source: rfc2629xslt/rfc2629toFO.xslt

Last change on this file was 2761, checked in by julian.reschke@…, 11 months ago

update XSLTs
  • Property svn:eol-style set to native
File size: 130.8 KB
Line 
1<!--
2    XSLT transformation from RFC2629 XML format to XSL-FO
3     
4    Copyright (c) 2006-2021, Julian Reschke (julian.reschke@greenbytes.de)
5    All rights reserved.
6
7    Redistribution and use in source and binary forms, with or without
8    modification, are permitted provided that the following conditions are met:
9
10    * Redistributions of source code must retain the above copyright notice,
11      this list of conditions and the following disclaimer.
12    * Redistributions in binary form must reproduce the above copyright notice,
13      this list of conditions and the following disclaimer in the documentation
14      and/or other materials provided with the distribution.
15    * Neither the name of Julian Reschke nor the names of its contributors
16      may be used to endorse or promote products derived from this software
17      without specific prior written permission.
18
19    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29    POSSIBILITY OF SUCH DAMAGE.
30-->
31
32<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
33    version="1.0"
34    xmlns:ed="http://greenbytes.de/2002/rfcedit"
35    xmlns:exslt="http://exslt.org/common"
36    xmlns:fo="http://www.w3.org/1999/XSL/Format"
37    xmlns:msxsl="urn:schemas-microsoft-com:xslt"
38    xmlns:myns="mailto:julian.reschke@greenbytes.de?subject=rfc2629.xslt"
39    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
40    xmlns:svg="http://www.w3.org/2000/svg"
41    xmlns:x="http://purl.org/net/xml2rfc/ext"
42    xmlns:xi="http://www.w3.org/2001/XInclude"
43
44    exclude-result-prefixes="ed exslt msxsl myns rdf svg x xi"
45>
46
47<xsl:import href="rfc2629-no-doctype.xslt" />
48
49<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="no"/>
50
51<!-- page sizes as per <http://tools.ietf.org/html/draft-rfc-editor-rfc2223bis-08#section-3.2> -->
52<xsl:attribute-set name="page">
53  <xsl:attribute name="margin-left">1in</xsl:attribute>
54  <xsl:attribute name="margin-right">1in</xsl:attribute>
55  <xsl:attribute name="page-height">11in</xsl:attribute>
56  <xsl:attribute name="page-width">8.5in</xsl:attribute>
57</xsl:attribute-set>
58
59<xsl:attribute-set name="base">
60  <xsl:attribute name="font-family">serif</xsl:attribute>
61  <xsl:attribute name="font-size">10pt</xsl:attribute>
62  <xsl:attribute name="line-height-shift-adjustment">disregard-shifts</xsl:attribute>
63</xsl:attribute-set>
64
65<xsl:attribute-set name="h1">
66  <xsl:attribute name="font-weight">bold</xsl:attribute>
67  <xsl:attribute name="font-size">14pt</xsl:attribute>
68  <xsl:attribute name="keep-with-next">always</xsl:attribute>
69  <xsl:attribute name="space-before">14pt</xsl:attribute>
70  <xsl:attribute name="space-after">7pt</xsl:attribute>
71</xsl:attribute-set>
72
73<xsl:attribute-set name="h2">
74  <xsl:attribute name="font-weight">bold</xsl:attribute>
75  <xsl:attribute name="font-size">12pt</xsl:attribute>
76  <xsl:attribute name="keep-with-next">always</xsl:attribute>
77  <xsl:attribute name="space-before">12pt</xsl:attribute>
78  <xsl:attribute name="space-after">6pt</xsl:attribute>
79</xsl:attribute-set>
80
81<xsl:attribute-set name="h3">
82  <xsl:attribute name="font-weight">bold</xsl:attribute>
83  <xsl:attribute name="font-size">11pt</xsl:attribute>
84  <xsl:attribute name="keep-with-next">always</xsl:attribute>
85  <xsl:attribute name="space-before">11pt</xsl:attribute>
86  <xsl:attribute name="space-after">3pt</xsl:attribute>
87</xsl:attribute-set>
88
89<xsl:attribute-set name="comment">
90  <xsl:attribute name="font-weight">bold</xsl:attribute>
91  <xsl:attribute name="background-color">yellow</xsl:attribute>
92</xsl:attribute-set>
93
94<xsl:attribute-set name="external-link">
95  <xsl:attribute name="color">blue</xsl:attribute>
96  <xsl:attribute name="text-decoration">underline</xsl:attribute>
97</xsl:attribute-set>
98
99<xsl:attribute-set name="index">
100  <xsl:attribute name="font-size">9pt</xsl:attribute>
101</xsl:attribute-set>
102
103<xsl:attribute-set name="internal-link">
104  <xsl:attribute name="color">#000080</xsl:attribute>
105</xsl:attribute-set>
106
107<xsl:attribute-set name="newpage">
108  <xsl:attribute name="page-break-before">
109    <xsl:choose>
110      <xsl:when test="$xml2rfc-ext-duplex='yes'">right</xsl:when>
111      <xsl:otherwise>always</xsl:otherwise>
112    </xsl:choose>
113  </xsl:attribute>
114</xsl:attribute-set>
115
116<xsl:attribute-set name="title">
117  <xsl:attribute name="text-align">center</xsl:attribute>
118  <xsl:attribute name="font-weight">bold</xsl:attribute>
119  <xsl:attribute name="font-size">18pt</xsl:attribute>
120  <xsl:attribute name="space-before">3em</xsl:attribute>
121  <xsl:attribute name="space-after">3em</xsl:attribute>
122</xsl:attribute-set>
123
124<xsl:template match="abstract">
125  <fo:block xsl:use-attribute-sets="h1" id="{concat($anchor-pref,'abstract')}">Abstract</fo:block>
126  <xsl:apply-templates />
127</xsl:template>
128
129<!-- special case for first text node in artwork or sourcecode -->
130<xsl:template match="artwork/text()[1]|sourcecode/text()[1]" priority="9">
131  <xsl:choose>
132    <xsl:when test="substring(.,1,1)='&#10;'">
133      <xsl:value-of select="substring(.,2)" />
134    </xsl:when>
135    <xsl:otherwise>
136      <xsl:value-of select="." />
137    </xsl:otherwise>
138  </xsl:choose>
139</xsl:template>
140
141<xsl:template name="add-artwork-attr">
142  <xsl:choose>
143    <xsl:when test="@type='abnf' or @type='abnf2045' or @type='abnf2616' or @type='abnf7230' or @type='application/xml-dtd' or @type='application/relax-ng-compact-syntax'">
144      <!-- just display inline -->
145    </xsl:when>
146
147    <xsl:when test="starts-with(@type,'message/http') and contains(@type,'msgtype=&quot;request&quot;')">
148      <xsl:attribute name="background-color">#f0f0f0</xsl:attribute>
149      <xsl:attribute name="border-style">dotted</xsl:attribute>
150      <xsl:attribute name="border-width">thin</xsl:attribute>
151    </xsl:when>
152
153    <xsl:when test="starts-with(@type,'message/http')">
154      <xsl:attribute name="background-color">#f8f8f8</xsl:attribute>
155      <xsl:attribute name="border-style">dotted</xsl:attribute>
156      <xsl:attribute name="border-width">thin</xsl:attribute>
157    </xsl:when>
158
159    <xsl:when test="self::sourcecode or starts-with(@type,'text/plain') or @type='example' or @type='code' or @type='http-message'">
160      <xsl:attribute name="background-color">#f8f8f8</xsl:attribute>
161      <xsl:attribute name="border-style">dotted</xsl:attribute>
162      <xsl:attribute name="border-width">thin</xsl:attribute>
163    </xsl:when>
164
165    <xsl:otherwise>
166      <xsl:attribute name="background-color">#dddddd</xsl:attribute>
167      <xsl:attribute name="font-size">9pt</xsl:attribute>
168    </xsl:otherwise>
169  </xsl:choose>
170 
171  <xsl:choose>
172    <xsl:when test="@align='center'">
173      <xsl:attribute name="text-align">center</xsl:attribute>
174    </xsl:when>
175    <xsl:when test="@align='right'">
176      <xsl:attribute name="text-align">right</xsl:attribute>
177    </xsl:when>
178    <xsl:otherwise/>
179  </xsl:choose>
180</xsl:template>
181
182<xsl:template match="artwork|sourcecode">
183  <fo:block>
184    <xsl:call-template name="copy-anchor"/>
185    <xsl:if test="not(ancestor::figure)">
186      <xsl:attribute name="start-indent">2em</xsl:attribute>
187    </xsl:if>
188    <xsl:if test="(self::artwork and @x:is-code-component='yes') or (self::sourcecode and @markers='true')">
189      <fo:block font-family="monospace" color="gray">
190        <xsl:text>&lt;CODE BEGINS></xsl:text>
191        <xsl:if test="self::sourcecode and @name">
192          <xsl:variable name="offending" select="translate(@name,concat($alnum,'-+.,;_~#'),'')"/>
193          <xsl:choose>
194            <xsl:when test="$offending!=''">
195              <xsl:call-template name="error">
196                <xsl:with-param name="msg">illegal characters in @name attribute '<xsl:value-of select="@name"/>': '<xsl:value-of select="$offending"/>'</xsl:with-param>
197              </xsl:call-template>
198            </xsl:when>
199            <xsl:otherwise>
200              <xsl:text> file "</xsl:text>
201              <xsl:value-of select="@name"/>
202              <xsl:text>"</xsl:text>
203            </xsl:otherwise>
204          </xsl:choose>
205        </xsl:if>
206      </fo:block>
207    </xsl:if>
208    <fo:block font-family="monospace" padding=".5em"
209      white-space-treatment="preserve" linefeed-treatment="preserve"
210      white-space-collapse="false" page-break-inside="avoid">
211      <xsl:call-template name="add-artwork-attr"/>
212      <xsl:apply-templates/>
213    </fo:block>
214    <xsl:if test="(self::artwork and @x:is-code-component='yes') or (self::sourcecode and @markers='true')">
215      <fo:block font-family="monospace" color="gray">&lt;CODE ENDS></fo:block>
216    </xsl:if>
217  </fo:block>
218</xsl:template>
219
220<xsl:template match="artwork[xi:include]" priority="9">
221  <xsl:variable name="resolved" xmlns="">
222    <xsl:element name="artwork" namespace="">
223      <xsl:copy-of select="@*"/>
224      <xsl:for-each select="node()">
225        <xsl:choose>
226          <xsl:when test="self::xi:include">
227            <xsl:if test="(@parse and @parse!='xml') or @xpointer">
228              <xsl:call-template name="error">
229                <xsl:with-param name="msg" select="'Unsupported attributes on x:include element'"/>
230              </xsl:call-template>
231            </xsl:if>
232            <xsl:copy-of select="document(@href)"/>
233          </xsl:when>
234          <xsl:otherwise>
235            <xsl:copy-of select="."/>
236          </xsl:otherwise>
237        </xsl:choose>
238      </xsl:for-each>
239    </xsl:element>
240  </xsl:variable>
241  <xsl:apply-templates select="exslt:node-set($resolved)/*"/>
242</xsl:template>
243
244<xsl:template match="artwork[@src and (starts-with(@type,'image/') or @type='svg')]|artwork[svg:svg]">
245  <fo:block>
246    <xsl:choose>
247      <xsl:when test="@align='center'">
248        <xsl:attribute name="text-align">center</xsl:attribute>
249      </xsl:when>
250      <xsl:when test="@align='right'">
251        <xsl:attribute name="text-align">right</xsl:attribute>
252      </xsl:when>
253      <xsl:otherwise/>
254    </xsl:choose>
255    <xsl:choose>
256      <xsl:when test="svg:svg">
257        <fo:instream-foreign-object>
258          <xsl:choose>
259            <xsl:when test="parent::artset and ../@anchor">
260              <xsl:attribute name="id"><xsl:value-of select="../@anchor"/></xsl:attribute>
261            </xsl:when>
262            <xsl:when test="parent::artset and ../artwork/@anchor">
263              <xsl:attribute name="id"><xsl:value-of select="../artwork[@anchor][1]/@anchor"/></xsl:attribute>
264            </xsl:when>
265            <xsl:when test="@anchor">
266              <xsl:attribute name="id"><xsl:value-of select="/@anchor"/></xsl:attribute>
267            </xsl:when>
268            <xsl:otherwise/>
269          </xsl:choose>
270          <xsl:apply-templates select="svg:svg" mode="embed-svg"/>
271        </fo:instream-foreign-object>
272      </xsl:when>
273      <xsl:otherwise>
274        <fo:external-graphic scaling-method="integer-pixels" src="url({@src})"/>
275      </xsl:otherwise>
276    </xsl:choose>
277  </fo:block>
278</xsl:template>
279
280<xsl:template match="/" mode="embed-svg">
281        <xsl:copy><xsl:apply-templates select="node()"  mode="embed-svg"/></xsl:copy>
282</xsl:template>
283
284<xsl:template match="contact[ancestor::t]">
285  <xsl:value-of select="@fullname"/>
286  <xsl:if test="@asciiFullname">
287    <xsl:text> (</xsl:text>
288    <xsl:value-of select="@asciiFullname"/>
289    <xsl:text>)</xsl:text>
290  </xsl:if>
291</xsl:template>
292
293<xsl:template match="author|contact|x:contributor">
294  <fo:block start-indent="2em" space-before=".5em" space-after=".5em">
295
296    <xsl:call-template name="emit-author"/>
297
298    <xsl:if test="@asciiFullname!='' or organization/@ascii!='' or address/postal/*/@ascii">
299      <fo:block space-before=".5em">
300        Additional contact information:
301      </fo:block>
302      <xsl:call-template name="emit-author">
303        <xsl:with-param name="ascii" select="false()"/>
304      </xsl:call-template>
305    </xsl:if>
306  </fo:block>
307</xsl:template>
308
309<xsl:template name="emit-postal-line">
310  <xsl:param name="prefix"/>
311  <xsl:param name="value"/>
312  <xsl:param name="values"/>
313  <xsl:param name="link"/>
314  <xsl:param name="annotation"/>
315
316  <xsl:if test="normalize-space($value)!='' or $values">
317    <fo:block>
318      <xsl:if test="$prefix!=''"><xsl:value-of select="$prefix"/>: </xsl:if>
319      <xsl:choose>
320        <xsl:when test="$values">
321          <xsl:for-each select="exslt:node-set($values)/*">
322            <xsl:choose>
323              <xsl:when test="@href">
324                <fo:basic-link external-destination="url('{@href}')" xsl:use-attribute-sets="external-link"><xsl:value-of select="normalize-space(.)"/></fo:basic-link>
325              </xsl:when>
326              <xsl:otherwise>
327                <xsl:value-of select="normalize-space(.)"/>
328              </xsl:otherwise>
329            </xsl:choose>
330            <xsl:if test="position()!=last()">, </xsl:if>
331          </xsl:for-each>
332        </xsl:when>
333        <xsl:when test="$link!=''">
334          <fo:basic-link external-destination="url('{$link}')" xsl:use-attribute-sets="external-link"><xsl:value-of select="normalize-space($value)"/></fo:basic-link>
335        </xsl:when>
336        <xsl:otherwise>
337          <xsl:value-of select="normalize-space($value)"/>
338        </xsl:otherwise>
339      </xsl:choose>
340      <xsl:if test="$annotation!=''">
341        <xsl:text> </xsl:text>
342        <fo:wrapper font-style="italic"><xsl:value-of select="$annotation"/></fo:wrapper>
343      </xsl:if>
344    </fo:block>
345  </xsl:if>
346</xsl:template>
347
348<xsl:template name="emit-author">
349  <xsl:param name="ascii" select="true()"/>
350  <fo:block>
351    <fo:wrapper font-weight="bold">
352      <xsl:choose>
353        <xsl:when test="(not(@fullname) or @fullname='') and @surname!=''">
354          <xsl:call-template name="warning">
355            <xsl:with-param name="msg">fullname attribute should be specified for author (using surname instead)</xsl:with-param>
