt;/reference>
1222&lt;/references>
1223</artwork></figure>
1224<t>
1225  Note that the resulting XML usually requires checking, in this case Amazon's
1226  database is playing tricks with Marshall's name...
1227</t>
1228</section>
1229
1230<section title="Down-converting to RFC2629bis DTD" anchor="clean-for-dtd">
1231<t>
1232  <spanx style="verb">clean-for-DTD.xslt</spanx> can be used to down-convert
1233  some extensions to a format that is supported by the base xml2rfc
1234  distribution.  Note that these extensions are experimental (feedback
1235  appreciated).
1236</t>
1237<t>
1238  The following mappings are done:
1239  <list style="symbols">
1240    <t>
1241      &lt;iref> elements inside &lt;artwork> elements are moved in front
1242      of the enclosing &lt;figure> element.
1243    </t>
1244    <t>
1245      &lt;xref> elements inside &lt;artwork> are expanded just like in
1246      regular text (that is, the markup is stripped, but the element
1247      is replaced by the applicable replacement text).
1248    </t>
1249    <t>
1250      &lt;x:<x:ref>anchor-alias</x:ref>> elements get stripped.
1251    </t>
1252    <t>
1253      &lt;x:<x:ref>bcp14</x:ref>> elements get stripped.
1254    </t>
1255    <t>
1256      &lt;x:<x:ref>bb</x:ref>>, &lt;x:<x:ref>bc</x:ref>> and &lt;x:<x:ref>bt</x:ref>> elements get stripped.
1257    </t>
1258    <t>
1259      &lt;x:<x:ref>blockquote</x:ref>> elements get converted to
1260      indented text (through a &lt;list> element).
1261    </t>
1262    <t>
1263      &lt;x:<x:ref>dfn</x:ref>> elements get stripped.
1264    </t>
1265    <t>
1266      &lt;x:<x:ref>h</x:ref>> elements get stripped.
1267    </t>
1268    <t>
1269      &lt;x:<x:ref>link</x:ref>> elements get stripped.
1270    </t>
1271    <t>
1272      &lt;x:<x:ref>note</x:ref>> elements get converted to
1273      indented text (through a &lt;list> element).
1274    </t>
1275    <t>
1276      &lt;x:<x:ref>q</x:ref>> elements get stripped, with apostrophes
1277      added around the text.
1278    </t>
1279    <t>
1280      &lt;x:<x:ref>ref</x:ref>> elements get replaced by &lt;xref>
1281      elements, targetting either the anchor or another anchor with
1282      matching &lt;x:<x:ref>anchor-alias</x:ref>> child element.
1283    </t>
1284  </list>
1285</t>
1286</section>
1287
1288<section title="Extracting artwork" anchor="extract-artwork">
1289<t>
1290  With <spanx style="verb">extract-artwork.xslt</spanx>, artwork elements
1291  named through the "name" attribute can be extracted. This can be used
1292  to automatically check their syntax (for instance, when ABNFs appear
1293  within a figure element).
1294</t>
1295<figure><preamble>For instance:</preamble>
1296<artwork type="example">saxon rfc3986.xml extract-artwork.xslt name=uri.abnf
1297</artwork>
1298</figure>
1299<t>
1300  In addition, artwork of a specific type can be extracted, such as with:
1301</t>
1302<figure>
1303<artwork type="example">saxon rfc3986.xml extract-artwork.xslt type=abnf
1304</artwork>
1305</figure>
1306</section>
1307
1308<section title="GRRDL" anchor="grddl">
1309<t>
1310  <spanx style="verb">rfc2629grddl.xslt</spanx> extracts RDF
1311  information. This is experimental work-in-progress. See
1312  <eref target="http://www.w3.org/TR/grddl/"/> for more information.
1313</t>
1314</section>
1315</section>
1316
1317 
1318
1319</middle>
1320
1321<back>
1322<references title="Informative References">
1323
1324<reference anchor='RFC2026'>
1325  <front>
1326    <title abbrev='Internet Standards Process'>The Internet Standards Process -- Revision 3</title>
1327    <author initials='S.' surname='Bradner' fullname='Scott O. Bradner'>
1328      <organization>Harvard University</organization>
1329      <address>
1330        <email>sob@harvard.edu</email>
1331      </address>
1332    </author>
1333    <date year='1996' month='October' />
1334  </front>
1335  <seriesInfo name='BCP' value='9' />
1336  <seriesInfo name='RFC' value='2026' />
1337</reference>
1338
1339<reference anchor="RFC2119">
1340  <front>
1341    <title abbrev="RFC Key Words">Key words for use in RFCs to Indicate Requirement Levels</title>
1342    <author initials="S." surname="Bradner" fullname="Scott Bradner">
1343      <organization>Harvard University</organization>
1344      <address>
1345        <email>sob@harvard.edu</email>
1346      </address>
1347    </author>
1348    <date month="March" year="1997"/>
1349  </front>
1350  <seriesInfo name="BCP" value="14"/>
1351  <seriesInfo name="RFC" value="2119"/>
1352</reference>
1353
1354<reference anchor="RFC2616">
1355  <front>
1356  <title abbrev="HTTP/1.1">Hypertext Transfer Protocol -- HTTP/1.1</title>
1357  <author initials="R.T." surname="Fielding" fullname="Roy T. Fielding">
1358  <organization>University of California, Irvine, Information and Computer Science</organization>
1359  <address>
1360  <postal>
1361  <street/>
1362  <city>Irvine</city>
1363  <region>CA</region>
1364  <code>92697-3425</code>
1365  <country>US</country></postal>
1366  <phone>+1 949 824 1715</phone>
1367  <email>fielding@ics.uci.edu</email></address></author>
1368  <author initials="J." surname="Gettys" fullname="James Gettys">
1369  <organization>World Wide Web Consortium, MIT Laboratory for Computer Science</organization>
1370  <address>
1371  <postal>
1372  <street>545 Technology Square</street>
1373  <city>Cambridge</city>
1374  <region>MA</region>
1375  <code>02139</code>
1376  <country>US</country></postal>
1377  <phone/>
1378  <facsimile>+1 617 258 8682</facsimile>
1379  <email>jg@w3.org</email></address></author>
1380  <author initials="J.C." surname="Mogul" fullname="Jeffrey C. Mogul">
1381  <organization>Compaq Computer Corporation, Western Research Laboratory</organization>
1382  <address>
1383  <postal>
1384  <street>250 University Avenue</street>
1385  <city>Palo Alto</city>
1386  <region>CA</region>
1387  <code>94301</code>
1388  <country>US</country></postal>
1389  <phone/>
1390  <email>mogul@wrl.dec.com</email></address></author>
1391  <author initials="H.F." surname="Nielsen" fullname="Henrik Frystyk Nielsen">
1392  <organization>World Wide Web Consortium, MIT Laboratory for Computer Science</organization>
1393  <address>
1394  <postal>
1395  <street>545 Technology Square</street>
1396  <city>Cambridge</city>
1397  <region>MA</region>
1398  <code>02139</code>
1399  <country>US</country></postal>
1400  <phone/>
1401  <facsimile>+1 617 258 8682</facsimile>
1402  <email>frystyk@w3.org</email></address></author>
1403  <author initials="L." surname="Masinter" fullname="Larry Masinter">
1404  <organization>Xerox Corporation</organization>
1405  <address>
1406  <postal>
1407  <street>3333 Coyote Hill Road</street>
1408  <city>Palo Alto</city>
1409  <region>CA</region>
1410  <code>94034</code>
1411  <country>US</country></postal>
1412  <phone/>
1413  <email>masinter@parc.xerox.com</email></address></author>
1414  <author initials="P.J." surname="Leach" fullname="Paul J. Leach">
1415  <organization>Microsoft Corporation</organization>
1416  <address>
1417  <postal>
1418  <street>1 Microsoft Way</street>
1419  <city>Redmond</city>
1420  <region>WA</region>
1421  <code>98052</code>
1422  <country>US</country></postal>
1423  <phone/>
1424  <email>paulle@microsoft.com</email></address></author>
1425  <author initials="T." surname="Berners-Lee" fullname="Tim Berners-Lee">
1426  <organization>World Wide Web Consortium, MIT Laboratory for Computer Science</organization>
1427  <address>
1428  <postal>
1429  <street>545 Technology Square</street>
1430  <city>Cambridge</city>
1431  <region>MA</region>
1432  <code>02139</code>
1433  <country>US</country></postal>
1434  <phone>+1 617 258 8682</phone>
1435  <facsimile/>
1436  <email>timbl@w3.org</email></address></author>
1437  <date month="June" year="1999"/>
1438  </front>
1439  <seriesInfo name="RFC" value="2616"/>
1440</reference>
1441
1442<reference anchor='RFC2629'>
1443  <front>
1444    <title>Writing I-Ds and RFCs using XML</title>
1445    <author initials='M.T.' surname='Rose' fullname='Marshall T. Rose'>
1446      <organization>Invisible Worlds, Inc.</organization>
1447      <address>
1448        <postal>
1449          <street>660 York Street</street>
1450          <city>San Francisco</city>
1451          <region>CA</region>
1452          <code>94110</code>
1453          <country>US</country>
1454        </postal>
1455        <phone>+1 415 695 3975</phone>
1456        <email>mrose@not.invisible.net</email>
1457        <uri>http://invisible.net/</uri>
1458      </address>
1459    </author>
1460    <date month='June' year='1999' />
1461  </front>
1462  <seriesInfo name='RFC' value='2629' />
1463</reference>
1464
1465<reference anchor='RFC2648'>
1466  <front>
1467    <title>A URN Namespace for IETF Documents</title>
1468    <author initials='R.' surname='Moats' fullname='Ryan Moats'>
1469      <organization>AT&amp;T</organization>
1470      <address>
1471      <postal>
1472        <street>15621 Drexel Circle</street>
1473        <city>Omaha</city>
1474        <region>NE</region>
1475        <code>68135-2358</code>
1476        <country>US</country>
1477      </postal>
1478      <email>jayhawk@att.com</email></address>
1479    </author>
1480    <date month='August' year='1999' />
1481  </front>
1482  <seriesInfo name='RFC' value='2648' />
1483</reference>
1484
1485<reference anchor='RFC2731'>
1486  <front>
1487    <title>Encoding Dublin Core Metadata in HTML</title>
1488    <author initials='J.A.' surname='Kunze' fullname='John A. Kunze'>
1489      <organization>University of California, San Francisco,  Center for Knowledge Management</organization>
1490      <address>
1491        <postal>
1492          <street>530 Parnassus Ave</street>
1493          <street>Box 0840</street>
1494          <city>San Francisco</city>
1495          <region>CA</region>
1496          <code>94143-0840</code>
1497          <country>US</country>
1498        </postal>
1499        <facsimile>+1 415 476 4653</facsimile>
1500        <email>jak@ckm.ucsf.edu</email>
1501      </address>
1502    </author>
1503    <date month='December' year='1999' />
1504  </front>
1505  <seriesInfo name='RFC' value='2731' />
1506</reference>
1507
1508<reference anchor="RFC5234">
1509  <front>
1510    <title abbrev="ABNF for Syntax Specifications">Augmented BNF for Syntax Specifications: ABNF</title>
1511    <author initials="D." surname="Crocker" fullname="Dave Crocker" role="editor">
1512      <organization>Brandenburg InternetWorking</organization>
1513      <address>
1514      <postal>
1515      <street>675 Spruce Dr.</street>
1516      <city>Sunnyvale</city>
1517      <region>CA</region>
1518      <code>94086</code>
1519      <country>US</country></postal>
1520      <phone>+1.408.246.8253</phone>
1521      <email>dcrocker@bbiw.net</email></address> 
1522    </author>
1523    <author initials="P." surname="Overell" fullname="Paul Overell">
1524      <organization>THUS plc.</organization>
1525      <address>
1526      <postal>
1527      <street>1/2 Berkeley Square</street>
1528      <street>99 Berkely Street</street>
1529      <city>Glasgow</city>
1530      <code>G3 7HR</code>
1531      <country>UK</country></postal>
1532      <email>paul.overell@thus.net</email></address>
1533    </author>
1534    <date month="January" year="2008"/>
1535  </front>
1536  <seriesInfo name="STD" value="68"/>
1537  <seriesInfo name="RFC" value="5234"/>
1538</reference>
1539
1540<reference anchor="HTML" target="http://www.w3.org/TR/html401/">
1541  <front>
1542    <title>HTML 4.01 Specification</title>
1543    <author initials="D." surname="Raggett" fullname="David Raggett">
1544      <organization>W3C</organization>
1545      <address>
1546        <email>dsr@w3.org</email>
1547      </address>
1548    </author>
1549    <author initials="A." surname="Hors" fullname="Arnaud Le Hors">
1550      <organization>W3C</organization>
1551    </author>
1552    <author initials="I." surname="Jacobs" fullname="Ian Jacobs">
1553      <organization>W3C</organization>
1554    </author>
1555    <date month="December" day="24" year="1999" />
1556  </front>
1557  <seriesInfo name="W3C" value="REC-html401-19991224" />
1558</reference>
1559
1560<reference anchor="XHTML2" target="http://www.w3.org/TR/xhtml2">
1561  <front>
1562    <title>XHTML&#8482; 2.0</title>
1563    <author initials="J." surname="Axelsson" fullname="Jonny Axelsson">
1564      <organization>Opera Software</organization>
1565    </author>
1566    <author initials="M." surname="Birbeck" fullname="Mark Birbeck">
1567      <organization>x-port.net</organization>
1568    </author>
1569    <author initials="M." surname="Dubinko" fullname="Micah Dubinko">
1570      <organization></organization>
1571    </author>
1572    <author initials="B." surname="Epperson" fullname="Beth Epperson">
1573      <organization>Websense</organization>
1574    </author>
1575    <author initials="M." surname="Ishikawa" fullname="Masayasu Ishikawa">
1576      <organization>W3C</organization>
1577    </author>
1578    <author initials="S." surname="McCarron" fullname="Shane McCarron">
1579      <organization>Applied Testing and Technology</organization>
1580    </author>
1581    <author initials="A." surname="Navarro" fullname="Ann Navarro">
1582      <organization>WebGeek, Inc.</organization>
1583    </author>
1584    <author initials="S." surname="Pemberton" fullname="Steven Pemberton">
1585      <organization>CWI</organization>
1586    </author>
1587    <date month="July" day="26" year="2006" />
1588  </front>
1589  <seriesInfo name="W3C" value="WD-xhtml2-20060726" />
1590</reference>
1591
1592<reference anchor="XSL-FO" target="http://www.w3.org/TR/2006/REC-xsl11-20061205/">
1593  <front>
1594    <title>Extensible Stylesheet Language (XSL) Version 1.1</title>
1595    <author initials="A." surname="Berglund" fullname="Anders Berglund">
1596      <organization>IBM</organization>
1597      <address>
1598        <email>alrb@us.ibm.com</email>
1599      </address>
1600    </author>
1601    <date month="Dec" day="5" year="2006" />
1602  </front>
1603  <seriesInfo name="W3C" value="REC-xsl11-20061205" />
1604</reference>
1605
1606<reference anchor="RNC" target="http://www.oasis-open.org/committees/relax-ng/compact-20021121.html">
1607  <front>
1608    <title>RELAX NG Compact Syntax</title>
1609    <author initials="J." surname="Clark" fullname="James Clark">
1610      <organization/>
1611      <address>
1612        <email>jjc@jclark.com</email>
1613      </address>
1614    </author>
1615    <date month="Nov" day="21" year="2002" />
1616  </front>
1617  <seriesInfo name="OASIS" value=""/>
1618</reference>
1619
1620<reference anchor='BCP97'>
1621  <front>
1622    <title>Handling Normative References to Standards-Track Documents</title>
1623    <author initials='J.' surname='Klensin' fullname='J. Klensin'>
1624      <organization />
1625      <address>
1626        <email>klensin+ietf@jck.com</email>
1627      </address>
1628    </author>
1629    <author initials='S.' surname='Hartman' fullname='S. Hartman'>
1630      <organization>MIT</organization>
1631      <address>
1632        <email>hartmans-ietf@mit.edu</email>
1633      </address>
1634    </author>
1635    <date year='2007' month='June' />
1636  </front>
1637  <seriesInfo name='BCP' value='97' />
1638  <seriesInfo name='RFC' value='4897' />
1639</reference>
1640</references>
1641
1642  <section title="RELAX NG Compact Schema" anchor="grammar">
1643  <iref item="Grammar" primary="true"/>
1644  <iref item="Schema" primary="true"/>
1645  <iref item="RELAX NG Compact Schema" primary="true"/>
1646  <t>
1647    The RelaxNG schema (<xref target="RNC"/>) below can be used to validate
1648    input documents (for instance, with <eref target="http://www.thaiopensource.com/relaxng/jing.html">Jing</eref>).