356          </xsl:call-template>
357          <xsl:call-template name="format-initials"/>
358          <xsl:text> </xsl:text>
359          <xsl:value-of select="@surname"/>
360        </xsl:when>
361        <xsl:when test="@asciiFullname!='' and $ascii">
362          <xsl:value-of select="@asciiFullname" />
363        </xsl:when>
364        <xsl:otherwise>
365          <xsl:value-of select="@fullname" />
366        </xsl:otherwise>
367      </xsl:choose>
368    </fo:wrapper>
369    <xsl:if test="not(self::contact) and @role">
370      <fo:wrapper> (<xsl:value-of select="@role" />)</fo:wrapper>
371    </xsl:if>
372    <!-- annotation support for Martin "uuml" Duerst -->
373    <xsl:if test="@x:annotation">
374      <xsl:text> </xsl:text>
375      <fo:wrapper font-style="italic"><xsl:value-of select="@x:annotation"/></fo:wrapper>
376    </xsl:if>
377  </fo:block>
378
379  <xsl:if test="normalize-space(concat(organization,organization/@ascii)) != ''">
380    <fo:block>
381      <xsl:choose>
382        <xsl:when test="organization/@ascii!='' and $ascii">
383          <xsl:value-of select="organization/@ascii" />
384        </xsl:when>
385        <xsl:otherwise>
386          <xsl:value-of select="organization" />
387        </xsl:otherwise>
388      </xsl:choose>
389    </fo:block>
390  </xsl:if>
391
392  <xsl:call-template name="emit-author-details">
393    <xsl:with-param name="ascii" select="$ascii"/>
394  </xsl:call-template> 
395</xsl:template>
396
397<xsl:template match="back">
398  <!-- done in parent template -->
399</xsl:template>
400
401
402<xsl:template match="figure">
403
404  <xsl:variable name="anch">
405    <xsl:call-template name="get-figure-anchor"/>
406  </xsl:variable>
407
408  <fo:block space-before=".5em" space-after=".5em" id="{$anch}" page-break-inside="avoid">
409    <xsl:if test="not(ancestor::t)">
410      <xsl:attribute name="start-indent">2em</xsl:attribute>
411    </xsl:if>
412    <xsl:call-template name="add-anchor"/>
413    <xsl:apply-templates select="*[not(self::name)]"/>
414    <xsl:if test="(@title!='' or name) or (@anchor!='' and not(@suppress-title='true'))">
415      <xsl:variable name="n"><xsl:call-template name="get-figure-number"/></xsl:variable>
416      <fo:block text-align="center" space-before=".5em" space-after="1em">
417        <xsl:if test="not(starts-with($n,'u'))">
418          <xsl:text>Figure </xsl:text>
419          <xsl:value-of select="$n"/>
420          <xsl:if test="@title!='' or name">: </xsl:if>
421        </xsl:if>
422        <xsl:choose>
423          <xsl:when test="name">
424            <xsl:apply-templates select="name/node()"/>
425          </xsl:when>
426          <xsl:otherwise>
427            <xsl:value-of select="@title" />
428          </xsl:otherwise>
429        </xsl:choose>
430      </fo:block>
431    </xsl:if>
432  </fo:block>
433</xsl:template>
434           
435<xsl:template match="front">
436
437  <xsl:if test="$xml2rfc-topblock!='no'">
438    <!-- collect information for left column -->
439     
440    <xsl:variable name="leftColumn">
441      <xsl:call-template name="collectLeftHeaderColumn" /> 
442    </xsl:variable>
443 
444    <!-- collect information for right column -->
445     
446    <xsl:variable name="rightColumn">
447      <xsl:call-template name="collectRightHeaderColumn" />   
448    </xsl:variable>
449     
450      <!-- insert the collected information -->
451     
452    <fo:table width="100%" table-layout="fixed">
453      <fo:table-column column-width="proportional-column-width(1)" />
454      <fo:table-column column-width="proportional-column-width(1)" />
455      <fo:table-body>
456        <xsl:choose>
457          <xsl:when test="function-available('exslt:node-set')">
458             <xsl:call-template name="emitheader">
459               <xsl:with-param name="lc" select="exslt:node-set($leftColumn)" />   
460               <xsl:with-param name="rc" select="exslt:node-set($rightColumn)" />   
461            </xsl:call-template>
462          </xsl:when>   
463          <xsl:otherwise>   
464             <xsl:call-template name="emitheader">
465               <xsl:with-param name="lc" select="$leftColumn" />   
466               <xsl:with-param name="rc" select="$rightColumn" />   
467            </xsl:call-template>
468          </xsl:otherwise>   
469        </xsl:choose>
470      </fo:table-body>
471    </fo:table>
472  </xsl:if>
473     
474  <fo:block xsl:use-attribute-sets="title">
475    <xsl:apply-templates select="/rfc/front/title/node()"/>
476    <xsl:if test="/rfc/@docName">
477      <fo:block font-size="80%"><xsl:value-of select="/rfc/@docName" /></fo:block>
478    </xsl:if>
479  </fo:block>
480 
481  <xsl:if test="not($abstract-first)">
482    <xsl:if test="$xml2rfc-private=''">
483      <xsl:call-template name="emit-ietf-preamble">
484        <xsl:with-param name="notes" select="$notes-in-boilerplate"/>
485      </xsl:call-template>
486    </xsl:if>
487  </xsl:if>
488 
489  <xsl:apply-templates select="abstract" />
490  <xsl:if test="$notes-follow-abstract">
491    <xsl:apply-templates select="$notes-not-in-boilerplate" />
492  </xsl:if>
493
494  <xsl:if test="$abstract-first">
495    <xsl:if test="$xml2rfc-private=''">
496      <xsl:call-template name="emit-ietf-preamble">
497        <xsl:with-param name="notes" select="$notes-in-boilerplate"/>
498      </xsl:call-template>
499    </xsl:if>
500  </xsl:if>
501
502  <xsl:if test="not($notes-follow-abstract)">
503    <xsl:apply-templates select="$notes-not-in-boilerplate" />
504  </xsl:if>
505
506  <xsl:if test="$xml2rfc-toc='yes'">
507    <xsl:apply-templates select="/" mode="toc" />
508    <!--<xsl:call-template name="insertTocAppendix" />-->
509  </xsl:if>
510
511</xsl:template>
512   
513<xsl:template match="eref[text()|*]">
514  <fo:basic-link external-destination="url('{@target}')" xsl:use-attribute-sets="external-link">
515    <xsl:call-template name="format-uri">
516      <xsl:with-param name="s" select="."/>
517    </xsl:call-template>
518  </fo:basic-link>
519  <fo:footnote>
520    <fo:inline font-size="6pt" vertical-align="super"><xsl:number level="any" count="eref[text()|*]" /></fo:inline>
521    <fo:footnote-body>
522      <fo:block font-size="8pt" start-indent="2em" text-align="left">
523        <fo:inline font-size="6pt" vertical-align="super"><xsl:number level="any" count="eref[text()|*]" /></fo:inline>
524        <xsl:text> </xsl:text>
525        <xsl:value-of select="@target" />
526      </fo:block>
527    </fo:footnote-body>
528  </fo:footnote>
529</xsl:template>
530
531<xsl:template match="eref[not(text()|*)]">
532  <xsl:variable name="in-angles" select="(not(/rfc/@version >= 3) and not(@brackets='none')) or @brackets='angle'"/>
533  <xsl:if test="$in-angles"><xsl:text>&lt;</xsl:text></xsl:if>
534  <fo:basic-link external-destination="url('{@target}')" xsl:use-attribute-sets="external-link">
535    <xsl:call-template name="format-uri">
536      <xsl:with-param name="s" select="@target"/>
537    </xsl:call-template>
538  </fo:basic-link>
539  <xsl:if test="$in-angles"><xsl:text>&gt;</xsl:text></xsl:if>
540</xsl:template>
541
542<!-- processed in a later stage -->
543<xsl:template match="iref[not(ancestor::t or ancestor::li) and not(parent::section)]">
544  <fo:block>
545    <xsl:attribute name="id"><xsl:value-of select="$anchor-pref" />iref.<xsl:number level="any"/></xsl:attribute>
546    <xsl:choose>
547      <xsl:when test="@primary='true'">
548        <xsl:attribute name="index-key">
549          <xsl:value-of select="concat('item=',@item,',subitem=',@subitem,',primary')"/>
550        </xsl:attribute>
551      </xsl:when>
552      <xsl:otherwise>
553        <xsl:attribute name="index-key">
554          <xsl:value-of select="concat('item=',@item,',subitem=',@subitem)"/>
555        </xsl:attribute>
556      </xsl:otherwise>
557    </xsl:choose>
558  </fo:block>
559</xsl:template>
560
561<xsl:template match="iref[parent::section]">
562  <!-- processed on section level -->
563</xsl:template>
564
565<xsl:template match="iref[(ancestor::t or ancestor::li) and not(parent::section)]">
566  <fo:inline>
567    <xsl:attribute name="id"><xsl:value-of select="$anchor-pref" />iref.<xsl:number level="any"/></xsl:attribute>
568    <xsl:choose>
569      <xsl:when test="@primary='true'">
570        <xsl:attribute name="index-key">
571          <xsl:value-of select="concat('item=',@item,',subitem=',@subitem,',primary')"/>
572        </xsl:attribute>
573      </xsl:when>
574      <xsl:otherwise>
575        <xsl:attribute name="index-key">
576          <xsl:value-of select="concat('item=',@item,',subitem=',@subitem)"/>
577        </xsl:attribute>
578      </xsl:otherwise>
579    </xsl:choose>
580  </fo:inline>
581</xsl:template>
582
583<xsl:template match="iref" mode="iref-start">
584  <fo:index-range-begin>
585    <xsl:attribute name="id"><xsl:value-of select="$anchor-pref" />iref.<xsl:number level="any"/></xsl:attribute>
586    <xsl:choose>
587      <xsl:when test="@primary='true'">
588        <xsl:attribute name="index-key">
589          <xsl:value-of select="concat('item=',@item,',subitem=',@subitem,',primary')"/>
590        </xsl:attribute>
591      </xsl:when>
592      <xsl:otherwise>
593        <xsl:attribute name="index-key">
594          <xsl:value-of select="concat('item=',@item,',subitem=',@subitem)"/>
595        </xsl:attribute>
596      </xsl:otherwise>
597    </xsl:choose>
598  </fo:index-range-begin>
599</xsl:template>
600
601<xsl:template match="iref" mode="iref-end">
602  <fo:index-range-end>
603    <xsl:attribute name="ref-id"><xsl:value-of select="$anchor-pref" />iref.<xsl:number level="any"/></xsl:attribute>
604  </fo:index-range-end>
605</xsl:template>
606
607<xsl:template match="dl">
608  <xsl:variable name="spac" select="@spacing"/>
609  <xsl:variable name="width">
610    <xsl:choose>
611      <xsl:when test="@indent">
612        <xsl:value-of select="@indent div 2"/>
613        <xsl:text>em</xsl:text>
614      </xsl:when>
615      <xsl:otherwise>
616        <!-- find longest label and use it to calculate indentation-->
617        <xsl:variable name="l">
618          <xsl:for-each select="dt">
619            <xsl:sort select="string-length(.)" order="descending" data-type="number"/>
620            <xsl:if test="position()=1">
621              <xsl:value-of select="." />
622            </xsl:if>
623          </xsl:for-each>
624        </xsl:variable>
625        <xsl:value-of select="concat(format-number(string-length($l) * 0.8, '#.0'),'em')"/>
626      </xsl:otherwise>
627    </xsl:choose>
628  </xsl:variable>
629 
630  <fo:list-block provisional-distance-between-starts="{$width}">
631    <xsl:if test="parent::section|parent::note|parent::abstract">
632      <xsl:attribute name="start-indent">2em</xsl:attribute>
633    </xsl:if>
634    <xsl:for-each select="dt">
635      <fo:list-item>
636        <xsl:if test="not($spac='compact')">
637          <xsl:attribute name="space-before">.5em</xsl:attribute>
638          <xsl:attribute name="space-after">.5em</xsl:attribute>
639        </xsl:if>
640        <xsl:apply-templates select="."/>
641        <xsl:apply-templates select="following-sibling::dd[1]"/>
642      </fo:list-item>
643    </xsl:for-each>
644  </fo:list-block>
645</xsl:template>
646
647<xsl:template match="dl/dt">
648  <fo:list-item-label end-indent="label-end()">
649    <xsl:call-template name="copy-anchor"/>
650    <fo:block>
651      <xsl:call-template name="attach-paragraph-number-as-id"/>
652      <xsl:apply-templates/>
653    </fo:block>
654  </fo:list-item-label>
655</xsl:template>
656
657<xsl:template match="dl/dd">
658  <fo:list-item-body start-indent="body-start()">
659    <xsl:call-template name="copy-anchor"/>
660    <fo:block>
661      <xsl:call-template name="attach-paragraph-number-as-id"/>
662      <xsl:variable name="block-level-children" select="artwork|aside|dl|figure|ol|sourcecode|t|table|ul"/>
663      <xsl:choose>
664        <xsl:when test="$block-level-children">
665          <!-- TODO: improve error handling-->
666          <xsl:for-each select="$block-level-children">
667            <xsl:choose>
668              <xsl:when test="self::t">
669                <fo:block>
670                  <xsl:call-template name="copy-anchor"/>
671                  <xsl:apply-templates/>
672                </fo:block>
673              </xsl:when>
674              <xsl:otherwise>
675                <fo:block>
676                  <xsl:apply-templates select="."/>
677                </fo:block>
678              </xsl:otherwise>
679            </xsl:choose>
680          </xsl:for-each>
681        </xsl:when>
682        <xsl:otherwise>
683          <fo:block>
684            <xsl:apply-templates/>
685          </fo:block>
686        </xsl:otherwise>
687      </xsl:choose>
688    </fo:block>
689  </fo:list-item-body>
690</xsl:template>
691
692<xsl:template name="list-empty">
693  <fo:list-block provisional-distance-between-starts="2em">
694    <xsl:apply-templates />
695  </fo:list-block>
696</xsl:template>
697
698<xsl:template name="list-format">
699  <fo:list-block provisional-distance-between-starts="{string-length(@style) - string-length('format ')}em">
700    <xsl:apply-templates />
701  </fo:list-block>
702</xsl:template>
703
704<xsl:template name="list-hanging">
705  <xsl:variable name="width">
706    <xsl:choose>
707      <xsl:when test="@x:indent">
708        <xsl:value-of select="@x:indent"/>
709      </xsl:when>
710      <xsl:otherwise>
711        <!-- find longest label and use it to calculate indentation-->
712        <xsl:variable name="l">
713          <xsl:for-each select="t">
714            <xsl:sort select="string-length(@hangText)" order="descending" data-type="number"/>
715            <xsl:if test="position()=1">
716              <xsl:value-of select="@hangText" />
717            </xsl:if>
718          </xsl:for-each>
719        </xsl:variable>
720        <xsl:value-of select="concat(format-number(string-length($l) * 0.8, '#.0'),'em')"/>
721      </xsl:otherwise>
722    </xsl:choose>
723  </xsl:variable>
724
725  <fo:list-block provisional-distance-between-starts="{$width}">
726    <xsl:apply-templates />
727  </fo:list-block>
728</xsl:template>
729
730<xsl:template name="list-letters">
731  <fo:list-block provisional-distance-between-starts="1.5em">
732    <xsl:apply-templates />
733  </fo:list-block>
734</xsl:template>
735
736<xsl:template name="list-numbers">
737  <fo:list-block provisional-distance-between-starts="1.5em">
738    <xsl:apply-templates />
739  </fo:list-block>
740</xsl:template>
741
742<xsl:template name="list-symbols">
743  <fo:list-block provisional-distance-between-starts="1.5em">
744    <xsl:apply-templates />
745  </fo:list-block>