1649  </t>
1650  <t>
1651    <spanx>Note that this is work in progress, and doesn't yet cover all
1652    extensions completely.</spanx>
1653  </t>
1654  <figure>
1655    <artwork type="application/relax-ng-compact-syntax" name="rfc2629-ext.rnc" x:extraction-note="# Automatically extracted from rfc2629xslt.xml. DO NOT EDIT!&#10;">
1656<spanx># WORK IN PROGRESS! PLEASE REPORT PROBLEMS TO THE AUTHOR.</spanx>
1657
1658<spanx># Define our extension namespace</spanx>
1659namespace x = "http://purl.org/net/xml2rfc/ext"
1660
1661<spanx># Define GRDDL namespace</spanx>
1662namespace grddl = "http://www.w3.org/2003/g/data-view#"
1663
1664<spanx># Define RDF namespace</spanx>
1665namespace rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
1666
1667<spanx># Include rfc2629bis RNC grammar</spanx>
1668include "rfc2629.rnc" {
1669 
1670  <spanx># Redefine &lt;artwork> to allow markup</spanx>
1671  artwork =
1672    element artwork {
1673      attlist.artwork,
1674      (TEXT
1675        <spanx style="strong">| eref</spanx> 
1676        <spanx style="strong">| iref</spanx> 
1677        <spanx style="strong">| spanx</spanx> 
1678        <spanx style="strong">| xref</spanx>
1679        <spanx style="strong">| <x:ref>x_abnf-char-sequence</x:ref></spanx>
1680        <spanx style="strong">| <x:ref>x_bb</x:ref></spanx>
1681        <spanx style="strong">| <x:ref>x_bc</x:ref></spanx>
1682        <spanx style="strong">| <x:ref>x_bt</x:ref></spanx>
1683        <spanx style="strong">| <x:ref>x_highlight</x:ref></spanx>
1684        <spanx style="strong">| <x:ref>x_length-of</x:ref></spanx>
1685        <spanx style="strong">| <x:ref>x_parse-xml</x:ref></spanx>
1686        <spanx style="strong">| <x:ref>x_ref</x:ref></spanx>
1687        <spanx style="strong">| <x:ref>x_span</x:ref></spanx>
1688        <spanx style="strong">| <x:ref>x_x</x:ref></spanx>)*
1689    }
1690
1691  <spanx># Redefine &lt;c> to allow our extension elements</spanx>
1692  c =
1693    element c {
1694      attlist.c,
1695      (TEXT
1696        | xref
1697        | eref
1698        | iref
1699        | cref
1700        | spanx
1701        <spanx style="strong">| <x:ref>x_ref</x:ref></spanx>)*
1702    }
1703
1704  <spanx># Redefine &lt;cref> to allow more child elements</spanx>
1705  cref =
1706    element cref {
1707      attlist.cref,
1708      (TEXT
1709        | eref)*
1710    }
1711
1712  <spanx># Redefine &lt;list> element to allow &lt;x:<x:ref>lt</x:ref>> child elements</spanx>
1713  \list =
1714    element list {
1715      attlist.list,
1716      (t+ <spanx style="strong">| <x:ref>x_lt</x:ref>+</spanx>)
1717    }   
1718   
1719  <spanx># Redefine &lt;preamble> to allow our extension elements</spanx>
1720  preamble =
1721    element preamble {
1722      attlist.preamble,
1723      (TEXT
1724        | xref
1725        | eref
1726        | iref
1727        | cref
1728        | spanx
1729        <spanx style="strong">| <x:ref>x_anchor-alias</x:ref></spanx>)*
1730    }
1731
1732  <spanx># Redefine &lt;postamble> to allow our extension elements</spanx>
1733  postamble =
1734    element postamble {
1735      attlist.postamble,
1736      (TEXT
1737        | xref
1738        | eref
1739        | iref
1740        | cref
1741        | spanx
1742        <spanx style="strong">| <x:ref>x_bcp14</x:ref></spanx>)*
1743    }
1744
1745  <spanx># Redefine &lt;reference> to allow our extension elements</spanx>
1746  reference =
1747    element reference {
1748      attlist.reference,
1749      front,
1750      seriesInfo*,
1751      format*,
1752      annotation*,
1753      <spanx style="strong"><x:ref>x_source</x:ref>?</spanx>
1754    }
1755
1756  <spanx># Redefine &lt;rfc> to allow our extension elements</spanx>
1757  rfc =
1758    element rfc {
1759      attlist.rfc,
1760      <spanx style="strong"><x:ref>x_link</x:ref>*,</spanx>
1761      <spanx style="strong"><x:ref>x_assign-section-number</x:ref>*,</spanx>
1762      front,
1763      middle,
1764      back?
1765    }
1766
1767  <spanx># Redefine &lt;section> to allow our extension elements</spanx>
1768  section =
1769    element section {
1770      attlist.section,
1771      (t
1772       | figure
1773       | texttable
1774       | iref
1775       | section
1776       <spanx style="strong">| <x:ref>x_anchor-alias</x:ref></spanx>
1777       <spanx style="strong">| <x:ref>x_blockquote</x:ref></spanx>
1778       <spanx style="strong">| <x:ref>x_include-author</x:ref></spanx>
1779       <spanx style="strong">| <x:ref>x_note</x:ref></spanx>
1780       <spanx style="strong">| <x:ref>rdf_Description</x:ref></spanx>)*
1781    }
1782
1783  <spanx># Redefine &lt;spanx> to allow some markup</spanx>
1784  spanx =
1785    element spanx {
1786      attlist.spanx,
1787      (TEXT
1788        <spanx style="strong">| iref</spanx>
1789        <spanx style="strong">| xref</spanx>
1790        <spanx style="strong">| <x:ref>x_ref</x:ref></spanx>)*
1791    }
1792
1793  <spanx># Redefine &lt;t> to allow our extension elements</spanx>
1794  t =
1795    element t {
1796      attlist.t,
1797      (TEXT
1798       | \list
1799       | figure
1800       | xref
1801       | eref
1802       | iref
1803       | cref
1804       | spanx
1805       | vspace
1806       <spanx style="strong">| <x:ref>x_abnf-char-sequence</x:ref></spanx>
1807       <spanx style="strong">| <x:ref>x_anchor-alias</x:ref></spanx>
1808       <spanx style="strong">| <x:ref>x_bcp14</x:ref></spanx>
1809       <spanx style="strong">| <x:ref>x_dfn</x:ref></spanx>
1810       <spanx style="strong">| <x:ref>x_h</x:ref></spanx>
1811       <spanx style="strong">| <x:ref>x_q</x:ref></spanx>
1812       <spanx style="strong">| <x:ref>x_ref</x:ref></spanx>
1813       <spanx style="strong">| <x:ref>x_sup</x:ref></spanx>)*
1814    }
1815}
1816
1817<spanx># Allow x:indent-with attribute on &lt;artwork></spanx>
1818attlist.artwork &amp;=
1819  attribute x:indent-with { ATEXT }?
1820
1821<spanx># Allow anchor attribute on &lt;author></spanx>
1822attlist.author &amp;=
1823  attribute anchor { xsd:ID }?
1824 
1825  <spanx># Extend attribute set for &lt;iref> (see <xref target="ext-rfc2629.iref"/>)</spanx>
1826attlist.iref &amp;=
1827  attribute x:for-anchor { ATEXT }?
1828
1829<spanx># Extend attribute set for &lt;list> (see <xref target="ext-rfc2629.list"/>)</spanx>
1830attlist.list &amp;=
1831  attribute x:indent { ATEXT }?
1832
1833<spanx># Extend attribute set for &lt;preamble></spanx>
1834attlist.preamble &amp;=
1835  attribute anchor { xsd:ID }?
1836
1837<spanx># Extend attribute set for &lt;rfc></spanx>
1838attlist.rfc &amp;=
1839  attribute grddl:transformation { ATEXT }?,
1840  attribute x:maturity-level { "proposed" | "draft" | "internet" }?
1841
1842<spanx># Extend attribute set for &lt;section> (see <xref target="ext-rfc2629.section"/>)</spanx>
1843attlist.section &amp;=
1844  attribute x:fixed-section-number { ATEXT }?
1845
1846<spanx># Allow anchor attribute on &lt;spanx></spanx>
1847attlist.spanx &amp;=
1848  attribute anchor { xsd:ID }?
1849
1850<spanx># Extend attribute set for &lt;xref> (see <xref target="ext-rfc2629.xref"/>)</spanx>
1851attlist.xref &amp;=
1852  attribute x:fmt  { "()" | "," | "anchor" | "of" | "number" | "sec" |
1853                     "none" }?,
1854  attribute x:rel  { ATEXT }?,
1855  attribute x:sec  { ATEXT }?