746</xsl:template>
747
748<xsl:template match="list">
749  <xsl:variable name="style" select="ancestor-or-self::list[@style][1]/@style"/>
750  <xsl:call-template name="check-no-text-content"/>
751  <xsl:choose>
752    <xsl:when test="not($style) or $style='empty'">
753      <xsl:call-template name="check-no-hangindent"/>
754      <xsl:call-template name="list-empty"/>
755    </xsl:when>
756    <xsl:when test="starts-with($style, 'format ')">
757      <xsl:call-template name="list-format"/>
758    </xsl:when>
759    <xsl:when test="$style='hanging'">
760      <xsl:call-template name="list-hanging"/>
761    </xsl:when>
762    <xsl:when test="$style='letters'">
763      <xsl:call-template name="check-no-hangindent"/>
764      <xsl:call-template name="list-letters"/>
765    </xsl:when>
766    <xsl:when test="$style='numbers'">
767      <xsl:call-template name="check-no-hangindent"/>
768      <xsl:call-template name="list-numbers"/>
769    </xsl:when>
770    <xsl:when test="$style='symbols'">
771      <xsl:call-template name="check-no-hangindent"/>
772      <xsl:call-template name="list-symbols"/>
773    </xsl:when>
774    <xsl:otherwise>
775      <xsl:call-template name="error">
776        <xsl:with-param name="msg" select="concat('Unsupported style attribute: ', $style)"/>
777      </xsl:call-template>
778    </xsl:otherwise>
779  </xsl:choose>
780</xsl:template>
781
782<xsl:template match="list[@style='hanging']/x:lt" priority="1">
783  <xsl:variable name="compact">
784    <xsl:call-template name="get-compact-setting"/>
785  </xsl:variable>
786  <fo:list-item>
787    <xsl:if test="not($compact='yes')">
788      <xsl:attribute name="space-before">.5em</xsl:attribute>
789      <xsl:attribute name="space-after">.5em</xsl:attribute>
790    </xsl:if>
791    <xsl:call-template name="copy-anchor"/>
792    <fo:list-item-label end-indent="label-end()"><fo:block><xsl:value-of select="@hangText" /></fo:block></fo:list-item-label>
793    <fo:list-item-body start-indent="body-start()">
794      <xsl:for-each select="t">
795        <fo:block>
796          <xsl:if test="position()!=1">
797            <xsl:attribute name="space-before">.5em</xsl:attribute>
798          </xsl:if>
799          <xsl:apply-templates />
800        </fo:block>
801      </xsl:for-each>
802    </fo:list-item-body>
803  </fo:list-item>
804</xsl:template>
805
806<xsl:template match="list[@style='hanging']/t | list[@style='hanging']/ed:replace/ed:ins/t" priority="1">
807  <xsl:variable name="compact">
808    <xsl:call-template name="get-compact-setting"/>
809  </xsl:variable>
810  <fo:list-item>
811    <xsl:if test="not($compact='yes')">
812      <xsl:attribute name="space-before">.5em</xsl:attribute>
813      <xsl:attribute name="space-after">.5em</xsl:attribute>
814    </xsl:if>
815    <xsl:call-template name="copy-anchor"/>
816    <fo:list-item-label end-indent="label-end()"><fo:block><xsl:value-of select="@hangText" /></fo:block></fo:list-item-label>
817    <fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>
818  </fo:list-item>
819</xsl:template>
820
821<xsl:template match="ul">
822  <xsl:choose>
823    <xsl:when test="not(li) and @x:when-empty">
824      <fo:block>
825        <xsl:call-template name="copy-anchor"/>
826        <xsl:value-of select="@x:when-empty"/>
827      </fo:block>
828    </xsl:when>
829    <xsl:otherwise>
830      <fo:list-block provisional-distance-between-starts="1.5em">
831        <xsl:call-template name="copy-anchor"/>
832        <xsl:if test="self::ul and parent::section|parent::note|parent::abstract">
833          <xsl:attribute name="start-indent">2em</xsl:attribute>
834        </xsl:if>
835        <xsl:apply-templates />
836      </fo:list-block>
837    </xsl:otherwise>
838  </xsl:choose>
839</xsl:template>
840
841<xsl:template match="ul[not(@empty='true')]/li | list[@style='symbols' or (not(@style) and ancestor::list[@style='symbols'])]/t" priority="1">
842  <fo:list-item space-before=".25em" space-after=".25em">
843    <xsl:call-template name="copy-anchor"/>
844    <fo:list-item-label end-indent="label-end()"><fo:block>&#x2022;</fo:block></fo:list-item-label>
845    <fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>
846  </fo:list-item>
847</xsl:template>
848
849<xsl:template match="list[@style='symbols' or (not(@style) and ancestor::list[@style='symbols'])]/x:lt" priority="1">
850  <fo:list-item space-before=".25em" space-after=".25em">
851    <xsl:call-template name="copy-anchor"/>
852    <fo:list-item-label end-indent="label-end()"><fo:block>&#x2022;</fo:block></fo:list-item-label>
853    <fo:list-item-body start-indent="body-start()">
854      <xsl:for-each select="t">
855        <fo:block>
856          <xsl:if test="position()!=1">
857            <xsl:attribute name="space-before">.25em</xsl:attribute>
858          </xsl:if>
859          <xsl:apply-templates />
860        </fo:block>
861      </xsl:for-each>
862    </fo:list-item-body>
863  </fo:list-item>
864</xsl:template>
865
866<xsl:template match="ul[@empty='true']/li | list/t">
867  <fo:list-item space-before=".25em" space-after=".25em">
868    <xsl:call-template name="copy-anchor"/>
869    <fo:list-item-label end-indent="label-end()"><fo:block></fo:block></fo:list-item-label>
870    <fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>
871  </fo:list-item>
872</xsl:template>
873
874<xsl:template match="ol[not(@type) or string-length(@type)=1]">
875  <fo:list-block provisional-distance-between-starts="1.5em">
876    <xsl:call-template name="copy-anchor"/>
877    <xsl:if test="self::ol and parent::section|parent::note|parent::abstract">
878      <xsl:attribute name="start-indent">2em</xsl:attribute>
879    </xsl:if>
880    <xsl:apply-templates />
881  </fo:list-block>
882</xsl:template>
883
884<xsl:template match="ol[not(@type) or string-length(@type)=1]/li[not(blockquote|t)] | list[@style='numbers' or @style='letters' or (not(@style) and ancestor::list[@style='numbers' or @style='letters'])]/t" priority="1">
885  <fo:list-item space-before=".25em" space-after=".25em">
886    <xsl:call-template name="copy-anchor"/>
887    <fo:list-item-label end-indent="label-end()">
888      <fo:block>
889        <xsl:choose>
890          <xsl:when test="ancestor::ol">
891            <xsl:variable name="node" select="ancestor::ol"/>
892            <xsl:variable name="s">
893              <xsl:choose>
894                <xsl:when test="$node/@group">
895                  <xsl:call-template name="ol-start">
896                    <xsl:with-param name="node" select="$node"/>
897                  </xsl:call-template>
898                </xsl:when>
899                <xsl:when test="$node/@start">
900                  <xsl:value-of select="$node/@start"/>
901                </xsl:when>
902                <xsl:otherwise>1</xsl:otherwise>
903              </xsl:choose>
904            </xsl:variable>
905            <xsl:variable name="n"><xsl:number/></xsl:variable>
906            <xsl:choose>
907              <xsl:when test="$node/@type='a' or $node/@type='A' or $node/@type='i' or $node/@type='I'">
908                <xsl:number value="$n + $s - 1" format="{$node/@type}"/>
909              </xsl:when>
910              <xsl:otherwise>
911                <xsl:value-of select="$n + $s - 1"/>
912              </xsl:otherwise>
913            </xsl:choose>
914            <xsl:text>.</xsl:text>
915          </xsl:when>
916          <xsl:when test="ancestor::list/@style='numbers'"><xsl:number/>.</xsl:when>
917          <xsl:when test="ancestor::list/@style='letters'"><xsl:number format="a"/>.</xsl:when>
918          <xsl:otherwise>???</xsl:otherwise>
919        </xsl:choose>
920      </fo:block>
921    </fo:list-item-label>
922    <fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>
923  </fo:list-item>
924</xsl:template>
925
926<xsl:template match="ol[not(@type) or string-length(@type)=1]/li[blockquote|t] | list[@style='numbers' or @style='letters' or (not(@style) and ancestor::list[@style='numbers' or @style='letters'])]/x:lt" priority="1">
927  <fo:list-item space-before=".25em" space-after=".25em">
928    <xsl:call-template name="copy-anchor"/>
929    <fo:list-item-label end-indent="label-end()">
930      <fo:block>
931        <xsl:choose>
932          <xsl:when test="ancestor::ol and ancestor::ol/@start">
933            <xsl:variable name="n"><xsl:number/></xsl:variable>
934            <xsl:value-of select="$n + ancestor::ol/@start - 1"/>
935            <xsl:text>.</xsl:text>
936          </xsl:when>
937          <xsl:when test="ancestor::list/@style='numbers' or ancestor::ol"><xsl:number/>.</xsl:when>
938          <xsl:when test="ancestor::list/@style='letters'"><xsl:number format="a"/>.</xsl:when>
939          <xsl:otherwise>???</xsl:otherwise>
940        </xsl:choose>
941      </fo:block>
942    </fo:list-item-label>
943    <fo:list-item-body start-indent="body-start()">
944      <xsl:for-each select="blockquote|t">
945        <fo:block>
946          <xsl:if test="position()!=1">
947            <xsl:attribute name="space-before">.25em</xsl:attribute>
948          </xsl:if>
949          <xsl:choose>
950            <xsl:when test="self::t">
951              <xsl:apply-templates />
952            </xsl:when>
953            <xsl:otherwise>
954              <xsl:apply-templates select="."/>
955            </xsl:otherwise>
956          </xsl:choose>
957        </fo:block>
958      </xsl:for-each>
959    </fo:list-item-body>
960  </fo:list-item>
961</xsl:template>
962
963<!-- special case: nested -->
964<xsl:template match="list//t//list[@style='letters']/t" priority="9">
965  <fo:list-item space-before=".25em" space-after=".25em">
966    <xsl:call-template name="copy-anchor"/>
967    <fo:list-item-label end-indent="label-end()"><fo:block><xsl:number format="A"/>.</fo:block></fo:list-item-label>
968    <fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>
969  </fo:list-item>
970</xsl:template>
971
972<xsl:template match="ol[string-length(@type)>1]">
973  <fo:list-block provisional-distance-between-starts="{string-length(@type) + 1}em">
974    <xsl:apply-templates />
975  </fo:list-block>
976</xsl:template>
977
978<xsl:template match="list[starts-with(@style,'format ')]/t" priority="1">
979  <xsl:variable name="list" select=".." />
980  <xsl:variable name="format" select="substring-after(../@style,'format ')" />
981  <xsl:variable name="pos">
982    <xsl:choose>
983      <xsl:when test="$list/@counter">
984        <xsl:number level="any" count="list[@counter=$list/@counter or (not(@counter) and @style=concat('format ',$list/@counter))]/t" />
985      </xsl:when>
986      <xsl:otherwise>
987        <xsl:number level="any" count="list[concat('format ',@counter)=$list/@style or (not(@counter) and @style=$list/@style)]/t" />
988      </xsl:otherwise>
989    </xsl:choose>
990  </xsl:variable>
991  <fo:list-item space-before=".25em" space-after=".25em">
992    <xsl:call-template name="copy-anchor"/>
993    <fo:list-item-label end-indent="label-end()">
994      <fo:block>
995        <xsl:call-template name="expand-format-percent">
996          <xsl:with-param name="format" select="$format"/>
997          <xsl:with-param name="pos" select="$pos"/>
998        </xsl:call-template>
999      </fo:block>
1000    </fo:list-item-label>
1001    <fo:list-item-body start-indent="body-start()">
1002      <fo:block>
1003        <xsl:apply-templates />
1004      </fo:block>
1005    </fo:list-item-body>
1006  </fo:list-item>
1007</xsl:template>
1008
1009<xsl:template match="ol[string-length(@type)>1]/li">
1010  <xsl:variable name="format" select="../@type" />
1011  <xsl:variable name="start">
1012    <xsl:choose>
1013      <xsl:when test="../@group">
1014        <xsl:call-template name="ol-start">
1015          <xsl:with-param name="node" select=".."/>
1016        </xsl:call-template>
1017      </xsl:when>
1018      <xsl:when test="../@start">
1019        <xsl:value-of select="../@start"/>
1020      </xsl:when>
1021      <xsl:otherwise>1</xsl:otherwise>
1022    </xsl:choose>
1023  </xsl:variable>
1024  <xsl:variable name="pos"><xsl:number/></xsl:variable>
1025  <fo:list-item space-before=".25em" space-after=".25em">
1026    <xsl:call-template name="copy-anchor"/>
1027    <fo:list-item-label end-indent="label-end()">
1028      <fo:block>
1029        <xsl:call-template name="expand-format-percent">
1030          <xsl:with-param name="format" select="$format"/>
1031          <xsl:with-param name="pos" select="$start - 1 + $pos"/>
1032        </xsl:call-template>
1033      </fo:block>
1034    </fo:list-item-label>
1035    <fo:list-item-body start-indent="body-start()">
1036      <fo:block>
1037        <xsl:apply-templates />
1038      </fo:block>
1039    </fo:list-item-body>
1040  </fo:list-item>
1041</xsl:template>
1042
1043<xsl:template match="middle">
1044  <xsl:apply-templates />
1045</xsl:template>
1046               
1047<xsl:template match="note">
1048  <xsl:variable name="num"><xsl:number count="note"/></xsl:variable>
1049  <fo:block xsl:use-attribute-sets="h1" id="{concat($anchor-pref,'note.',$num)}">
1050    <xsl:choose>
1051      <xsl:when test="name">
1052        <xsl:apply-templates select="name/node()"/>
1053        <xsl:if test="@title">
1054          <xsl:call-template name="warning">
1055            <xsl:with-param name="msg">both @title attribute and name child node present</xsl:with-param>
1056          </xsl:call-template>
1057        </xsl:if>
1058      </xsl:when>
1059      <xsl:otherwise>
1060        <xsl:value-of select="@title" />
1061      </xsl:otherwise>
1062    </xsl:choose>
1063  </fo:block>
1064  <xsl:if test="@removeInRFC='true' and (not(t) or t[1]!=$note-removeInRFC)">
1065    <fo:block font-style="italic" start-indent="2em">
1066      <xsl:value-of select="$note-removeInRFC"/>
1067    </fo:block>
1068  </xsl:if>
1069  <xsl:apply-templates />
1070</xsl:template>
1071<xsl:template match="note/name"/>
1072
1073<xsl:template match="preamble">
1074  <fo:block space-after=".5em">
1075    <xsl:call-template name="copy-anchor"/>
1076    <xsl:apply-templates />
1077  </fo:block>
1078</xsl:template>
1079
1080<xsl:template match="postamble">
1081  <fo:block space-before=".5em"><xsl:apply-templates /></fo:block>
1082</xsl:template>
1083
1084<!-- processed elsewhere -->
1085<xsl:template match="displayreference"/>
1086
1087<xsl:template match="reference">
1088
1089  <fo:list-item space-after=".5em">
1090    <fo:list-item-label end-indent="label-end()">
1091      <fo:block id="{@anchor}">
1092        <xsl:if test="$xml2rfc-ext-include-references-in-index='yes'">
1093          <xsl:attribute name="index-key">
1094            <xsl:value-of select="concat('xrefitem=',@anchor,',primary')"/>
1095          </xsl:attribute>
1096        </xsl:if>
1097        <xsl:call-template name="reference-name"/>
1098      </fo:block>
1099    </fo:list-item-label>
1100   
1101    <fo:list-item-body start-indent="body-start()">
1102      <xsl:call-template name="insert-reference-body"/>
1103    </fo:list-item-body>
1104  </fo:list-item>
1105</xsl:template>
1106
1107<xsl:template match="referencegroup">
1108
1109  <fo:list-item space-after=".5em">
1110    <fo:list-item-label end-indent="label-end()">
1111      <fo:block id="{@anchor}">
1112        <xsl:if test="$xml2rfc-ext-include-references-in-index='yes'">
1113          <xsl:attribute name="index-key">
1114            <xsl:value-of select="concat('xrefitem=',@anchor,',primary')"/>
1115          </xsl:attribute>
1116        </xsl:if>
1117        <xsl:call-template name="reference-name"/>
1118      </fo:block>
1119    </fo:list-item-label>
1120   
1121    <fo:list-item-body start-indent="body-start()">
1122      <xsl:variable name="included" select="exslt:node-set($includeDirectives)/myns:include[@in=generate-id(current())]/*[self::reference or self::referencegroup]"/>
1123      <xsl:choose>
1124        <xsl:when test="$xml2rfc-sortrefs='yes' and $xml2rfc-symrefs!='no'">
1125          <xsl:for-each select="reference|$included">
1126            <xsl:sort select="concat(/rfc/back/displayreference[@target=current()/@anchor]/@to,@anchor,.//ed:ins//reference/@anchor)" />
1127            <xsl:call-template name="insert-reference-body">
1128              <xsl:with-param name="in-reference-group" select="true()"/>
1129            </xsl:call-template>
1130          </xsl:for-each>
1131        </xsl:when>
1132        <xsl:otherwise>
1133          <xsl:for-each select="reference|$included">
1134            <xsl:call-template name="insert-reference-body">
1135              <xsl:with-param name="in-reference-group" select="true()"/>
1136            </xsl:call-template>
1137          </xsl:for-each>
1138        </xsl:otherwise>
1139      </xsl:choose>
1140      <xsl:if test="@target">
1141        <fo:block>
1142          <xsl:call-template name="format-uri">
1143            <xsl:with-param name="s" select="@target"/>
1144          </xsl:call-template>
1145          <xsl:text>&gt;</xsl:text>
1146        </fo:block>
1147      </xsl:if>
1148    </fo:list-item-body>
1149  </fo:list-item>
1150</xsl:template>
1151
1152<xsl:template name="insert-reference-body">
1153  <xsl:param name="in-reference-group" select="false()"/>
1154
1155  <xsl:variable name="front" select="front[1]|document(x:source/@href)/rfc/front[1]"/>
1156  <xsl:if test="count($front)=0">
1157    <xsl:call-template name="error">
1158      <xsl:with-param name="msg">&lt;front> element missing for '<xsl:value-of select="@anchor"/>'</xsl:with-param>
1159    </xsl:call-template>
1160  </xsl:if>
1161  <xsl:if test="count($front)>1">
1162    <xsl:call-template name="warning">
1163      <xsl:with-param name="msg">&lt;front> can be omitted when &lt;x:source> is specified (for '<xsl:value-of select="@anchor"/>')</xsl:with-param>
1164    </xsl:call-template>
1165  </xsl:if>
1166
1167  <xsl:variable name="target">
1168    <xsl:call-template name="link-ref-title-to"/>
1169  </xsl:variable>
1170
1171  <fo:block>
1172    <xsl:if test="$in-reference-group">
1173      <xsl:call-template name="copy-anchor"/>
1174    </xsl:if>
1175    <xsl:for-each select="$front[1]/author">
1176      <xsl:variable name="initials">
1177        <xsl:call-template name="format-initials"/>
1178      </xsl:variable>
1179      <xsl:variable name="truncated-initials">
1180        <xsl:call-template name="truncate-initials">
1181          <xsl:with-param name="initials" select="$initials"/>
1182        </xsl:call-template>
1183      </xsl:variable>
1184      <xsl:choose>
1185        <xsl:when test="@surname!='' or (@fullname!='' and normalize-space(@fullname)!=normalize-space(organization))">
1186          <xsl:call-template name="displayname-for-author">
1187            <xsl:with-param name="not-reversed" select="position()=last() and position()!=1"/>
1188          </xsl:call-template>
1189          <xsl:choose>
1190            <xsl:when test="position()=last() - 1">
1191              <xsl:if test="last() &gt; 2">,</xsl:if>
1192              <xsl:text> and </xsl:text>
1193            </xsl:when>
1194            <xsl:otherwise>
1195              <xsl:text>, </xsl:text>
1196            </xsl:otherwise>
1197          </xsl:choose>
1198        </xsl:when>
1199        <xsl:when test="organization/text()">
1200          <xsl:value-of select="organization" />
1201          <xsl:if test="organization/@ascii">
1202            <xsl:value-of select="concat(' (',normalize-space(organization/@ascii),')')"/>
1203          </xsl:if>
1204          <xsl:choose>
1205            <xsl:when test="position()=last() - 1">
1206              <xsl:if test="last() &gt; 2">,</xsl:if>
1207              <xsl:text> and </xsl:text>
1208            </xsl:when>
1209            <xsl:otherwise>
1210              <xsl:text>, </xsl:text>
1211            </xsl:otherwise>
1212          </xsl:choose>
1213        </xsl:when>
1214        <xsl:otherwise />
1215      </xsl:choose>
1216    </xsl:for-each>
1217
1218    <xsl:variable name="quoted" select="not($front[1]/title/@x:quotes='false') and not(@quote-title='false')"/>
1219    <xsl:variable name="title">
1220      <xsl:apply-templates select="$front[1]/title/node()" mode="get-text-content"/>
1221    </xsl:variable>
1222
1223    <xsl:if test="$quoted">"<!--&#8220;--></xsl:if>
1224    <xsl:choose>
1225      <xsl:when test="string-length($target) &gt; 0">
1226        <fo:basic-link external-destination="url('{$target}')" xsl:use-attribute-sets="external-link"><xsl:value-of select="$title"/></fo:basic-link>
1227      </xsl:when>
1228      <xsl:otherwise>
1229        <xsl:value-of select="$title"/>
1230      </xsl:otherwise>
1231    </xsl:choose>
1232    <xsl:if test="$quoted">"<!--&#8221;--></xsl:if>
1233   
1234    <xsl:if test="$front[1]/title/@ascii!=''">
1235      <xsl:text> (</xsl:text>
1236      <xsl:if test="$quoted">"<!--&#8220;--></xsl:if>
1237      <xsl:value-of select="normalize-space($front[1]/title/@ascii)" />
1238      <xsl:if test="$quoted">"<!--&#8221;--></xsl:if>
1239      <xsl:text>)</xsl:text>
1240    </xsl:if>
1241
1242    <xsl:variable name="si" select="seriesInfo|$front[1]/seriesInfo"/>
1243    <xsl:if test="seriesInfo and $front[1]/seriesInfo">
1244      <xsl:call-template name="warning">
1245        <xsl:with-param name="msg">seriesInfo present both on reference and reference/front</xsl:with-param>
1246      </xsl:call-template>
1247    </xsl:if>
1248   
1249    <xsl:variable name="doi">
1250      <xsl:choose>
1251        <xsl:when test="$si">
1252          <xsl:call-template name="compute-doi"/>
1253        </xsl:when>
1254        <xsl:when test="document(x:source/@href)/rfc/@number">
1255          <xsl:call-template name="compute-doi">
1256            <xsl:with-param name="rfc" select="document(x:source/@href)/rfc/@number"/>
1257          </xsl:call-template>
1258        </xsl:when>
1259        <xsl:otherwise/>
1260      </xsl:choose>
1261    </xsl:variable>
1262
1263    <xsl:for-each select="$si">
1264      <xsl:call-template name="emit-series-info">
1265        <xsl:with-param name="multiple-rfcs" select="count($si[@name='RFC']) > 1"/>
1266        <xsl:with-param name="doi" select="$doi"/>
1267      </xsl:call-template>
1268    </xsl:for-each>
1269
1270    <!-- fall back to x:source when needed -->
1271    <xsl:if test="not($si) and x:source/@href">
1272      <xsl:variable name="derivedsi" myns:namespaceless-elements="xml2rfc">
1273        <xsl:if test="document(x:source/@href)/rfc/@docName">
1274          <seriesInfo name="Internet-Draft" value="{document(x:source/@href)/rfc/@docName}"/>
1275        </xsl:if>
1276        <xsl:if test="document(x:source/@href)/rfc/@number">
1277          <seriesInfo name="RFC" value="{document(x:source/@href)/rfc/@number}"/>
1278        </xsl:if>
1279      </xsl:variable>
1280      <xsl:variable name="tsi" select="exslt:node-set($derivedsi)/seriesInfo"/>
1281      <xsl:for-each select="$tsi">
1282        <xsl:call-template name="emit-series-info"/>
1283      </xsl:for-each>
1284    </xsl:if>
1285
1286    <!-- Insert DOI for RFCs -->
1287    <xsl:if test="$xml2rfc-ext-insert-doi='yes' and $doi!='' and not(.//seriesInfo[@name='DOI'])">
1288      <xsl:variable name="uri">
1289        <xsl:call-template name="compute-doi-uri">
1290          <xsl:with-param name="doi" select="$doi"/>
1291        </xsl:call-template>
1292      </xsl:variable>
1293      <xsl:text>, </xsl:text>
1294      <fo:basic-link xsl:use-attribute-sets="external-link" external-destination="{$uri}"><xsl:text>DOI </xsl:text><xsl:value-of select="$doi"/></fo:basic-link>
1295    </xsl:if>
1296
1297    <!-- avoid hacks using seriesInfo when it's not really series information -->
1298    <xsl:for-each select="x:prose|refcontent">
1299      <xsl:text>, </xsl:text>
1300      <xsl:apply-templates/>
1301    </xsl:for-each>
1302
1303    <xsl:call-template name="insert-pub-date">
1304      <xsl:with-param name="front" select="$front[1]"/>
1305    </xsl:call-template>
1306
1307    <xsl:choose>
1308      <xsl:when test="string-length(normalize-space(@target)) &gt; 0">
1309        <!-- hack: suppress specified target in reference group when it appears to be an info link to the RFC editor page -->
1310        <xsl:if test="not($in-reference-group) or not(contains(@target,'www.rfc-editor.org/info/rfc'))">
1311          <xsl:text>, &lt;</xsl:text>
1312            <xsl:call-template name="format-uri">
1313              <xsl:with-param name="s" select="@target"/>
1314            </xsl:call-template>
1315          <xsl:text>&gt;</xsl:text>
1316        </xsl:if>
1317      </xsl:when>
1318      <xsl:when test="not($in-reference-group) and $xml2rfc-ext-link-rfc-to-info-page='yes' and .//seriesInfo[@name='BCP'] and starts-with(@anchor, 'BCP')">
1319        <xsl:text>, &lt;</xsl:text>
1320        <xsl:variable name="uri">
1321          <xsl:call-template name="compute-rfc-info-uri">
1322            <xsl:with-param name="type" select="'bcp'"/>
1323            <xsl:with-param name="no" select="../seriesInfo[@name='BCP']/@value"/>
1324          </xsl:call-template>
1325        </xsl:variable>
1326        <xsl:call-template name="format-uri">
1327          <xsl:with-param name="s" select="$uri"/>
1328        </xsl:call-template>
1329        <xsl:text>&gt;</xsl:text>
1330      </xsl:when>
1331      <xsl:when test="not($in-reference-group) and $xml2rfc-ext-link-rfc-to-info-page='yes' and .//seriesInfo[@name='RFC']">
1332        <xsl:text>, &lt;</xsl:text>
1333        <xsl:variable name="uri">
1334          <xsl:call-template name="compute-rfc-info-uri">
1335            <xsl:with-param name="type" select="'rfc'"/>
1336            <xsl:with-param name="no" select="../seriesInfo[@name='RFC']/@value"/>
1337          </xsl:call-template>
1338        </xsl:variable>
1339        <xsl:call-template name="format-uri">
1340          <xsl:with-param name="s" select="$uri"/>
1341        </xsl:call-template>
1342        <xsl:text>&gt;</xsl:text>
1343      </xsl:when>
1344      <xsl:otherwise/>
1345    </xsl:choose>
1346
1347    <xsl:text>.</xsl:text>
1348   
1349    <xsl:for-each select="annotation">
1350      <fo:block><xsl:apply-templates /></fo:block>
1351    </xsl:for-each>
1352   
1353  </fo:block>
1354</xsl:template>
1355
1356<xsl:template match="references">
1357
1358  <xsl:variable name="name">
1359    <xsl:number level="any"/>     
1360  </xsl:variable>
1361
1362  <!-- insert pseudo section when needed -->
1363  <xsl:if test="$name='1' and count(/*/back/references)!=1">
1364    <fo:block id="{$anchor-pref}references" xsl:use-attribute-sets="h1">
1365      <xsl:if test="$name='1'">
1366        <xsl:attribute name="page-break-before">always</xsl:attribute>
1367      </xsl:if>
1368      <xsl:variable name="sectionNumber">
1369        <xsl:call-template name="get-references-section-number"/>
1370      </xsl:variable>
1371      <xsl:call-template name="emit-section-number">
1372        <xsl:with-param name="no" select="$sectionNumber"/>
1373      </xsl:call-template>
1374      <xsl:text>&#160;&#160;</xsl:text>
1375      <xsl:value-of select="$xml2rfc-refparent"/>
1376    </fo:block>
1377  </xsl:if>
1378
1379  <xsl:choose>
1380    <xsl:when test="count(/*/back/references)=1 and not(ancestor::references)">
1381      <fo:block xsl:use-attribute-sets="h1 newpage">
1382        <xsl:call-template name="copy-anchor"/>
1383        <fo:wrapper id="{$anchor-pref}references" >
1384          <xsl:variable name="sectionNumber">
1385            <xsl:call-template name="get-section-number"/>
1386          </xsl:variable>
1387          <xsl:call-template name="emit-section-number">
1388            <xsl:with-param name="no" select="$sectionNumber"/>
1389          </xsl:call-template>
1390          <xsl:text>&#160;&#160;</xsl:text>
1391          <xsl:choose>
1392            <xsl:when test="name">
1393              <xsl:if test="@title">
1394                <xsl:call-template name="warning">
1395                  <xsl:with-param name="msg">both @title attribute and name child node present</xsl:with-param>
1396                </xsl:call-template>
1397              </xsl:if>
1398              <xsl:apply-templates select="name/node()"/>
1399            </xsl:when>
1400            <xsl:when test="@title!=''"><xsl:value-of select="@title"/></xsl:when>
1401            <xsl:otherwise><xsl:value-of select="$xml2rfc-refparent"/></xsl:otherwise>
1402          </xsl:choose>
1403        </fo:wrapper>
1404      </fo:block>
1405    </xsl:when>
1406    <xsl:otherwise>
1407      <fo:block xsl:use-attribute-sets="h2">
1408        <xsl:call-template name="copy-anchor"/>
1409        <fo:wrapper id="{$anchor-pref}references.{$name}" >
1410          <xsl:variable name="sectionNumber">
1411            <xsl:call-template name="get-section-number"/>
1412          </xsl:variable>
1413          <xsl:call-template name="emit-section-number">
1414            <xsl:with-param name="no" select="$sectionNumber"/>
1415          </xsl:call-template>
1416          <xsl:text>&#160;&#160;</xsl:text>
1417          <xsl:choose>
1418            <xsl:when test="name">
1419              <xsl:if test="@title">
1420                <xsl:call-template name="warning">
1421                  <xsl:with-param name="msg">both @title attribute and name child node present</xsl:with-param>
1422                </xsl:call-template>
1423              </xsl:if>
1424              <xsl:apply-templates select="name/node()"/>
1425            </xsl:when>
1426            <xsl:when test="@title!=''"><xsl:value-of select="@title"/></xsl:when>