1856
1857<spanx anchor="x_abnf-char-sequence"><iref item="abnf-char-sequence Extension Element"/><iref item="Extension Elements" subitem="abnf-char-sequence"
1858/># Conversion to ABNF char sequence (see <xref target="ext.element.abnf-char-sequence"/>)</spanx>
1859<x:ref>x_abnf-char-sequence</x:ref> =
1860  element x:abnf-char-sequence {
1861    TEXT
1862  }
1863
1864<spanx anchor="x_anchor-alias"><iref item="anchor-alias Extension Element"/><iref item="Extension Elements" subitem="anchor-alias"
1865/># Aliasing of anchors (see <xref target="ext.element.anchor-alias"/>)</spanx>
1866<x:ref>x_anchor-alias</x:ref> =
1867  element x:anchor-alias {
1868    attribute value { TEXT },
1869    empty
1870  }
1871
1872<spanx anchor="x_include-author"><iref item="include-author Extension Element"/><iref item="Extension Elements" subitem="include-author"
1873/># Including Author information
1874# (experimental)</spanx>
1875<x:ref>x_include-author</x:ref> =
1876  element x:include-author {
1877    attribute target { xsd:IDREF }
1878  }
1879
1880<spanx anchor="x_assign-section-number"><iref item="assign-section-number Extension Element"/><iref item="Extension Elements" subitem="assign-section-number"
1881/># Setting section numbers for internally generated sections
1882# (experimental)</spanx>
1883<x:ref>x_assign-section-number</x:ref> =
1884  element x:assign-section-number {
1885    attribute builtin-target { "authors" },
1886    attribute number { TEXT },
1887    empty
1888  }
1889
1890<spanx anchor="x_bb"><iref item="bb Extension Element"/><iref item="Extension Elements" subitem="bb"
1891/># Bottom line of box drawing (see <xref target="ext.element.bb"/>)</spanx>
1892<x:ref>x_bb</x:ref> =
1893  element x:bb {
1894    (TEXT
1895      | iref
1896      | xref
1897      | <x:ref>x_bb</x:ref>
1898      | <x:ref>x_bc</x:ref>
1899      | <x:ref>x_bt</x:ref>
1900      | <x:ref>x_ref</x:ref>)*
1901  }
1902
1903<spanx anchor="x_bc"><iref item="bc Extension Element"/><iref item="Extension Elements" subitem="bc"
1904/># Center line of box drawing (see <xref target="ext.element.bc"/>)</spanx>
1905<x:ref>x_bc</x:ref> =
1906  element x:bc {
1907    (TEXT
1908      | iref
1909      | xref
1910      | <x:ref>x_bb</x:ref>
1911      | <x:ref>x_bc</x:ref>
1912      | <x:ref>x_bt</x:ref>
1913      | <x:ref>x_ref</x:ref>)*
1914  }
1915
1916<spanx anchor="x_bcp14"><iref item="bcp14 Extension Element"/><iref item="Extension Elements" subitem="bcp14"
1917/># BCP14/RFC2119 keywords (see <xref target="ext.element.bcp14"/>)</spanx>
1918<x:ref>x_bcp14</x:ref> =
1919  element x:bcp14 {
1920    "MAY"
1921    | "MUST"
1922    | "MUST NOT"
1923    | "NOT RECOMMENDED"
1924    | "OPTIONAL"
1925    | "RECOMMENDED"
1926    | "REQUIRED"
1927    | "SHALL"
1928    | "SHALL NOT"
1929    | "SHOULD"
1930    | "SHOULD NOT"
1931  }
1932 
1933<spanx anchor="x_blockquote"><iref item="blockquote Extension Element"/><iref item="Extension Elements" subitem="blockquote"
1934/># Blockquote (see <xref target="ext.element.blockquote"/>)</spanx>
1935<x:ref>x_blockquote</x:ref> =
1936  element x:blockquote {
1937    attribute cite { URI }?,
1938    t+
1939  }
1940
1941<spanx anchor="x_bt"><iref item="bt Extension Element"/><iref item="Extension Elements" subitem="bt"
1942/># Top line of box drawing (see <xref target="ext.element.bt"/>)</spanx>
1943<x:ref>x_bt</x:ref> =
1944  element x:bt {
1945    (TEXT
1946      | iref
1947      | xref
1948      | <x:ref>x_bb</x:ref>
1949      | <x:ref>x_bc</x:ref>
1950      | <x:ref>x_bt</x:ref>
1951      | <x:ref>x_ref</x:ref>)*
1952  }
1953
1954<spanx anchor="x_dfn"><iref item="dfn Extension Element"/><iref item="Extension Elements" subitem="dfn"
1955/># Definition (see <xref target="ext.element.dfn"/>)</spanx>
1956<x:ref>x_dfn</x:ref> =
1957  element x:dfn {
1958    attribute anchor { xsd:ID }?,
1959    (TEXT
1960      | iref)*
1961  }
1962 
1963<spanx anchor="x_h"><iref item="h Extension Element"/><iref item="Extension Elements" subitem="h"
1964/># Heading (see <xref target="ext.element.h"/>)</spanx>
1965<x:ref>x_h</x:ref> =
1966  element x:h {
1967    TEXT
1968  }
1969
1970<spanx anchor="x_highlight"><iref item="highlight Extension Element"/><iref item="Extension Elements" subitem="highlight"
1971/># Heading (see <xref target="ext.element.highlight"/>)</spanx>
1972<x:ref>x_highlight</x:ref> =
1973  element x:highlight {
1974    TEXT
1975  }
1976
1977<spanx anchor="x_length-of"><iref item="length-of Extension Element"/><iref item="Extension Elements" subitem="length-of"
1978/># Length Measurement (see <xref target="ext.element.length-of"/>)</spanx>
1979<x:ref>x_length-of</x:ref> =
1980  element x:length-of {
1981    attribute indented { NUMBER }?,
1982    attribute target { xsd:IDREF },
1983    empty
1984  }
1985
1986<spanx anchor="x_link"><iref item="link Extension Element"/><iref item="Extension Elements" subitem="link"
1987/># Link (see <xref target="ext.element.link"/>)</spanx>
1988<x:ref>x_link</x:ref> =
1989  element x:link {
1990    attribute href { URI },
1991    attribute title { TEXT }?,
1992    attribute rel { TEXT },
1993    empty
1994  }
1995 
1996<spanx anchor="x_lt"><iref item="lt Extension Element"/><iref item="Extension Elements" subitem="lt"
1997/># Extended list item (see <xref target="ext.element.lt"/>)</spanx>
1998<x:ref>x_lt</x:ref> =
1999  element x:lt {
2000    attribute anchor { xsd:ID }?,
2001    attribute hangText { TEXT }?,
2002    t+
2003  }
2004
2005<spanx anchor="x_note"><iref item="note Extension Element"/><iref item="Extension Elements" subitem="note"
2006/># Note (see <xref target="ext.element.note"/>)</spanx>
2007<x:ref>x_note</x:ref> =
2008  element x:note {
2009    t+
2010  }
2011
2012<spanx anchor="x_parse-xml"><iref item="parse-xml Extension Element"/><iref item="Extension Elements" subitem="parse-xml"
2013/># Signal XML content (see <xref target="ext.element.parse-xml"/>)</spanx>
2014<x:ref>x_parse-xml</x:ref> =
2015  element x:parse-xml {
2016    TEXT
2017  }
2018
2019<spanx anchor="x_q"><iref item="q Extension Element"/><iref item="Extension Elements" subitem="q"
2020/># Inline quote (see <xref target="ext.element.q"/>)</spanx>
2021<x:ref>x_q</x:ref> =
2022  element x:q {
2023    TEXT
2024  }
2025
2026<spanx anchor="x_ref"><iref item="ref Extension Element"/><iref item="Extension Elements" subitem="ref"
2027/># Anchor reference (see <xref target="ext.element.ref"/>)</spanx> 
2028<x:ref>x_ref</x:ref> =
2029  element x:ref {
2030    TEXT
2031  }
2032
2033<spanx anchor="x_source"><iref item="source Extension Element"/><iref item="Extension Elements" subitem="source"
2034/># source information (see <xref target="ext.element.source"/>)</spanx> 
2035<x:ref>x_source</x:ref> =
2036  element x:source {
2037    attribute basename { ATEXT }?,
2038    attribute href { URI },
2039    empty
2040  }
2041
2042<spanx anchor="x_sup"><iref item="sup Extension Element"/><iref item="Extension Elements" subitem="sup"
2043/># superscript (see <xref target="ext.element.sup"/>)</spanx>
2044<x:ref>x_sup</x:ref> =
2045  element x:sup {
2046    TEXT
2047  }
2048
2049<spanx anchor="x_span"><iref item="span Extension Element"/><iref item="Extension Elements" subitem="span"
2050/># Inline Span <!--(see <xref target="ext.element.span"/>)--></spanx>
2051<x:ref>x_span</x:ref> =
2052  element x:span {
2053    attribute anchor { xsd:ID }?,
2054    (TEXT
2055      | <x:ref>x_parse-xml</x:ref>)*
2056  }
2057
2058<spanx anchor="x_x"><iref item="x Extension Element"/><iref item="Extension Elements" subitem="x"
2059/># Nop (for alignment in source)</spanx>
2060<x:ref>x_x</x:ref> =
2061  element x:x {
2062    empty
2063  }
2064
2065<spanx anchor="rdf_Description"><iref item="rdf:Description Extension Element"/><iref item="Extension Elements" subitem="rdf:Description"
2066/># Embed RDF statements </spanx>
2067<x:ref>rdf_Description</x:ref> =
2068  element rdf:Description {
2069    rdf_content
2070  }
2071 
2072rdf_content =
2073  ( TEXT | element * { rdf_content })*
2074</artwork></figure>
2075  </section>
2076 
2077  <section title="Implementation Notes">
2078 
2079  <section title="Recognized type attributes for &lt;artwork> element">
2080  <t>
2081    Specific values in the &lt;artwork> element's "type" attribute are
2082    recognized and cause a different visual style to be used:
2083  </t>
2084  <texttable>
2085    <ttcol>Media Type</ttcol>
2086    <ttcol>Comment</ttcol>
2087   
2088    <c>abnf</c><c>ABNF as per <xref target="RFC5234"/></c>
2089    <c>abnf2616</c><c>ABNF as per <xref target="RFC2616" x:fmt="," x:sec="2.1" /></c>
2090    <c>application/relax-ng-compact-syntax</c><c>Relax NG Compact Syntax as per <xref target="RNC"/></c>
2091    <c>application/xml-dtd</c><c>XML DTD</c>
2092    <c>message/http; msgtype="request"</c><c>HTTP message, as per <xref target="RFC2616" x:fmt="," x:sec="19.1" /></c>
2093    <c>message/http; msgtype="response"</c><c>HTTP message, as per <xref target="RFC2616" x:fmt="," x:sec="19.1" /></c>
2094  </texttable>
2095  </section>
2096 
2097  </section>
2098 
2099  <section title="License" anchor="license">
2100  <t>
2101Copyright (c) 2006-2008, Julian Reschke (julian.reschke@greenbytes.de)
2102  </t>
2103  <t>
2104All rights reserved.