1427            <xsl:otherwise><xsl:value-of select="$xml2rfc-refparent"/></xsl:otherwise>
1428          </xsl:choose>
1429        </fo:wrapper>
1430      </fo:block>
1431    </xsl:otherwise>
1432  </xsl:choose>
1433
1434  <!-- find longest label and use it to calculate indentation-->
1435  <xsl:variable name="l">
1436    <xsl:choose>
1437      <xsl:when test="$xml2rfc-symrefs='no'">[99]</xsl:when>
1438      <xsl:otherwise>
1439        <xsl:for-each select="//reference|//referencegroup|exslt:node-set($includeDirectives)/myns:include/reference">
1440          <xsl:sort select="string-length(@anchor)" order="descending" data-type="number"/>
1441          <xsl:if test="position()=1">
1442            <xsl:value-of select="@anchor" />
1443          </xsl:if>
1444        </xsl:for-each>
1445      </xsl:otherwise>
1446    </xsl:choose>
1447  </xsl:variable>
1448
1449  <xsl:variable name="included" select="exslt:node-set($includeDirectives)/myns:include[@in=generate-id(current())]/*[self::reference or self::referencegroup]"/>
1450  <xsl:variable name="refs" select="reference|referencegroup|$included"/>
1451  <xsl:choose>
1452    <xsl:when test="references">
1453      <xsl:apply-templates select="references"/>
1454      <xsl:if test="$refs">
1455        <xsl:call-template name="error">
1456          <xsl:with-param name="msg">Cannot mix &lt;references> elements with other child nodes such as <xsl:value-of select="local-name($refs[1])"/> (these will be ignored)</xsl:with-param>
1457        </xsl:call-template>
1458      </xsl:if>
1459    </xsl:when>
1460    <xsl:when test="$refs">
1461      <fo:list-block provisional-distance-between-starts="{string-length($l) * 0.8}em">
1462        <xsl:choose>
1463          <xsl:when test="$xml2rfc-sortrefs='yes' and $xml2rfc-symrefs!='no'">
1464            <xsl:apply-templates select="$refs">
1465              <xsl:sort select="concat(/rfc/back/displayreference[@target=current()/@anchor]/@to,@anchor,.//ed:ins//reference/@anchor)" />
1466            </xsl:apply-templates>
1467          </xsl:when>
1468          <xsl:otherwise>
1469            <xsl:apply-templates select="$refs"/>
1470          </xsl:otherwise>
1471        </xsl:choose>
1472      </fo:list-block>
1473    </xsl:when>
1474    <xsl:otherwise/>
1475  </xsl:choose>
1476</xsl:template>
1477
1478<!-- handled above -->
1479<xsl:template match="references/name"/>
1480
1481<xsl:template match="rfc">
1482  <fo:root xsl:use-attribute-sets="base">
1483   
1484    <fo:layout-master-set>
1485      <fo:simple-page-master master-name="first-page" xsl:use-attribute-sets="page">
1486        <fo:region-body margin-bottom="1in" margin-top="1in"/>
1487         <fo:region-after extent="1cm" region-name="footer"/>
1488      </fo:simple-page-master>
1489      <fo:simple-page-master master-name="other-pages-right" xsl:use-attribute-sets="page">
1490        <fo:region-body margin-bottom="1in" margin-top="1in" />
1491        <fo:region-before extent="1cm" region-name="header-right"/>
1492        <fo:region-after extent="1cm" region-name="footer-right"/>
1493      </fo:simple-page-master>
1494      <fo:simple-page-master master-name="other-pages-left" xsl:use-attribute-sets="page">
1495        <fo:region-body margin-bottom="1in" margin-top="1in" />
1496        <fo:region-before extent="1cm" region-name="header-left"/>
1497        <fo:region-after extent="1cm" region-name="footer-left"/>
1498      </fo:simple-page-master>
1499      <fo:simple-page-master master-name="other-pages-dc-right" xsl:use-attribute-sets="page">
1500        <fo:region-body margin-bottom="1in" margin-top="1in" column-count="2"/>
1501        <fo:region-before extent="1cm" region-name="header-right"/>
1502        <fo:region-after extent="1cm" region-name="footer-right"/>
1503      </fo:simple-page-master>
1504      <fo:simple-page-master master-name="other-pages-dc-left" xsl:use-attribute-sets="page">
1505        <fo:region-body margin-bottom="1in" margin-top="1in" column-count="2"/>
1506        <fo:region-before extent="1cm" region-name="header-left"/>
1507        <fo:region-after extent="1cm" region-name="footer-left"/>
1508      </fo:simple-page-master>
1509      <fo:page-sequence-master master-name="sequence"> 
1510        <fo:single-page-master-reference master-reference="first-page" />
1511        <xsl:choose>
1512          <xsl:when test="$xml2rfc-ext-duplex='yes'">
1513            <fo:repeatable-page-master-alternatives>
1514              <fo:conditional-page-master-reference odd-or-even="even" master-reference="other-pages-left"/>
1515              <fo:conditional-page-master-reference odd-or-even="odd" master-reference="other-pages-right"/>
1516            </fo:repeatable-page-master-alternatives>
1517          </xsl:when>
1518          <xsl:otherwise>
1519            <fo:repeatable-page-master-reference master-reference="other-pages-right" /> 
1520          </xsl:otherwise>
1521        </xsl:choose>
1522      </fo:page-sequence-master>
1523      <fo:page-sequence-master master-name="sequence-dc"> 
1524        <xsl:choose>
1525          <xsl:when test="$xml2rfc-ext-duplex='yes'">
1526            <fo:repeatable-page-master-alternatives>
1527              <fo:conditional-page-master-reference odd-or-even="even" master-reference="other-pages-dc-left"/>
1528              <fo:conditional-page-master-reference odd-or-even="odd" master-reference="other-pages-dc-right"/>
1529            </fo:repeatable-page-master-alternatives>
1530          </xsl:when>
1531          <xsl:otherwise>
1532            <fo:repeatable-page-master-reference master-reference="other-pages-dc-right" /> 
1533          </xsl:otherwise>
1534        </xsl:choose>
1535      </fo:page-sequence-master>
1536    </fo:layout-master-set>
1537
1538    <fo:declarations>
1539      <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
1540        <rdf:Description rdf:about="" xmlns:dc="http://purl.org/dc/elements/1.1/">
1541          <dc:title><xsl:apply-templates select="front/title" mode="get-text-content"/></dc:title>
1542          <dc:creator><xsl:call-template name="get-author-summary" /></dc:creator>
1543          <dc:description><xsl:value-of select="normalize-space(/rfc/front/abstract)"/></dc:description>
1544          <xsl:if test="$is-rfc">
1545            <dc:isPartOf>urn:ISSN:2070-1721</dc:isPartOf>
1546          </xsl:if>     
1547          <xsl:if test="/rfc/front/keyword" xmlns:pdf="http://ns.adobe.com/pdf/1.3/">
1548            <pdf:Keywords>
1549              <xsl:for-each select="/rfc/front/keyword">
1550                <xsl:value-of select="."/>
1551                <xsl:if test="position()!=last()">, </xsl:if>
1552              </xsl:for-each>
1553            </pdf:Keywords>
1554          </xsl:if>
1555        </rdf:Description>
1556      </rdf:RDF>
1557    </fo:declarations>
1558   
1559    <fo:bookmark-tree>
1560      <xsl:apply-templates select="." mode="bookmarks" />
1561    </fo:bookmark-tree>
1562
1563    <xsl:variable name="lang"><xsl:call-template name="get-lang"/></xsl:variable>
1564
1565    <fo:page-sequence master-reference="sequence" language="{$lang}">
1566      <xsl:if test="$xml2rfc-ext-duplex='yes'">
1567        <xsl:attribute name="force-page-count">even</xsl:attribute>
1568      </xsl:if>
1569
1570      <xsl:call-template name="insertHeader" />
1571      <xsl:call-template name="insertFooter" />
1572     
1573      <fo:flow flow-name="xsl-region-body">
1574       
1575        <!-- process front & middle section, but not back -->
1576        <xsl:apply-templates />
1577       
1578        <!-- because it requires multiple page masters -->
1579        <!-- references first -->
1580        <xsl:apply-templates select="back/references" />
1581       
1582        <xsl:if test="$xml2rfc-ext-authors-section='before-appendices'">
1583          <xsl:call-template name="insertAuthors" />
1584        </xsl:if>
1585       
1586        <!-- add all other top-level sections under <back> -->
1587        <xsl:apply-templates select="back/*[not(self::references)]" />
1588     
1589      </fo:flow>
1590    </fo:page-sequence>
1591   
1592    <xsl:if test="$has-index">
1593      <fo:page-sequence master-reference="sequence-dc" language="{$lang}">
1594        <xsl:if test="$xml2rfc-ext-duplex='yes'">
1595          <xsl:attribute name="force-page-count">even</xsl:attribute>
1596        </xsl:if>
1597        <xsl:call-template name="insertHeader" />
1598        <xsl:call-template name="insertFooter" />
1599        <fo:flow flow-name="xsl-region-body" xsl:use-attribute-sets="index">
1600          <xsl:call-template name="insertIndex" />   
1601        </fo:flow>
1602      </fo:page-sequence>
1603    </xsl:if>
1604
1605    <xsl:if test="$xml2rfc-ext-authors-section='end' or ($xml2rfc-private='' and not($no-copylong))">
1606      <fo:page-sequence master-reference="sequence" language="{$lang}">
1607        <xsl:if test="$xml2rfc-ext-duplex='yes'">
1608          <xsl:attribute name="force-page-count">even</xsl:attribute>
1609        </xsl:if>
1610 
1611        <xsl:call-template name="insertHeader" />
1612        <xsl:call-template name="insertFooter" />
1613       
1614        <fo:flow flow-name="xsl-region-body">
1615         
1616          <xsl:if test="$xml2rfc-ext-authors-section='end'">
1617            <xsl:call-template name="insertAuthors" />
1618          </xsl:if>
1619 
1620          <xsl:if test="$xml2rfc-private=''">
1621            <!-- copyright statements -->
1622            <xsl:variable name="copyright">
1623              <xsl:call-template name="insertCopyright" />
1624            </xsl:variable>
1625           
1626            <xsl:if test="normalize-space($copyright)=''">
1627              <fo:block/>
1628            </xsl:if>
1629
1630            <xsl:apply-templates select="exslt:node-set($copyright)/node()" />
1631          </xsl:if>
1632        </fo:flow>
1633      </fo:page-sequence>
1634    </xsl:if>
1635   
1636  </fo:root>
1637</xsl:template>
1638
1639
1640<xsl:template name="section-maker">
1641  <xsl:variable name="sectionNumber">
1642    <xsl:choose>
1643      <xsl:when test="ancestor::boilerplate"></xsl:when>
1644      <xsl:otherwise><xsl:call-template name="get-section-number" /></xsl:otherwise>
1645    </xsl:choose>
1646  </xsl:variable>
1647
1648  <xsl:if test="$sectionNumber!=''">
1649    <xsl:attribute name="id"><xsl:value-of select="concat($anchor-pref,'section.',$sectionNumber)"/>
1650  </xsl:attribute></xsl:if>
1651 
1652  <xsl:call-template name="add-anchor" />
1653 
1654  <xsl:if test="$sectionNumber!='' and not(contains($sectionNumber,$unnumbered))">
1655    <xsl:call-template name="emit-section-number">
1656      <xsl:with-param name="no" select="$sectionNumber"/>
1657      <xsl:with-param name="appendixPrefix" select="true()"/>
1658    </xsl:call-template>
1659    <xsl:text>&#0160;&#0160;</xsl:text>
1660  </xsl:if>
1661 
1662  <xsl:choose>
1663    <xsl:when test="name">
1664      <xsl:apply-templates select="name/node()"/>
1665      <xsl:if test="@title">
1666        <xsl:call-template name="warning">
1667          <xsl:with-param name="msg">both @title attribute and name child node present</xsl:with-param>
1668        </xsl:call-template>
1669      </xsl:if>
1670    </xsl:when>
1671    <xsl:otherwise>
1672      <xsl:value-of select="@title" />
1673    </xsl:otherwise>
1674  </xsl:choose>
1675</xsl:template>
1676
1677<!-- handled in section-maker -->
1678<xsl:template match="section/name"/>
1679
1680<!-- suppress xml2rfc preptool artefacts -->
1681<xsl:template match="section[author]" priority="9"/>
1682
1683<xsl:template match="section[count(ancestor::section) = 0 and (ancestor::boilerplate)]">
1684
1685  <fo:block xsl:use-attribute-sets="h1">
1686    <xsl:call-template name="section-maker" />
1687  </fo:block>
1688
1689  <xsl:if test="@removeInRFC='true' and (not(t) or t[1]!=$section-removeInRFC)">
1690    <fo:block font-style="italic" start-indent="2em">
1691      <xsl:value-of select="$section-removeInRFC"/>
1692    </fo:block>
1693  </xsl:if>
1694
1695  <xsl:apply-templates select="iref" mode="iref-start"/>
1696  <xsl:apply-templates />
1697  <xsl:apply-templates select="iref" mode="iref-end"/>
1698</xsl:template>
1699
1700<xsl:template match="section[count(ancestor::section) = 0 and not(ancestor::boilerplate)]">
1701
1702  <fo:block xsl:use-attribute-sets="h1 newpage">
1703    <xsl:call-template name="section-maker" />
1704  </fo:block>
1705
1706  <xsl:if test="@removeInRFC='true' and (not(t) or t[1]!=$section-removeInRFC)">
1707    <fo:block font-style="italic" start-indent="2em">
1708      <xsl:value-of select="$section-removeInRFC"/>
1709    </fo:block>
1710  </xsl:if>
1711
1712  <xsl:apply-templates select="iref" mode="iref-start"/>
1713  <xsl:apply-templates />
1714  <xsl:apply-templates select="iref" mode="iref-end"/>
1715</xsl:template>
1716
1717<xsl:template match="section[count(ancestor::section) = 1]">
1718  <fo:block xsl:use-attribute-sets="h2">
1719    <xsl:call-template name="section-maker" />
1720  </fo:block>
1721
1722  <xsl:if test="@removeInRFC='true' and t[1]!=$section-removeInRFC">
1723    <fo:block font-style="italic" start-indent="2em">
1724      <xsl:value-of select="$section-removeInRFC"/>
1725    </fo:block>
1726  </xsl:if>
1727
1728  <xsl:apply-templates select="iref" mode="iref-start"/>
1729  <xsl:apply-templates />
1730  <xsl:apply-templates select="iref" mode="iref-end"/>
1731</xsl:template>
1732
1733<xsl:template match="section[count(ancestor::section) &gt; 1]">
1734  <fo:block xsl:use-attribute-sets="h3">
1735    <xsl:call-template name="section-maker" />
1736  </fo:block>
1737
1738  <xsl:apply-templates select="iref" mode="iref-start"/>
1739  <xsl:apply-templates />
1740  <xsl:apply-templates select="iref" mode="iref-end"/>
1741</xsl:template>
1742
1743<xsl:template match="spanx[@style='emph' or not(@style)]|em">
1744  <fo:wrapper font-style="italic">
1745    <xsl:call-template name="copy-anchor"/>
1746    <xsl:apply-templates />
1747  </fo:wrapper>
1748</xsl:template>
1749
1750<xsl:template match="spanx[@style='strong']|strong">
1751  <fo:wrapper font-weight="bold">
1752    <xsl:call-template name="copy-anchor"/>
1753    <xsl:apply-templates />
1754  </fo:wrapper>
1755</xsl:template>
1756
1757<xsl:template match="spanx[@style='verb' or @style='vbare']|tt">
1758  <fo:wrapper font-family="monospace">
1759    <xsl:call-template name="copy-anchor"/>
1760    <xsl:apply-templates/>
1761  </fo:wrapper>
1762</xsl:template>
1763
1764<xsl:template match="t">
1765  <fo:block space-before=".5em" space-after=".5em">
1766    <xsl:call-template name="insert-justification"/>
1767    <xsl:variable name="indent">
1768      <xsl:choose>
1769        <xsl:when test="@indent and number(@indent)&gt;0">
1770          <xsl:value-of select="@indent div 2"/>
1771        </xsl:when>
1772        <xsl:otherwise>0</xsl:otherwise>
1773      </xsl:choose>
1774    </xsl:variable>
1775    <xsl:attribute name="start-indent">
1776      <xsl:choose>
1777        <xsl:when test="parent::x:blockquote|parent::blockquote"><xsl:value-of select="4 + $indent"/>em</xsl:when>
1778        <xsl:when test="parent::x:note|parent::aside"><xsl:value-of select="4 + $indent"/>em</xsl:when>
1779        <xsl:otherwise><xsl:value-of select="2 + $indent"/>em</xsl:otherwise>
1780      </xsl:choose>
1781    </xsl:attribute>
1782    <xsl:call-template name="copy-anchor"/>
1783    <xsl:apply-templates />
1784  </fo:block>
1785</xsl:template>
1786               
1787<xsl:template match="vspace">
1788  <fo:block/>
1789</xsl:template>
1790
1791<!-- xref to section or appendix -->
1792<xsl:template name="xref-to-section">
1793  <xsl:param name="from"/>
1794  <xsl:param name="to"/>
1795  <xsl:param name="id"/>
1796  <xsl:param name="irefs"/>
1797  <xsl:param name="child-nodes"/>
1798 
1799  <xsl:choose>
1800    <xsl:when test="$child-nodes and not($from/@format='none') and $xml2rfc-ext-xref-with-text-generate!='nothing'">
1801      <xsl:apply-templates select="$child-nodes"/>
1802      <xsl:text> (</xsl:text>
1803      <fo:basic-link internal-destination="{$from/@target}" xsl:use-attribute-sets="internal-link">
1804        <xsl:if test="$irefs">
1805          <!-- insert id when a backlink to this xref is needed in the index -->
1806          <xsl:attribute name="id"><xsl:value-of select="$id"/></xsl:attribute>
1807        </xsl:if>
1808        <xsl:for-each select="$irefs">
1809          <fo:wrapper index-key="{concat('item=',@item,',subitem=',@subitem)}" />
1810        </xsl:for-each>
1811        <xsl:call-template name="render-section-ref">
1812          <xsl:with-param name="from" select="$from"/>
1813          <xsl:with-param name="to" select="$to"/>
1814        </xsl:call-template>
1815      </fo:basic-link>
1816      <xsl:text>)</xsl:text>
1817    </xsl:when>
1818    <xsl:otherwise>
1819      <fo:basic-link internal-destination="{$from/@target}" xsl:use-attribute-sets="internal-link">
1820        <xsl:if test="$irefs">
1821          <!-- insert id when a backlink to this xref is needed in the index -->
1822          <xsl:attribute name="id"><xsl:value-of select="$id"/></xsl:attribute>
1823        </xsl:if>
1824        <xsl:for-each select="$irefs">
1825          <fo:wrapper index-key="{concat('item=',@item,',subitem=',@subitem)}" />
1826        </xsl:for-each>
1827        <xsl:call-template name="render-section-ref">
1828          <xsl:with-param name="from" select="$from"/>
1829          <xsl:with-param name="to" select="$to"/>
1830          <xsl:with-param name="child-nodes" select="$child-nodes"/>
1831        </xsl:call-template>
1832      </fo:basic-link>
1833    </xsl:otherwise>
1834  </xsl:choose>
1835    </xsl:template>
1836
1837<!-- xref to figure -->
1838<xsl:template name="xref-to-figure">
1839  <xsl:param name="from"/>
1840  <xsl:param name="to"/>
1841  <xsl:param name="child-nodes"/>
1842
1843  <fo:basic-link internal-destination="{$from/@target}" xsl:use-attribute-sets="internal-link">
1844    <xsl:call-template name="xref-to-figure-text">
1845      <xsl:with-param name="from" select="$from"/>
1846      <xsl:with-param name="to" select="$to"/>
1847      <xsl:with-param name="child-nodes" select="$child-nodes"/>
1848    </xsl:call-template>
1849  </fo:basic-link>
1850</xsl:template>
1851
1852<!-- xref to table -->
1853<xsl:template name="xref-to-table">
1854  <xsl:param name="from"/>
1855  <xsl:param name="to"/>
1856  <xsl:param name="child-nodes"/>
1857
1858  <fo:basic-link internal-destination="{$from/@target}" xsl:use-attribute-sets="internal-link">
1859    <xsl:call-template name="xref-to-table-text">
1860      <xsl:with-param name="from" select="$from"/>
1861      <xsl:with-param name="to" select="$to"/>
1862      <xsl:with-param name="child-nodes" select="$child-nodes"/>
1863    </xsl:call-template>
1864  </fo:basic-link>
1865</xsl:template>
1866
1867<!-- xref to paragraph -->
1868<xsl:template name="xref-to-paragraph">
1869  <xsl:param name="from"/>
1870  <xsl:param name="to"/>
1871  <xsl:param name="anchor"/>
1872  <xsl:param name="child-nodes"/>
1873
1874  <fo:basic-link internal-destination="{$anchor}" xsl:use-attribute-sets="internal-link">
1875    <xsl:call-template name="xref-to-paragraph-text">
1876      <xsl:with-param name="from" select="$from"/>
1877      <xsl:with-param name="to" select="$to"/>
1878      <xsl:with-param name="child-nodes" select="$child-nodes"/>
1879    </xsl:call-template>
1880  </fo:basic-link>
1881</xsl:template>
1882
1883<xsl:template name="emit-link">
1884  <xsl:param name="target"/>
1885  <xsl:param name="id"/>
1886  <xsl:param name="title"/>
1887  <xsl:param name="citation-title"/>
1888  <xsl:param name="index-item"/>
1889  <xsl:param name="index-subitem"/>
1890  <xsl:param name="text"/>
1891  <xsl:param name="child-nodes"/>
1892 
1893  <xsl:if test="$text!='' and $child-nodes">
1894    <xsl:call-template name="warning">
1895      <xsl:with-param name="msg">emit-link called both with text and child-nodes</xsl:with-param>
1896    </xsl:call-template>
1897  </xsl:if>
1898 
1899  <xsl:variable name="t">
1900    <xsl:if test="starts-with($target,'#')">
1901      <xsl:value-of select="substring($target,2)"/>
1902    </xsl:if>
1903  </xsl:variable>
1904
1905  <xsl:choose>
1906    <xsl:when test="$t!=''">
1907      <fo:basic-link internal-destination="{$t}" xsl:use-attribute-sets="internal-link">
1908        <xsl:if test="$id!='' and $xml2rfc-ext-include-references-in-index='yes'">
1909          <xsl:attribute name="id"><xsl:value-of select="$id"/></xsl:attribute>
1910        </xsl:if>
1911        <xsl:if test="$index-item!='' and $xml2rfc-ext-include-references-in-index='yes'">
1912          <xsl:attribute name="index-key">xrefitem=<xsl:value-of select="$index-item"/></xsl:attribute>
1913        </xsl:if>
1914        <xsl:if test="$index-subitem!='' and $xml2rfc-ext-include-references-in-index='yes'">
1915          <fo:wrapper index-key="xrefitem={concat($index-item,'#',$index-subitem)}"/>
1916        </xsl:if>
1917        <xsl:choose>
1918          <xsl:when test="$child-nodes">
1919            <xsl:apply-templates select="$child-nodes"/>
1920          </xsl:when>
1921          <xsl:otherwise>
1922            <xsl:value-of select="$text"/>
1923          </xsl:otherwise>
1924        </xsl:choose>
1925      </fo:basic-link>
1926    </xsl:when>
1927    <xsl:when test="$target!=''">
1928      <fo:basic-link external-destination="{$target}" xsl:use-attribute-sets="external-link">
1929        <xsl:if test="$id!='' and $xml2rfc-ext-include-references-in-index='yes'">
1930          <xsl:attribute name="id"><xsl:value-of select="$id"/></xsl:attribute>
1931        </xsl:if>
1932        <xsl:if test="$index-item!='' and $xml2rfc-ext-include-references-in-index='yes'">
1933          <xsl:attribute name="index-key">xrefitem=<xsl:value-of select="$index-item"/></xsl:attribute>
1934        </xsl:if>
1935        <xsl:if test="$index-subitem!='' and $xml2rfc-ext-include-references-in-index='yes'">
1936          <fo:wrapper index-key="xrefitem={concat($index-item,'#',$index-subitem)}"/>
1937        </xsl:if>
1938        <xsl:choose>
1939          <xsl:when test="$child-nodes">
1940            <xsl:apply-templates select="$child-nodes"/>
1941          </xsl:when>
1942          <xsl:otherwise>
1943            <xsl:value-of select="$text"/>
1944          </xsl:otherwise>
1945        </xsl:choose>
1946      </fo:basic-link>
1947    </xsl:when>
1948    <xsl:when test="($id!='' and $xml2rfc-ext-include-references-in-index='yes') or ($index-item!='' and $xml2rfc-ext-include-references-in-index='yes')">
1949      <fo:wrapper>
1950        <xsl:if test="$id!='' and $xml2rfc-ext-include-references-in-index='yes'">
1951          <xsl:attribute name="id"><xsl:value-of select="$id"/></xsl:attribute>
1952        </xsl:if>
1953        <xsl:if test="$index-item!='' and $xml2rfc-ext-include-references-in-index='yes'">
1954          <xsl:attribute name="index-key">xrefitem=<xsl:value-of select="$index-item"/></xsl:attribute>
1955        </xsl:if>
1956        <xsl:if test="$index-subitem!='' and $xml2rfc-ext-include-references-in-index='yes'">
1957          <fo:wrapper index-key="xrefitem={concat($index-item,'#',$index-subitem)}"/>
1958        </xsl:if>
1959        <xsl:choose>
1960          <xsl:when test="$child-nodes">
1961            <xsl:apply-templates select="$child-nodes"/>
1962          </xsl:when>
1963          <xsl:otherwise>
1964            <xsl:value-of select="$text"/>
1965          </xsl:otherwise>
1966        </xsl:choose>
1967      </fo:wrapper>
1968    </xsl:when>
1969    <xsl:otherwise>
1970      <xsl:choose>
1971        <xsl:when test="$child-nodes">
1972          <xsl:apply-templates select="$child-nodes"/>
1973        </xsl:when>
1974        <xsl:otherwise>
1975          <xsl:value-of select="$text"/>
1976        </xsl:otherwise>
1977      </xsl:choose>
1978    </xsl:otherwise>
1979  </xsl:choose> 
1980</xsl:template>
1981
1982<xsl:template match="xref|relref">
1983  <xsl:apply-imports/>
1984</xsl:template>
1985
1986<xsl:template match="/">
1987  <xsl:apply-templates />
1988</xsl:template>
1989
1990<xsl:template match="xi:include">
1991  <xsl:choose>
1992    <xsl:when test="not(parent::references)">
1993      <xsl:call-template name="error">
1994        <xsl:with-param name="msg" select="'Support for x:include is restricted to child elements of &lt;references>'"/>
1995      </xsl:call-template>
1996    </xsl:when>
1997    <xsl:otherwise>
1998      <!-- handled elsewhere -->
1999    </xsl:otherwise>
2000  </xsl:choose>
2001</xsl:template>
2002
2003<xsl:template match="br">
2004  <fo:block/>
2005</xsl:template>
2006
2007<xsl:template match="*">
2008  <xsl:message terminate="yes">ERROR: unknown or unexpected element: {<xsl:value-of select="namespace-uri()" />}<xsl:value-of select="local-name()" /><xsl:call-template name="lineno"/>: '<xsl:value-of select="."/>'</xsl:message>
2009</xsl:template>
2010
2011<!-- work around for text() formatter applying templates to generated table -->
2012<xsl:template match="myns:item//a">
2013  <xsl:value-of select="."/>
2014</xsl:template>
2015
2016<xsl:template name="emitheader">
2017  <xsl:param name="lc" />
2018  <xsl:param name="rc" />
2019
2020  <xsl:for-each select="$lc/myns:item | $rc/myns:item">
2021    <xsl:variable name="pos" select="position()" />
2022    <xsl:if test="$pos &lt; count($lc/myns:item) + 1 or $pos &lt; count($rc/myns:item) + 1">
2023      <fo:table-row>
2024        <fo:table-cell>
2025          <fo:block>
2026            <xsl:apply-templates select="$lc/myns:item[$pos]/node()" mode="simple-html" />
2027          </fo:block>
2028        </fo:table-cell>
2029        <fo:table-cell>
2030          <fo:block text-align="right">
2031            <xsl:apply-templates select="$rc/myns:item[$pos]/node()" mode="simple-html" />
2032          </fo:block>
2033        </fo:table-cell>
2034      </fo:table-row>
2035    </xsl:if>
2036  </xsl:for-each>
2037</xsl:template>
2038
2039<xsl:template match="text()" mode="simple-html">
2040  <xsl:apply-templates select="." />
2041</xsl:template>
2042
2043<xsl:template match="a" mode="simple-html">
2044  <fo:basic-link external-destination="url('{@href}')" xsl:use-attribute-sets="external-link">
2045    <xsl:apply-templates />
2046  </fo:basic-link>
2047</xsl:template>
2048
2049
2050<!-- produce back section with author information -->
2051<xsl:template name="insertAuthors">
2052
2053  <xsl:variable name="sectionNumber">
2054    <xsl:call-template name="get-authors-section-number"/>
2055  </xsl:variable>
2056
2057  <xsl:if test="$sectionNumber!='suppress' and $xml2rfc-authorship!='no'">
2058    <fo:block id="{$anchor-pref}authors" xsl:use-attribute-sets="h1 newpage">
2059      <xsl:if test="$sectionNumber != ''">
2060        <xsl:call-template name="emit-section-number">
2061          <xsl:with-param name="no" select="$sectionNumber"/>
2062        </xsl:call-template>
2063        <xsl:text>&#0160;&#0160;</xsl:text>
2064      </xsl:if>
2065      <xsl:call-template name="get-authors-section-title"/>
2066    </fo:block>
2067   
2068    <xsl:apply-templates select="/rfc/front/author" />
2069  </xsl:if>
2070</xsl:template>
2071
2072<xsl:template name="insert-index-item">
2073  <xsl:param name="in-artwork"/>
2074  <xsl:param name="irefs"/>
2075  <xsl:param name="xrefs"/>
2076  <xsl:param name="extrefs"/>
2077
2078  <xsl:choose>
2079    <xsl:when test="$in-artwork">
2080      <fo:wrapper font-family="monospace"><xsl:value-of select="@item" /></fo:wrapper>
2081    </xsl:when>
2082    <xsl:otherwise>
2083      <xsl:value-of select="@item" />
2084    </xsl:otherwise>
2085  </xsl:choose>
2086  <xsl:text> </xsl:text>
2087 
2088  <xsl:if test="$irefs">
2089    <fo:index-page-citation-list merge-sequential-page-numbers="merge">
2090      <fo:index-key-reference page-number-treatment="link" ref-index-key="{concat('item=',@item,',subitem=',@subitem,',primary')}" font-weight="bold"/>
2091      <fo:index-key-reference page-number-treatment="link" ref-index-key="{concat('item=',@item,',subitem=',@subitem)}"/>
2092    </fo:index-page-citation-list>
2093  </xsl:if>
2094
2095</xsl:template>
2096
2097<xsl:template name="insert-index-subitem">
2098  <xsl:param name="in-artwork"/>
2099  <xsl:param name="irefs"/>
2100  <xsl:param name="xrefs"/>
2101  <xsl:param name="extrefs"/>
2102
2103  <fo:block start-indent="2em" hyphenate="true">
2104      <xsl:choose>
2105        <xsl:when test="$in-artwork">
2106          <fo:wrapper font-family="monospace"><xsl:value-of select="@subitem" /></fo:wrapper>
2107        </xsl:when>
2108        <xsl:otherwise>
2109          <xsl:value-of select="@subitem" />
2110        </xsl:otherwise>
2111      </xsl:choose>
2112      <xsl:text> </xsl:text>
2113
2114      <xsl:if test="$irefs">
2115        <fo:index-page-citation-list merge-sequential-page-numbers="merge">
2116          <fo:index-key-reference page-number-treatment="link" ref-index-key="{concat('item=',@item,',subitem=',@subitem,',primary')}" font-weight="bold"/>
2117          <fo:index-key-reference page-number-treatment="link" ref-index-key="{concat('item=',@item,',subitem=',@subitem)}" />
2118        </fo:index-page-citation-list>
2119      </xsl:if>
2120
2121    </fo:block>
2122</xsl:template>
2123
2124<xsl:variable name="item-wrapper-element">fo:block</xsl:variable>
2125<xsl:attribute-set name="item-wrapper-element">
2126  <xsl:attribute name="start-indent">1em</xsl:attribute>