2105  </t>
2106  <t>
2107Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
2108  <list style="symbols">
2109    <t>Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.</t>
2110    <t>Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.</t>
2111    <t>Neither the name of Julian Reschke nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.</t>
2112  </list>
2113  </t>
2114  <t>
2115THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2116  </t>
2117  </section>
2118
2119  <section title="Change Logs">
2120   
2121 
2122    <section title="Package">
2123      <t><list style="hanging">
2124<t hangText="2006-01-01">
2125    Switch to BSD License.
2126</t>
2127<t hangText="2007-01-12">
2128    Update to xml2rfc v1.33pre2.
2129</t>
2130<t hangText="2007-03-31">
2131    Update to xml2rfc v1.33pre3.
2132</t>
2133<t hangText="2007-05-01">
2134    Add XSLT test cases.
2135</t>
2136<t hangText="2008-07-18">
2137    Experimental support for inlined rdf:Description elements (ignored
2138    by the formatter, extracted by rfc2629grddl).
2139</t>
2140<t hangText="2008-12-04">
2141    Update to xml2rfc v1.34pre2.
2142</t>
2143      </list></t>
2144    </section>
2145   
2146    <section title="amazon-asin.xslt">
2147    <t><list style="hanging">
2148<t hangText="2003-11-16">
2149     Initial release.
2150</t>
2151<t hangText="2005-04-02">
2152     Fix two DTD issues.
2153</t>
2154    </list></t>
2155    </section>
2156
2157    <section title="check-references.xslt">
2158    <t><list style="hanging">
2159<t hangText="2003-11-16">
2160     Initial release.
2161</t>
2162<t hangText="2004-05-11">
2163     Add document status; print references type.
2164</t>
2165<t hangText="2005-01-01">
2166     Add experimental check for ID status.
2167</t>
2168<t hangText="2005-04-01">
2169     Add fixes from Bill Fenner.
2170</t>
2171<t hangText="2005-12-03">
2172    Add checks against local copy of <eref target="http://www.w3.org/2002/01/tr-automation/tr.rdf"/>
2173</t>
2174<t hangText="2006-07-22">
2175    Add checks for standards levels.
2176</t>
2177<t hangText="2006-08-06">
2178    "check-ietf-references.xslt" replaced by "check-references.xslt".
2179</t>
2180<t hangText="2007-01-04">
2181    Use information online at <eref target="http://tools.ietf.org/"/> to
2182    retrieve Internet-Draft status information.
2183</t>
2184<t hangText="2007-06-16">
2185    Fix bug looking up ref type when inside change markup.
2186</t>
2187<t hangText="2008-06-14">
2188    Enhance output when draft was updated, and then published as RFC.
2189</t>
2190<t hangText="2008-07-12">
2191    Add XSLT2-based link target checking.
2192</t>
2193<t hangText="2008-08-10">
2194    Change keywords for "intended-level" to proposed/draft/internet,
2195    optionall extract intended level from /rfc/@x:maturity-level attribute.
2196</t>
2197    </list></t>
2198    </section>
2199   
2200    <section title="gen-reference-graph.xslt">
2201    <t><list style="hanging">
2202<t hangText="2006-09-03">
2203  New.
2204</t>
2205<t hangText="2007-06-07">
2206  Use <eref target="http://dpcarlisle.blogspot.com/2007/05/exslt-node-set-function.html">Carlisle method</eref> to define exslt:node-set in
2207  msxsml (which means that the stylesheet can now be used with MSXML as well).
2208</t>
2209<t hangText="2007-10-15">
2210  Use W3C data from tr.rdf as well (experimental).
2211</t>
2212    </list></t>
2213    </section>
2214
2215    <section title="rfc2629.xslt">
2216      <t><list style="hanging">
2217<t hangText="2001-03-28">
2218    Code rearranged, generate numbered section anchors for paragraphs (t)
2219    as well. Fixes in index handling.
2220</t>
2221<t hangText="2001-04-12">
2222    Moved HTML output into XHTML namespace.
2223</t>
2224<t hangText="2001-10-02">
2225    Fixed default location for RFCs and numbering of section references.
2226    Support ?rfc editing processing instruction.
2227</t>
2228<t hangText="2001-10-07">
2229    Made telephone number links active.
2230</t>
2231<t hangText="2001-10-08">
2232    Support for vspace element.
2233</t>
2234<t hangText="2001-10-09">
2235    Experimental support for rfc-issue PI.
2236</t>
2237<t hangText="2001-11-11">
2238    Support rfc private PI. Removed bogus code reporting the WG in the header.
2239</t>
2240<t hangText="2001-11-11">
2241    Support rfc private PI. Removed bogus code reporting the WG in the header.
2242</t>
2243<t hangText="2001-12-17">
2244    Support title attribute on references element
2245</t>
2246<t hangText="2002-01-05">
2247    Support for list/@style="@format"
2248</t>
2249<t hangText="2002-01-09">
2250    Display "closed" RFC issues as deleted
2251</t>
2252<t hangText="2002-01-14">
2253    Experimentally and optionally parse XML encountered in artwork elements
2254    (requires MSXSL).
2255</t>
2256<t hangText="2002-01-27">
2257    Some cleanup. Moved RFC issues from PIs into namespaced elements.
2258</t>
2259<t hangText="2002-01-29">
2260    Added support for sortrefs PI. Added support for figure names.
2261</t>
2262<t hangText="2002-02-07">
2263    Highlight parts of artwork which are too wide (72 characters).
2264</t>
2265<t hangText="2002-02-12">
2266    Code rearrangement for static texts. Fixes for section numbering.
2267    TOC generation rewritten.
2268</t>
2269<t hangText="2002-02-15">
2270    Support for irefs in sections; support iref @primary=true
2271</t>
2272<t hangText="2002-03-03">
2273    Moved anchor prefix into a constant. Added sanity checks on user anchor
2274    names.
2275</t>
2276<t hangText="2002-03-23">
2277    Bugfix in detection of matching org names when creating the header. Fixed
2278    sorting in subitems.
2279</t>
2280<t hangText="2002-04-02">
2281    Fix TOC link HTML generation when no TOC is generated (created broken
2282    HTML table code).
2283</t>
2284<t hangText="2002-04-03">
2285    Made rendering of references more tolerant re: missing parts.
2286</t>
2287<t hangText="2002-04-08">
2288    Fixed reference numbering when references are split into separate sections.
2289</t>
2290<t hangText="2002-04-16">
2291    Fix default namespace (shouldn't be set for HTML output method).
2292</t>
2293<t hangText="2002-04-19">
2294    Lowercase internal CSS selectors for Mozilla compliance. Do not put TOC
2295    into ul element.