2127  <xsl:attribute name="hyphenate">true</xsl:attribute>
2128</xsl:attribute-set>
2129<xsl:variable name="subitems-wrapper-element">fo:wrapper</xsl:variable>
2130
2131<!-- generate the index section -->
2132
2133<xsl:template name="insertIndex">
2134
2135  <fo:block xsl:use-attribute-sets="h1 newpage" id="{$anchor-pref}index">
2136    <xsl:text>Index</xsl:text>
2137  </fo:block>
2138
2139  <xsl:for-each select="//iref | //reference[not(starts-with(@anchor,'deleted-'))]">
2140    <xsl:sort select="translate(concat(@item,/rfc/back/displayreference[@target=current()/@anchor]/@to,@anchor),$lcase,$ucase)" />
2141    <xsl:variable name="letter" select="translate(substring(concat(@item,/rfc/back/displayreference[@target=current()/@anchor]/@to,@anchor),1,1),$lcase,$ucase)"/>
2142           
2143    <xsl:variable name="showit" select="$xml2rfc-ext-include-references-in-index='yes' or self::iref"/>
2144
2145    <xsl:if test="$showit and generate-id(.) = generate-id(key('index-first-letter',$letter)[1])">
2146      <fo:block space-before="1em" font-weight="bold">
2147        <xsl:value-of select="$letter" />
2148      </fo:block>
2149           
2150      <xsl:for-each select="key('index-first-letter',$letter)">
2151 
2152        <xsl:sort select="translate(concat(@item,@anchor),$lcase,$ucase)" />
2153     
2154        <xsl:choose>
2155          <xsl:when test="self::reference">
2156            <xsl:if test="$xml2rfc-ext-include-references-in-index='yes' and not(starts-with(@anchor,'deleted-'))">
2157           
2158              <xsl:variable name="rs" select="key('xref-item',current()/@anchor) | . | key('anchor-item',concat('deleted-',current()/@anchor))"/>
2159             
2160              <fo:block start-indent="1em" hyphenate="true">
2161                <xsl:variable name="val">
2162                  <xsl:call-template name="reference-name"/>
2163                </xsl:variable>
2164                <fo:wrapper font-style="italic"><xsl:value-of select="substring($val,2,string-length($val)-2)"/></fo:wrapper>
2165                <xsl:text> </xsl:text>
2166
2167                <fo:index-page-citation-list merge-sequential-page-numbers="merge">
2168                  <fo:index-key-reference page-number-treatment="link" ref-index-key="{concat('xrefitem=',@anchor,',primary')}" font-weight="bold"/>
2169                  <fo:index-key-reference page-number-treatment="link" ref-index-key="{concat('xrefitem=',@anchor)}"/>
2170                </fo:index-page-citation-list>
2171
2172                <xsl:variable name="rs2" select="$rs[@x:sec|@section]"/>
2173
2174                <xsl:if test="$rs2">
2175                  <xsl:for-each select="$rs2">
2176                    <xsl:sort select="substring-before(concat(@x:sec,@section,'.'),'.')" data-type="number"/>
2177                    <xsl:sort select="substring(concat(@x:sec,@section),2+string-length(substring-before(concat(@x:sec,@section),'.')))" data-type="number"/>
2178
2179                    <xsl:if test="generate-id(.) = generate-id(key('index-xref-by-sec',concat(@target,'..',@x:sec,@section)))">
2180                      <fo:block start-indent="2em" hyphenate="true">
2181                        <fo:wrapper font-style="italic">
2182                          <xsl:call-template name="format-section-ref">
2183                            <xsl:with-param name="number" select="concat(@x:sec,@section)"/>
2184                          </xsl:call-template>
2185                          <xsl:text>&#160;</xsl:text>
2186                        </fo:wrapper>
2187                        <fo:index-page-citation-list merge-sequential-page-numbers="merge">
2188                          <fo:index-key-reference page-number-treatment="link" ref-index-key="{concat('xrefitem=',@target,'#',@x:sec,@section)}"/>
2189                        </fo:index-page-citation-list>
2190                      </fo:block>
2191                    </xsl:if>
2192                  </xsl:for-each>
2193                </xsl:if>
2194
2195                <xsl:if test="current()/x:source/@href">
2196                  <xsl:variable name="rs3" select="$rs[not(@x:sec) and @x:rel]"/>
2197                  <xsl:if test="$rs3">
2198                    <xsl:variable name="doc" select="document(current()/x:source/@href)"/>
2199                    <xsl:for-each select="$rs3">
2200                      <xsl:sort select="count($doc//*[@anchor and following::*/@anchor=substring-after(current()/@x:rel,'#')])" order="ascending" data-type="number"/>
2201                      <xsl:if test="generate-id(.) = generate-id(key('index-xref-by-anchor',concat(@target,'..',@x:rel))[1])">
2202                        <fo:block start-indent="2em" hyphenate="true">
2203                          <xsl:variable name="sec">
2204                            <xsl:for-each select="$doc//*[@anchor=substring-after(current()/@x:rel,'#')]">
2205                              <xsl:call-template name="get-section-number"/>
2206                            </xsl:for-each>
2207                          </xsl:variable>
2208                          <fo:wrapper font-style="italic">
2209                            <xsl:call-template name="format-section-ref">
2210                              <xsl:with-param name="number" select="$sec"/>
2211                            </xsl:call-template>
2212                          </fo:wrapper>
2213                          <xsl:text>&#160;</xsl:text>
2214                          <fo:index-page-citation-list merge-sequential-page-numbers="merge">
2215                            <fo:index-key-reference page-number-treatment="link" ref-index-key="{concat('xrefitem=',@target,'#',$sec)}"/>
2216                          </fo:index-page-citation-list>
2217                        </fo:block>
2218                      </xsl:if>
2219                    </xsl:for-each>
2220                  </xsl:if>
2221                </xsl:if>
2222
2223              </fo:block>
2224
2225            </xsl:if>
2226          </xsl:when>
2227          <xsl:otherwise>
2228            <xsl:call-template name="insert-index-regular-iref"/>
2229          </xsl:otherwise>
2230        </xsl:choose>
2231   
2232                 
2233      </xsl:for-each>           
2234    </xsl:if>
2235  </xsl:for-each>
2236</xsl:template>
2237
2238
2239
2240<xsl:template match="/" mode="toc">
2241  <fo:block xsl:use-attribute-sets="h1 newpage" id="{concat($anchor-pref,'toc')}">
2242    <xsl:text>Table of Contents</xsl:text>
2243  </fo:block>
2244
2245  <xsl:apply-templates mode="toc" />
2246</xsl:template>
2247
2248<xsl:template name="back-toc">
2249
2250  <xsl:apply-templates select="references" mode="toc" />
2251
2252  <xsl:if test="$xml2rfc-ext-authors-section='before-appendices'">
2253    <xsl:apply-templates select="/rfc/front" mode="toc" />
2254  </xsl:if>
2255
2256  <xsl:apply-templates select="back/*[not(self::references)]" mode="toc" />
2257
2258  <!-- insert the index if index entries exist -->
2259  <xsl:if test="$has-index">
2260    <xsl:call-template name="insert-toc-line">
2261      <xsl:with-param name="target" select="concat($anchor-pref,'index')"/>
2262      <xsl:with-param name="title" select="'Index'"/>
2263    </xsl:call-template>
2264  </xsl:if>
2265
2266  <xsl:if test="$xml2rfc-ext-authors-section='end'">
2267    <xsl:apply-templates select="/rfc/front" mode="toc" />
2268  </xsl:if>
2269
2270  <!-- copyright statements -->
2271  <xsl:if test="$xml2rfc-private='' and not($no-copylong)">
2272    <xsl:call-template name="insert-toc-line">
2273      <xsl:with-param name="target" select="concat($anchor-pref,'ipr')"/>
2274      <xsl:with-param name="title" select="'Intellectual Property and Copyright Statements'"/>
2275    </xsl:call-template>
2276  </xsl:if>
2277 
2278</xsl:template>
2279
2280<xsl:template match="front" mode="toc">
2281 
2282  <xsl:variable name="authors-title">
2283    <xsl:call-template name="get-authors-section-title"/>
2284  </xsl:variable>
2285  <xsl:variable name="authors-number">
2286    <xsl:call-template name="get-authors-section-number"/>
2287  </xsl:variable>
2288  <xsl:if test="$authors-number!='suppress' and $xml2rfc-authorship!='no'">
2289    <xsl:call-template name="insert-toc-line">
2290      <xsl:with-param name="target" select="concat($anchor-pref,'authors')"/>
2291      <xsl:with-param name="title" select="$authors-title"/>
2292      <xsl:with-param name="number" select="$authors-number"/>
2293    </xsl:call-template>
2294  </xsl:if>
2295
2296</xsl:template>
2297
2298<xsl:template name="references-toc">
2299
2300  <!-- distinguish two cases: (a) single references element (process
2301  as toplevel section; (b) multiple references sections (add one toplevel
2302  container with subsection) -->
2303
2304  <xsl:choose>
2305    <xsl:when test="count(/*/back/references) = 0">
2306      <!-- nop -->
2307    </xsl:when>
2308    <xsl:when test="count(/*/back/references) = 1">
2309      <xsl:for-each select="/*/back/references">
2310        <xsl:variable name="title">
2311          <xsl:choose>
2312            <xsl:when test="@title!=''"><xsl:value-of select="@title" /></xsl:when>
2313            <xsl:otherwise><xsl:value-of select="$xml2rfc-refparent"/></xsl:otherwise>
2314          </xsl:choose>
2315        </xsl:variable>
2316     
2317        <xsl:call-template name="insert-toc-line">
2318          <xsl:with-param name="number">
2319            <xsl:call-template name="get-references-section-number"/>
2320          </xsl:with-param>
2321          <xsl:with-param name="target" select="concat($anchor-pref,'references')"/>
2322          <xsl:with-param name="title" select="$title"/>
2323          <xsl:with-param name="name" select="name"/>
2324        </xsl:call-template>
2325
2326        <xsl:if test="references">
2327          <xsl:for-each select="references">
2328            <xsl:call-template name="references-toc-entry"/>
2329          </xsl:for-each>
2330        </xsl:if>
2331      </xsl:for-each>
2332    </xsl:when>
2333    <xsl:otherwise>
2334      <!-- insert pseudo container -->   
2335      <xsl:call-template name="insert-toc-line">
2336        <xsl:with-param name="number">
2337          <xsl:call-template name="get-references-section-number"/>
2338        </xsl:with-param>
2339        <xsl:with-param name="target" select="concat($anchor-pref,'references')"/>
2340        <xsl:with-param name="title" select="$xml2rfc-refparent"/>
2341      </xsl:call-template>
2342 
2343      <!-- ...with subsections... -->   
2344      <xsl:for-each select="/*/back/references">
2345        <xsl:call-template name="references-toc-entry"/>
2346      </xsl:for-each>
2347    </xsl:otherwise>
2348  </xsl:choose>
2349</xsl:template>
2350
2351<xsl:template name="references-toc-entry">
2352  <xsl:variable name="title">
2353    <xsl:choose>
2354      <xsl:when test="@title!=''"><xsl:value-of select="@title" /></xsl:when>
2355      <xsl:otherwise><xsl:value-of select="$xml2rfc-refparent"/></xsl:otherwise>
2356    </xsl:choose>
2357  </xsl:variable>
2358
2359  <xsl:variable name="sectionNumber">
2360    <xsl:call-template name="get-section-number" />
2361  </xsl:variable>
2362
2363  <xsl:variable name="num">
2364    <xsl:number level="any"/>
2365  </xsl:variable>
2366
2367  <xsl:call-template name="insert-toc-line">
2368    <xsl:with-param name="number" select="$sectionNumber"/>
2369    <xsl:with-param name="target" select="concat($anchor-pref,'references','.',$num)"/>
2370    <xsl:with-param name="title" select="$title"/>
2371    <xsl:with-param name="name" select="name"/>
2372  </xsl:call-template>
2373
2374  <xsl:if test="references">
2375    <xsl:for-each select="references">
2376      <xsl:call-template name="references-toc-entry"/>
2377    </xsl:for-each>
2378  </xsl:if>
2379</xsl:template>
2380
2381<!-- suppress xml2rfc preptool artefacts -->
2382<xsl:template match="section[author]" mode="toc"/>
2383
2384<xsl:template match="section" mode="toc">
2385  <xsl:variable name="sectionNumber">
2386    <xsl:call-template name="get-section-number" />
2387  </xsl:variable>
2388
2389  <xsl:variable name="target">
2390    <xsl:choose>
2391      <xsl:when test="@anchor"><xsl:value-of select="@anchor" /></xsl:when>
2392       <xsl:otherwise><xsl:value-of select="$anchor-pref"/>section.<xsl:value-of select="$sectionNumber" /></xsl:otherwise>
2393    </xsl:choose>
2394  </xsl:variable>
2395
2396  <xsl:call-template name="insert-toc-line">
2397    <xsl:with-param name="number" select="$sectionNumber"/>
2398    <xsl:with-param name="target" select="$target"/>
2399    <xsl:with-param name="title" select="@title"/>
2400    <xsl:with-param name="name" select="name"/>
2401    <xsl:with-param name="tocparam" select="@toc"/>
2402  </xsl:call-template>
2403 
2404  <xsl:if test=".//section">
2405    <xsl:apply-templates mode="toc" />
2406  </xsl:if>
2407</xsl:template>
2408
2409<xsl:template name="insert-toc-line">
2410  <xsl:param name="number" />
2411  <xsl:param name="target" />
2412  <xsl:param name="title" />
2413  <xsl:param name="name" />
2414  <xsl:param name="tocparam" />
2415 
2416  <xsl:variable name="depth">
2417    <!-- count the dots -->
2418    <xsl:value-of select="string-length(translate($number,'.ABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890&#167;','.'))"/>
2419  </xsl:variable>
2420 
2421  <!-- handle tocdepth parameter -->
2422  <xsl:choose>
2423    <xsl:when test="(not($tocparam) or $tocparam='' or $tocparam='default') and $depth >= $parsedTocDepth">
2424      <!-- dropped entry because of depth-->
2425    </xsl:when>
2426    <xsl:when test="$tocparam='exclude'">
2427      <!-- dropped entry because excluded -->
2428    </xsl:when>
2429    <xsl:when test="$depth = 0">
2430      <fo:block space-before="1em" font-weight="bold" text-align-last="justify">
2431        <xsl:if test="$number!='' and not(contains($number,$unnumbered))">
2432          <xsl:if test="translate($number,$ucase,'')=''">Appendix </xsl:if>
2433          <xsl:value-of select="$number" />
2434          <xsl:if test="$xml2rfc-ext-sec-no-trailing-dots='yes'">.</xsl:if>
2435          <xsl:text>&#0160;&#0160;</xsl:text>
2436        </xsl:if>
2437        <fo:basic-link internal-destination="{$target}" xsl:use-attribute-sets="internal-link">
2438          <xsl:choose>
2439            <xsl:when test="$name">
2440              <xsl:call-template name="render-name-ref">
2441                <xsl:with-param name="n" select="$name/node()"/>
2442              </xsl:call-template>
2443            </xsl:when>
2444            <xsl:otherwise>
2445              <xsl:value-of select="$title"/>
2446            </xsl:otherwise>
2447          </xsl:choose>
2448        </fo:basic-link>