2296</t>
2297<t hangText="2002-04-21">
2298    Make numbered list inside numbered lists use alphanumeric numbering.
2299</t>
2300<t hangText="2002-05-05">
2301    Updated issue/editing support.
2302</t>
2303<t hangText="2002-05-15">
2304    Bugfix for section numbering after introduction of ed:replace
2305</t>
2306<t hangText="2002-06-21">
2307    When producing private documents, do not include document status, copyright etc.
2308</t>
2309<t hangText="2002-07-08">
2310    Fix xrefs to Appendices.
2311</t>
2312<t hangText="2002-07-19">
2313    Make artwork lightyellow for easier reading. (fielding)
2314</t>
2315<t hangText="2002-10-09">
2316    Translate references title to anchor name to avoid non-uri characters. (fielding)
2317</t>
2318<t hangText="2002-10-13">
2319    Support for tocdepth PI.
2320</t>
2321<t hangText="2002-11-03">
2322    Added temporariry workaround for Mozilla/Transformiix result tree fragment problem.
2323    (search for 'http://bugzilla.mozilla.org/show_bug.cgi?id=143668')
2324</t>
2325<t hangText="2002-12-25">
2326    xref code: attempt to uppercase "section" and "appendix" when at the start
2327    of a sentence.
2328</t>
2329<t hangText="2003-02-02">
2330    fixed code for vspace blankLines="0", enhanced display for list with "format" style,
2331    got rid of HTML blockquote elements, added support for "hangIndent"
2332</t>
2333<t hangText="2003-04-10">
2334    experimental support for appendix and spanx elements
2335</t>
2336<t hangText="2003-04-19">
2337    fixed counting of list numbers in "format %" styles (one counter
2338    per unique format string). Added more spanx styles.
2339</t>
2340<t hangText="2003-05-02">
2341    experimental texttable support
2342</t>
2343<t hangText="2003-05-02">
2344    Make mailto links optional (default = none) (jre: default and PI name changed) (fielding)
2345</t>
2346<t hangText="2003-05-04">
2347    experimental support for HTML link elements; fix default for table header
2348    alignment default
2349</t>
2350<t hangText="2003-05-06">
2351    support for "background" PI.
2352</t>
2353<t hangText="2003-05-11">
2354    change %c format to lowercase alphabetic. add support for keyword
2355    elements (generate META tag). fix various HTML conformance problems.
2356    added experimental support for role attribute. do not number paragraphs
2357    in unnumbered sections. update boilerplate texts. support for
2358    "iprnotified" PI. bugfix list numbering. strip whitespace when
2359    building tel: URIs.
2360</t>
2361<t hangText="2003-05-12">
2362    more conformance fixes (layout moved into CSS, move lists and figures
2363    out of para content, do not use tables for list formatting)
2364</t>
2365<t hangText="2003-05-13">
2366    add DC.Creator meta tag, refactoring
2367</t>
2368<t hangText="2003-05-16">
2369    put nbsps between "section" and section number (xref).
2370</t>
2371<t hangText="2003-05-18">
2372    author summary: add missing comma.
2373</t>
2374<t hangText="2003-06-06">
2375    fix index generation bug (transposed characters in key generation). Enhance
2376    sentence start detection (xref starting a section was using lowercase
2377    "section").
2378</t>
2379<t hangText="2003-06-22">
2380    exp. support for xref/@format. Add missing support for eref w/o content.
2381    exp. support for annotations in reference elements. Code cleanup
2382    reference table formatting.
2383</t>
2384<t hangText="2003-07-09">
2385    Another fix for DC.Creator meta tag creation based on RFC2731
2386</t>
2387<t hangText="2003-07-24">
2388    Fix namespace name for DC.Creator.
2389</t>
2390<t hangText="2003-08-06">
2391    Cleanup node-set support (only use exslt (saxon, xalan, libxslt) extension
2392    functions; remove Transformix workarounds that stopped to work in Moz 1.4)
2393</t>
2394<t hangText="2003-08-09">
2395    Generate HTML lang tag.
2396</t>
2397<t hangText="2003-08-10">
2398    Map spanx/verb to HTML "samp" element. Fix author name display in
2399    references (reverse surname/initials for last author), add "Ed.".
2400    Fix internal bookmark generation.
2401</t>
2402<t hangText="2003-08-17">
2403    Add DCMI dates, identifiers and abstract. Add PI to suppress DCMI
2404    generation.  Do not add TOC entry to Copyright Statement when there is
2405    none. Align RFC2629 PI names and parameter names. Change style for
2406    inline URIs generated by eref. Add header and footer support.
2407    Enhance CSS paging properties. Support topblock PI. Added hooks for
2408    proper XHTML generation through separate XSLT. Enhance warning and
2409    error messages. Add support for artwork image display. Table formatting
2410    fixes (borders, thead continuation).
2411</t>
2412<t hangText="2003-08-18">
2413    Add workaround for MSXML4 node-set and Mozilla node-set issues (fallback
2414    just displays are warning).
2415</t>
2416<t hangText="2003-10-06">
2417    Add workaround for broken pre/ins handling in Mozilla
2418    (see <eref target="http://bugzilla.mozilla.org/show_bug.cgi?id=204401"/>). Make use
2419    of cite attribute on ed:replace. CSS cleanup.
2420</t>
2421<t hangText="2003-10-08">
2422    Fix minor issue detecting the same org for the header (caused by IE's
2423    non-standard whitespace handling). Fix default handling for /rfc/@category.
2424</t>
2425<t hangText="2003-11-09">
2426    Inherit ed:entered-by from ancestor elements. Change CSS color for inserted
2427    text to green. Generate issues-list anchor. Do not complain about missing
2428    targets when the xref element is below ed:del. Remove code that attempted
2429    to distinguish section/Section when producing links - always use
2430    uppercase. Fix date rendering for issue resolutions.
2431</t>
2432<t hangText="2003-11-29">
2433    Fix color values for table backgrounds for issue rendering. Change
2434    rendering of issue links to use inline-styles. Add colored issue markers to
2435    issues.
2436</t>
2437<t hangText="2003-12-13">
2438    Fix inheritance of ed:entered-by attribute. Display note elements inside
2439    change tracking as well.
2440</t>
2441<t hangText="2004-01-18">
2442    When PI compact = 'yes', make most CSS print page breaks conditional.
2443</t>
2444<t hangText="2004-02-20">
2445    Support for RFC3667 IPR changes (xml2rfc 1.22); see
2446    <eref target="http://lists.xml.resource.org/pipermail/xml2rfc/2004-February/001088.html"/>.
2447</t>
2448<t hangText="2004-03-11">
2449    Add "(if approved)" to "updates" and "obsoletes" unless the document has
2450    an RFC number.
2451</t>
2452<t hangText="2004-04-01">
2453    Fix RFC3667 output, see <eref target="http://lists.xml.resource.org/pipermail/xml2rfc/2004-April/001208.html"/>.
2454</t>
2455<t hangText="2004-04-04">
2456    Add support for section/top attribute. Move references into plain
2457    section container.
2458</t>
2459<t hangText="2004-04-06">
2460    Do not emit identical para anchors for deleted content.
2461</t>
2462<t hangText="2004-04-14">
2463    Fix references TOC generation when there are no references.
2464</t>
2465<t hangText="2004-04-24">
2466    Fix RFC3667 output, see <eref target="http://xml.resource.org/pipermail/xml2rfc/2004-April/001246.html"/>.
2467</t>
2468<t hangText="2004-05-09">
2469    Add custom support for generating compound index documents. Add anchors
2470    for each Index letter. Add experimental cref support. Fix conditional page
2471    breaks before References section.
2472</t>
2473<t hangText="2004-05-16">
2474    Refactor external index generation.
2475</t>
2476<t hangText="2004-05-20">
2477    Rewrite anchor generation for comments.
2478</t>
2479<t hangText="2004-05-22">
2480    Enhance issues rendering (add links to changes).
2481</t>
2482<t hangText="2004-05-30">
2483    Allow single quote as delimiter in processing instructions as well. Move
2484    block-level issue pointers to floats. Disable issue pointers for print
2485    media. Add "purple numbers". Add hrefs to section headings. Add non-printing
2486    index key letter list to start of index.
2487</t>
2488<t hangText="2004-06-01">
2489    Use &amp;#xb6; instead of # for PNs.
2490</t>
2491<t hangText="2004-07-18">
2492    Add support for list style=letters (thanks Roy F.). Make PNs optional;
2493    add new PI.
2494</t>
2495<t hangText="2004-09-05">
2496    Fix index links into unnumbered sections.  Bring IPR boilerplate in-line
2497    with xml2rfc 1.25.  Add experimental CSS3 paged media support.  Various
2498    HTML fixes.
2499</t>
2500<t hangText="2004-09-21">
2501    Enhance checking of artwork width.
2502</t>
2503<t hangText="2004-09-26">
2504    Add check for unused references. Uppercase letters in list style letters
2505    when nested into another list.
2506</t>
2507<t hangText="2004-10-10">
2508    Fix internal change track pointers.
2509</t>
2510<t hangText="2004-11-01">
2511    Allow change tracking on references (as a whole).  Rewrite artwork handling
2512    so that it allows change tracking inside artwork.  Also allow a subset of
2513    text markup inside artwork, such as xrefs (note this requires post-processing
2514    the source to make it compliant to RFC2629bis).
2515</t>
2516<t hangText="2004-11-03">
2517    Enhanced placement of iref anchors.
2518</t>
2519<t hangText="2004-11-06">
2520    Index: display irefs that appeared (with primary=true) inside artwork elements
2521    in a monospaced font.
2522</t>
2523<t hangText="2004-11-14">
2524    Add special code so that changes in section titles can be change-tracked.
2525</t>
2526<t hangText="2005-01-14">
2527    Bugfixes for HtmlToXhtml converter.
2528</t>
2529<t hangText="2005-01-22">
2530    Enhance generation of HTML h* elements (for Mozilla Outliner).
2531</t>
2532<t hangText="2005-01-31">
2533    Put vertical space around top-level TOC entries in TOC.  Switch to
2534    pt-based CSS. Re-arrange top section. Make hr elements reflect new-page
2535    settings in TXT output (compact-PI).  Fix page number in footer (CSS
2536    print) and add some more experimental support for paged media (tested
2537    with Prince 4.1 alpha).  Rewrite TOC and Index generation to generate HTML
2538    lists.  Cleanup id generation for paragraphs.  Reduce whitespace in output.
2539    Fix vspace implementation. Use right/left dqoutes and copyright sign
2540    where appropriate.
2541</t>
2542<t hangText="2005-02-04">
2543    Add &lt;link> element to references section.  Fix newly introduced bug
2544    in references processing.
2545</t>
2546<t hangText="2005-02-05">
2547    Integrate various fixes/enhancements by Roy Fielding: spelling of
2548    "Authors' Addresses", comma setting in references, position of "Authors"
2549    section, optionally place authors addresses at end (PI), trailing dots
2550    in section numbers, switch to verdana default font in CSS.  Add
2551    experimental support for centered artwork.
2552</t>
2553<t hangText="2005-02-09">
2554    Fixes in spacing and links of references section titles.  Enhance sorting
2555    in references when change tracking is in place.  Re-add figure centering
2556    support.  Add missing 2nd part of "Author's Adresses" fix.
2557</t>
2558<t hangText="2005-02-25">
2559    Align section number format with xml2rfc1.29.
2560</t>
2561<t hangText="2005-03-28">
2562    Get rid of table elements in Author's section.  Add experimental hCard
2563    (<eref target="http://developers.technorati.com/wiki/hCard"/>) support.
2564</t>
2565<t hangText="2005-04-03">
2566    Add RFC3978-style IPR statement support. (fenner@research.att.com)
2567</t>
2568<t hangText="2005-04-11">
2569    Cleanup author display. hCard related fixes.
2570</t>
2571<t hangText="2005-05-07">
2572    Minor fixes to allow change tracking in doc title.  Add experimental
2573    support for table border styles. CSS cleanup.
2574</t>
2575<t hangText="2005-06-18">
2576    Implement missing support for references to texttables.
2577</t>
2578<t hangText="2005-09-25">
2579    Use (-moz-)column-count when printing the index.
2580</t>
2581<t hangText="2005-10-04">
2582    Report missing element templates with xsl:message.
2583</t>
2584<t hangText="2005-10-15">
2585    Process t/@anchor.
2586</t>
2587<t hangText="2005-10-23">
2588    More workarounds for Mozilla's broken del/ins handling (this time for
2589    figures).
2590</t>
2591<t hangText="2005-10-27">
2592    lowercase hCard class names
2593</t>
2594<t hangText="2005-11-22">
2595    Enhance diagnostics for XML-in-artwork extension
2596</t>
2597<t hangText="2005-11-26">
2598    Fix formatting of section numbers for sections inserted into &lt;back>.
2599</t>
2600<t hangText="2005-12-12">
2601    Fix some validity problems when change tracking occured inside lists.
2602</t>
2603<t hangText="2005-12-18">
2604    Add change tracking inside the index.
2605</t>
2606<t hangText="2006-02-04">
2607    Add prev/next links to highlighted changes (change tracking extension).
2608</t>
2609<t hangText="2006-02-10">
2610    Catch errors instantiating MSXML component.
2611</t>
2612<t hangText="2006-02-11">
2613    References: add "work in progress" for Internet Drafts.
2614</t>
2615<t hangText="2006-02-27">
2616    Fix front matter (lowercase Internet-Draft, say "Intended status" for
2617    non-RFC documents). Start work on experimental extension for 
2618    simplified internal links.
2619</t>
2620<t hangText="2006-03-19">
2621    Tweaks to IESG Copyright stuff; support submissionType attribute.
2622    Fix duplicate reference anchors in HTML output.  Reduce HTML Tidy warnings.
2623    Fix reference to normative ASCII version (now requires trailing ".txt").
2624    Tweaks to hCard generation.  Started to move non-issue-tracking
2625    extensions into namespace "http://purl.org/net/xml2rfc/ext".
2626</t>
2627<t hangText="2006-03-27">
2628    Moved "simple reference" extension into namespace "http://purl.org/net/xml2rfc/ext"
2629    and add documentation.  HTML conformance enhancements.
2630</t>
2631<t hangText="2006-04-02">
2632    Cleanup special code for automated XHTML XSLT generation.
2633</t>
2634<t hangText="2006-04-21">
2635    Generate &lt;CITE> elements where appropiate.
2636    Introduce x:blockquote, x:dfn, x:h and x:q elements.
2637</t>
2638<t hangText="2006-05-06">
2639    Introduce x:bcp14 element.
2640</t>
2641<t hangText="2006-05-14">
2642  Fix content model for x:blockquote.
2643</t>
2644<t hangText="2006-06-18">
2645  Add box drawing support (x:bt, x:bc, x:bb).
2646</t>
2647<t hangText="2006-06-20">
2648  HTML validity fixes (legal chars in anchors in index).
2649</t>
2650<t hangText="2006-06-24">
2651  Reduce leading empty lines in artwork. Move &lt;dt> style info into CSS.
2652</t>
2653<t hangText="2006-07-14">
2654  Fix rendering of multiple street address entries (missing line break).
2655</t>
2656<t hangText="2006-07-24">
2657  Add extension for deep linking into RFCs, do not generate empty list
2658  items in TOC output, avoid empty &lt;dt> elements for list items
2659  without hangText attribute.
2660</t>
2661<t hangText="2006-08-01">
2662  Allow @anchor on more elements; start work on Relax NG grammar for
2663  extensions. Reduce generated style elements (use CSS classes instead).
2664  Consistently use "id" instead of "name". Change default target for RFC
2665  links to "http://tools.ietf.org/html/rfcNNNN".
2666</t>
2667<t hangText="2006-08-06">
2668  Include appendices defined in &lt;appendix> elements in TOC (please
2669  consider them deprecated anyhow!). Generate links to
2670  "http://tools.ietf.org/html/draft-*" for Internet Drafts.
2671  Replace x:frag by x:rel, allowing any kind of relative reference instead
2672  of just fragments.
2673</t>
2674<t hangText="2006-08-30">
2675  Reduce textual differences between HTML output and what xml2rfc produces
2676  in TXT output mode (section refs/reference targets). Add small workaround
2677  for Opera 9.0.1's problem with node-set().
2678</t>
2679<t hangText="2006-10-29">
2680  Fix problem generating internal links to change markup within references
2681  section. Enhancements when generating numbered references for deleted
2682  references.
2683  Allow inclusion of references into the index (through include-references-in-index
2684  extension).
2685  Fix a bug that caused the newer version of the IETF boilerplate to be
2686  produced rather than the pre-RFC3667 one.
2687  Update to RFC4287 boilerplate.
2688</t>
2689<t hangText="2006-11-11">
2690  Add extension attribute x:for-anchor to &lt;iref&gt; handling.
2691</t>
2692<t hangText="2006-11-26">
2693  Experimental (and limited) support for &lt;x:lt&gt;.
2694</t>
2695<t hangText="2006-12-04">
2696  Fix bugs in processing documents that have both the ipr and the number attribute
2697  set on the rfc root element. Add support for x:fmt='none' on xrefs.
2698  Add different pre style based on artwork type attributes (experimental).
2699</t>
2700<t hangText="2006-12-13">
2701  Add x:fmt='anchor' for xref elements.
2702</t>
2703<t hangText="2007-01-07">
2704  Fix root template for compatibility for the exslt:node-set implementation
2705  in Firefox3.
2706</t>
2707<t hangText="2007-01-29">
2708  Avoid empty table entry in front matter when organization is not specified
2709  for an author.
2710</t>
2711<t hangText="2007-02-10">
2712  Allow change tracking in table rows.
2713</t>
2714<t hangText="2007-03-09">
2715  Add hcard profile URI (<eref target="http://www.w3.org/2006/03/hcard"/>) to head element.
2716  Add warning for misplaced &lt;t> elements (after section).
2717</t>
2718<t hangText="2007-03-21">
2719  Fix internal linking from reference entries in index for some xref types.
2720  Minor CSS tweaks contributed by MTR. Allow turning on text justification through
2721  a PI. Improve iref anchor generation to generate less instable anchors.
2722</t>
2723<t hangText="2007-03-28">
2724  Fixes for numbering of ed:inserted references sections.
2725</t>
2726<t hangText="2007-05-04">
2727  Do not generate anchors for edits in deleted sections. Enhance HTML
2728  conformance.
2729</t>
2730<t hangText="2007-05-19">
2731  Enhance diagnostics when using Saxon (needs Saxon's "-l" command line
2732  parameter to keep line number information). Add warning when symref PI
2733  is missing (default will change in the future).
2734  Add support for overriding computed section numbers (when formatting
2735  historic documents).
2736</t>
2737<t hangText="2007-06-07">
2738  Change default for symrefs PI to "yes" (see change in xml2rfc 1.33pre4).
2739  Warn about docName attributes that appear to contain a file extension.
2740</t>
2741<t hangText="2007-06-26">
2742  Workaround author/@initials values without trailing dot, as in xml2rfc.tcl.
2743</t>
2744<t hangText="2007-07-14">
2745  Enhance index generation for references that use @x:sec attribute.
2746</t>
2747<t hangText="2007-09-09">
2748  Fix: sortrefs is a nop when symrefs=no.
2749</t>
2750<t hangText="2007-10-17">
2751  Work in progress: add support for referencing sections in sibling
2752  documents by anchor name.
2753</t>
2754<t hangText="2007-10-17">
2755  Work in progress (continued): support for referencing sections in sibling
2756  documents by anchor name.
2757</t>
2758<t hangText="2007-12-31">
2759  Emit warning when updating/obsoleting stuff that's not referenced.
2760</t>
2761<t hangText="2008-02-03">
2762  Support xml2rfc-1.33pre5's suppress-title attribute on texttable and figure.
2763</t>
2764<t hangText="2008-02-06">
2765  Extension: allow &lt;eref> below &lt;cref>.
2766</t>
2767<t hangText="2008-02-17">
2768  Extensions: add x:span and x:length-of.
2769</t>
2770<t hangText="2008-02-20">
2771  Add new RFC boilerplate (as changed in 2007-08).
2772</t>
2773<t hangText="2008-02-27">
2774  Improve diagnostics for artwork width problems; add defaulting of publication
2775  dates (requires XSLT processor supporting exslt:date, or msxml).
2776</t>
2777<t hangText="2008-02-29">
2778  Enhance CSS for link elements in the front header, update rules for
2779  generating "Acknowledgment" statement.
2780</t>
2781<t hangText="2008-03-01">
2782  Use line numbers in diagnostics in Saxon8/9 as well.
2783</t>
2784<t hangText="2008-03-02">
2785  Fix a bug in the logic choosing the boilerplate, resulting in obsolete
2786  text being inserted into IDs.
2787</t>
2788<t hangText="2008-04-01">
2789  Add support for superscript element.
2790</t>
2791<t hangText="2008-06-28">
2792  Add sanity checks for email addresses, allow multiple email elements.
2793</t>
2794<t hangText="2008-07-06">
2795  Add x:abnf-char-sequence.
2796</t>
2797<t hangText="2008-08-21">
2798  Add x:note.
2799</t>
2800<t hangText="2008-09-06">
2801  Add experimental support for SVG images.
2802</t>
2803<t hangText="2008-09-17">
2804  Add experimental support for x:author. Fix xref/@format=none.
2805</t>
2806<t hangText="2008-10-10">
2807  Fix a huge bug, causing text content after an XML comment to be ignored.
2808</t>
2809      </list></t>
2810    </section>
2811    <section title="rfc2629toFO.xslt">
2812      <t><list style="hanging">
2813<t hangText="2003-11-16">
2814    Initial release.
2815</t>
2816<t hangText="2003-11-29">
2817    Enhance handling of unknown list styles.
2818</t>
2819<t hangText="2004-04-04">
2820    Update reference section handling.
2821</t>
2822<t hangText="2004-04-17">
2823    Use XSL-WD-1.1-style fo:bookmark and index handling and add postprocessors for
2824    existing implementations. Unify PDF info generation by using XEP (postprocessors)
2825    will convert.
2826</t>
2827<t hangText="2004-04-20">
2828    Add experimental cref support.
2829</t>
2830<t hangText="2004-06-14">
2831    Set correct index-item defaults.
2832</t>
2833<t hangText="2004-07-18">
2834    Add list style=letters.
2835</t>
2836<t hangText="2004-09-03">
2837    Make URLs in text break where they are allowed to break by inserting
2838    zero-width spaces.
2839</t>
2840<t hangText="2004-09-26">
2841    Fix letter-style inside nested lists.
2842</t>
2843<t hangText="2004-10-31">
2844    Update handling of artwork.
2845</t>
2846<t hangText="2004-11-13">
2847    Fix handling of references inside ed:* markup.  Fix whitespace handling
2848    in artwork.
2849</t>
2850<t hangText="2004-11-27">
2851    Irefs in artwork generate monospaced entries in index.
2852</t>
2853<t hangText="2005-01-31">
2854    Fix TOC generation that was broken after changes in main XSLT.
2855</t>
2856<t hangText="2005-02-05">
2857    Bring in sync with cosmetic changes in rfc2629.xslt.
2858</t>
2859<t hangText="2005-05-07">
2860    Minor fix for change tracking in document title.  Support for table
2861    styles.
2862</t>
2863<t hangText="2005-06-18">
2864    Fix references to tables.
2865</t>
2866<t hangText="2005-10-15">
2867    Process t/@anchor.
2868</t>
2869<t hangText="2006-02-11">
2870    References: add "work in progress" for Internet Drafts.
2871</t>
2872<t hangText="2006-06-02">
2873    Use XSL 1.1 WD Feb 2006.
2874</t>
2875<t hangText="2007-03-21">
2876    Support optional text justification.
2877</t>
2878<t hangText="2007-05-19">
2879    Various improvements in spacing; also allow overriding the automatic
2880    list indentation via list/x:indent.
2881</t>
2882     </list></t>
2883    </section>
2884
2885    <section title="xsl11toAn.xslt">
2886    <t><list style="hanging">
2887<t hangText="2004-05-17">
2888     Initial release.
2889</t>
2890<t hangText="2006-06-02">
2891    Use XSL 1.1 WD Feb 2006.
2892</t>
2893    </list></t>
2894    </section>
2895
2896    <section title="xsl11toFop.xslt">
2897    <t><list style="hanging">
2898<t hangText="2004-05-17">
2899     Initial release.
2900</t>
2901<t hangText="2006-06-02">
2902    Use XSL 1.1 WD Feb 2006.
2903</t>
2904    </list></t>
2905    </section>
2906
2907    <section title="xsl11toFop-0.93.xslt">
2908    <t><list style="hanging">
2909<t hangText="2008-03-15">
2910    Add a workaround to the fo:inline workaround (sigh).
2911</t>
2912    </list></t>
2913    </section>
2914
2915    <section title="xsl11toXep.xslt">
2916    <t><list style="hanging">
2917<t hangText="2004-05-17">
2918     Initial release.
2919</t>
2920<t hangText="2004-09-04">
2921     Fix xep:index-item attributes.
2922</t>
2923<t hangText="2006-06-02">
2924    Use XSL 1.1 WD Feb 2006.
2925</t>
2926    </list></t>
2927    </section>
2928  </section>
2929
2930</back>
2931</rfc>
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