2449        <fo:leader leader-pattern="dots"/>
2450        <fo:page-number-citation ref-id="{$target}"/>
2451      </fo:block>
2452    </xsl:when>
2453    <xsl:when test="$depth = 1">
2454      <fo:block space-before="0.5em" text-align-last="justify">
2455        <xsl:if test="$number!='' and not(contains($number,$unnumbered))">
2456          <xsl:value-of select="$number" />
2457          <xsl:if test="$xml2rfc-ext-sec-no-trailing-dots='yes'">.</xsl:if>
2458          <xsl:text>&#0160;&#0160;&#0160;&#0160;</xsl:text>
2459        </xsl:if>
2460        <fo:basic-link internal-destination="{$target}" xsl:use-attribute-sets="internal-link">
2461          <xsl:choose>
2462            <xsl:when test="$name">
2463              <xsl:call-template name="render-name-ref">
2464                <xsl:with-param name="n" select="$name/node()"/>
2465              </xsl:call-template>
2466            </xsl:when>
2467            <xsl:otherwise>
2468              <xsl:value-of select="$title"/>
2469            </xsl:otherwise>
2470          </xsl:choose>
2471        </fo:basic-link>
2472        <fo:leader leader-pattern="dots"/>
2473        <fo:page-number-citation ref-id="{$target}"/>
2474      </fo:block>
2475    </xsl:when>
2476    <xsl:otherwise>
2477      <fo:block text-align-last="justify">
2478        <xsl:text>&#0160;&#0160;</xsl:text>
2479        <xsl:if test="$number!='' and not(contains($number,$unnumbered))">
2480          <xsl:value-of select="$number" />
2481          <xsl:if test="$xml2rfc-ext-sec-no-trailing-dots='yes'">.</xsl:if>
2482          <xsl:text>&#0160;&#0160;&#0160;&#0160;</xsl:text>
2483        </xsl:if>
2484        <fo:basic-link internal-destination="{$target}" xsl:use-attribute-sets="internal-link">
2485          <xsl:choose>
2486            <xsl:when test="$name">
2487              <xsl:call-template name="render-name-ref">
2488                <xsl:with-param name="n" select="$name/node()"/>
2489              </xsl:call-template>
2490            </xsl:when>
2491            <xsl:otherwise>
2492              <xsl:value-of select="$title"/>
2493            </xsl:otherwise>
2494          </xsl:choose>
2495        </fo:basic-link>
2496        <fo:leader leader-pattern="dots"/>
2497        <fo:page-number-citation ref-id="{$target}"/>
2498      </fo:block>
2499    </xsl:otherwise>
2500  </xsl:choose>
2501
2502</xsl:template>
2503
2504
2505<!--
2506<xsl:template name="rfclist">
2507  <xsl:param name="list" />
2508  <xsl:choose>
2509      <xsl:when test="contains($list,',')">
2510          <xsl:variable name="rfcNo" select="substring-before($list,',')" />
2511          <a href="{concat($rfcUrlPrefix,$rfcNo,'.txt')}"><xsl:value-of select="$rfcNo" /></a>,
2512          <xsl:call-template name="rfclist">
2513              <xsl:with-param name="list" select="normalize-space(substring-after($list,','))" />
2514            </xsl:call-template>
2515        </xsl:when>
2516        <xsl:otherwise>
2517          <xsl:variable name="rfcNo" select="$list" />
2518          <a href="{concat($rfcUrlPrefix,$rfcNo,'.txt')}"><xsl:value-of select="$rfcNo" /></a>
2519         </xsl:otherwise>
2520    </xsl:choose>
2521</xsl:template>
2522-->
2523
2524<xsl:template name="insertHeader">
2525  <xsl:variable name="left">
2526    <xsl:call-template name="get-header-left" />
2527  </xsl:variable>
2528  <xsl:variable name="center">
2529    <xsl:call-template name="get-header-center" />
2530  </xsl:variable>
2531  <xsl:variable name="right">
2532    <xsl:call-template name="get-header-right" />
2533  </xsl:variable>
2534
2535  <fo:static-content flow-name="header-right">
2536    <fo:block space-after=".5cm" />
2537    <fo:table width="100%" text-align="center" table-layout="fixed">
2538      <fo:table-column column-width="proportional-column-width({(string-length($left)+string-length($right)) div 2})" />
2539      <fo:table-column column-width="proportional-column-width({string-length($center)})" />
2540      <fo:table-column column-width="proportional-column-width({(string-length($left)+string-length($right)) div 2})" />
2541      <fo:table-body>
2542        <fo:table-row>
2543          <fo:table-cell>
2544            <fo:block text-align="start">
2545              <xsl:value-of select="$left" />
2546             </fo:block>
2547          </fo:table-cell>
2548          <fo:table-cell text-align="center">
2549            <fo:block>
2550              <xsl:value-of select="$center" />
2551             </fo:block>
2552          </fo:table-cell>
2553          <fo:table-cell text-align="end">
2554            <fo:block>
2555              <xsl:value-of select="$right" />
2556             </fo:block>
2557          </fo:table-cell>
2558        </fo:table-row>
2559      </fo:table-body>
2560    </fo:table>
2561  </fo:static-content>
2562
2563  <fo:static-content flow-name="header-left">
2564    <fo:block space-after=".5cm" />
2565    <fo:table width="100%" text-align="center" table-layout="fixed">
2566      <fo:table-column column-width="proportional-column-width({(string-length($left)+string-length($right)) div 2})" />
2567      <fo:table-column column-width="proportional-column-width({string-length($center)})" />
2568      <fo:table-column column-width="proportional-column-width({(string-length($left)+string-length($right)) div 2})" />
2569      <fo:table-body>
2570        <fo:table-row>
2571          <fo:table-cell text-align="start">
2572            <fo:block>
2573              <xsl:value-of select="$right" />
2574             </fo:block>
2575          </fo:table-cell>
2576          <fo:table-cell text-align="center">
2577            <fo:block>
2578              <xsl:value-of select="$center" />
2579             </fo:block>
2580          </fo:table-cell>
2581          <fo:table-cell>
2582            <fo:block text-align="end">
2583              <xsl:value-of select="$left" />
2584             </fo:block>
2585          </fo:table-cell>
2586        </fo:table-row>
2587      </fo:table-body>
2588    </fo:table>
2589  </fo:static-content>
2590
2591</xsl:template>
2592
2593<xsl:template name="insertFooter">
2594  <xsl:variable name="left">
2595    <xsl:call-template name="get-author-summary" />
2596  </xsl:variable>
2597  <xsl:variable name="center">
2598    <xsl:call-template name="get-bottom-center" />
2599  </xsl:variable>
2600  <xsl:variable name="right">[Page 999]</xsl:variable>
2601
2602  <fo:static-content flow-name="footer-right">
2603    <fo:table text-align="center" width="100%" table-layout="fixed">
2604      <fo:table-column column-width="proportional-column-width({(string-length($left)+string-length($right)) div 2})" />
2605      <fo:table-column column-width="proportional-column-width({string-length($center)})" />
2606      <fo:table-column column-width="proportional-column-width({(string-length($left)+string-length($right)) div 2})" />
2607      <fo:table-body>
2608        <fo:table-row>
2609          <fo:table-cell>
2610            <fo:block text-align="start">
2611              <xsl:value-of select="$left" />
2612             </fo:block>
2613          </fo:table-cell>
2614          <fo:table-cell>
2615            <fo:block text-align="center">
2616              <xsl:value-of select="$center" />
2617             </fo:block>
2618          </fo:table-cell>
2619          <fo:table-cell>
2620            <fo:block text-align="end">[Page <fo:page-number />]</fo:block>
2621          </fo:table-cell>
2622        </fo:table-row>
2623      </fo:table-body>
2624    </fo:table>
2625  </fo:static-content>
2626
2627  <fo:static-content flow-name="footer-left">
2628    <fo:table text-align="center" width="100%" table-layout="fixed">
2629      <fo:table-column column-width="proportional-column-width({(string-length($left)+string-length($right)) div 2})" />
2630      <fo:table-column column-width="proportional-column-width({string-length($center)})" />
2631      <fo:table-column column-width="proportional-column-width({(string-length($left)+string-length($right)) div 2})" />
2632      <fo:table-body>
2633        <fo:table-row>
2634          <fo:table-cell>
2635            <fo:block text-align="start">[Page <fo:page-number />]</fo:block>
2636          </fo:table-cell>
2637          <fo:table-cell>
2638            <fo:block text-align="center">
2639              <xsl:value-of select="$center" />
2640             </fo:block>
2641          </fo:table-cell>
2642          <fo:table-cell>
2643            <fo:block text-align="end">
2644              <xsl:value-of select="$left" />
2645             </fo:block>
2646          </fo:table-cell>
2647        </fo:table-row>
2648      </fo:table-body>
2649    </fo:table>
2650  </fo:static-content>
2651
2652</xsl:template>
2653
2654<!-- change tracking -->
2655
2656<xsl:template match="ed:annotation" />
2657<xsl:template match="ed:del" />
2658<xsl:template match="ed:issue" />
2659<xsl:template match="ed:ins">
2660  <xsl:apply-templates />
2661</xsl:template>
2662<xsl:template match="ed:issueref">
2663  <xsl:apply-templates />
2664</xsl:template>
2665
2666<xsl:template match="ed:replace">
2667  <!--<xsl:variable name="no">change<xsl:number level="any"/></xsl:variable>
2668  <fo:change-bar-begin change-bar-class="{$no}" change-bar-style="solid" change-bar-color="red" change-bar-offset="2mm"/>-->
2669  <xsl:apply-templates />
2670  <!--<fo:change-bar-end change-bar-class="{$no}"/>-->
2671</xsl:template>
2672
2673<!-- extensions -->
2674
2675<xsl:template match="ed:link" />
2676
2677<xsl:template match="x:feedback" />
2678
2679<xsl:template match="node()" mode="bookmarks">
2680  <xsl:apply-templates mode="bookmarks"/>
2681</xsl:template>
2682
2683<xsl:template match="abstract" mode="bookmarks">
2684  <fo:bookmark internal-destination="{concat($anchor-pref,'abstract')}">
2685    <fo:bookmark-title>Abstract</fo:bookmark-title>
2686    <xsl:apply-templates mode="bookmarks"/>
2687  </fo:bookmark>
2688</xsl:template>
2689
2690<xsl:template match="note" mode="bookmarks">
2691  <xsl:variable name="num">
2692    <xsl:number count="note" />
2693  </xsl:variable>
2694  <fo:bookmark internal-destination="{concat($anchor-pref,'note.',$num)}">
2695    <fo:bookmark-title><xsl:value-of select="@title|name"/></fo:bookmark-title>
2696    <xsl:apply-templates mode="bookmarks"/>
2697  </fo:bookmark>
2698</xsl:template>
2699
2700<!-- suppress xml2rfc preptool artefacts -->
2701<xsl:template match="section[author]" mode="bookmarks" priority="9"/>
2702
2703<xsl:template match="section[not(ancestor::boilerplate)]" mode="bookmarks">
2704  <xsl:variable name="sectionNumber"><xsl:call-template name="get-section-number" /></xsl:variable>
2705  <fo:bookmark internal-destination="{$anchor-pref}section.{$sectionNumber}">
2706    <fo:bookmark-title>
2707      <xsl:if test="$sectionNumber!='' and not(contains($sectionNumber,$unnumbered))">
2708        <xsl:if test="translate($sectionNumber,$ucase,'')=''">Appendix </xsl:if>
2709        <xsl:value-of select="$sectionNumber"/>
2710        <xsl:if test="$xml2rfc-ext-sec-no-trailing-dots='yes'">.</xsl:if>
2711        <xsl:text> </xsl:text>
2712      </xsl:if>
2713      <xsl:choose>
2714        <xsl:when test="name">
2715          <xsl:variable name="hold">
2716            <xsl:apply-templates select="name/node()"/>
2717          </xsl:variable>
2718          <xsl:value-of select="normalize-space($hold)"/>
2719        </xsl:when>
2720        <xsl:otherwise>
2721          <xsl:value-of select="@title"/>
2722        </xsl:otherwise>
2723      </xsl:choose>
2724    </fo:bookmark-title>
2725    <xsl:apply-templates mode="bookmarks"/>
2726  </fo:bookmark>
2727</xsl:template>
2728
2729<xsl:template match="section[ancestor::boilerplate]" mode="bookmarks">
2730  <fo:bookmark internal-destination="{@anchor}">
2731    <fo:bookmark-title><xsl:value-of select="@title|name"/></fo:bookmark-title>
2732    <xsl:apply-templates mode="bookmarks"/>
2733  </fo:bookmark>
2734</xsl:template>
2735
2736<xsl:template match="back" mode="bookmarks">
2737
2738  <xsl:call-template name="references-bookmarks" />
2739
2740  <xsl:if test="$xml2rfc-ext-authors-section='before-appendices'">
2741    <xsl:apply-templates select="/rfc/front" mode="bookmarks" />
2742  </xsl:if>
2743 
2744  <xsl:apply-templates select="*[not(self::references)]" mode="bookmarks" />
2745
2746  <!-- insert the index if index entries exist -->
2747  <xsl:if test="$has-index">
2748    <fo:bookmark internal-destination="{concat($anchor-pref,'index')}">
2749      <fo:bookmark-title>Index</fo:bookmark-title>
2750    </fo:bookmark>
2751  </xsl:if>
2752
2753  <xsl:if test="$xml2rfc-ext-authors-section='end'">
2754    <xsl:apply-templates select="/rfc/front" mode="bookmarks" />
2755  </xsl:if>
2756
2757  <xsl:if test="$xml2rfc-private='' and not($no-copylong)">
2758    <!-- copyright statements -->
2759    <fo:bookmark internal-destination="{concat($anchor-pref,'ipr')}">
2760      <fo:bookmark-title>Intellectual Property and Copyright Statements</fo:bookmark-title>
2761    </fo:bookmark>
2762  </xsl:if>
2763 
2764</xsl:template>
2765
2766<xsl:template match="front" mode="bookmarks">
2767
2768  <xsl:variable name="authors-number">
2769    <xsl:call-template name="get-authors-section-number"/>
2770  </xsl:variable>
2771
2772  <xsl:variable name="title">
2773    <xsl:if test="$authors-number!=''">
2774      <xsl:value-of select="$authors-number"/>
2775      <xsl:text> </xsl:text>
2776    </xsl:if>
2777    <xsl:call-template name="get-authors-section-title"/>
2778  </xsl:variable>
2779
2780  <xsl:if test="$authors-number!='suppress' and $xml2rfc-authorship!='no'">
2781    <fo:bookmark internal-destination="{concat($anchor-pref,'authors')}">
2782      <fo:bookmark-title><xsl:value-of select="$title"/></fo:bookmark-title>
2783    </fo:bookmark>
2784  </xsl:if>
2785</xsl:template>
2786
2787<xsl:template match="middle" mode="bookmarks">
2788  <xsl:apply-templates mode="bookmarks" />
2789</xsl:template>
2790
2791<xsl:template name="references-bookmarks">
2792
2793  <!-- distinguish two cases: (a) single references element (process
2794  as toplevel section; (b) multiple references sections (add one toplevel
2795  container with subsection) -->
2796
2797  <xsl:choose>
2798    <xsl:when test="count(/*/back/references) = 0">
2799      <!-- nothing to do -->
2800    </xsl:when>
2801    <xsl:when test="count(/*/back/references) = 1">
2802      <xsl:for-each select="/*/back/references">
2803        <xsl:call-template name="references-entry-bookmarks"/>
2804      </xsl:for-each>
2805    </xsl:when>
2806    <xsl:otherwise>
2807      <!-- insert pseudo container -->   
2808      <fo:bookmark internal-destination="{$anchor-pref}references">
2809        <fo:bookmark-title>
2810          <xsl:call-template name="get-references-section-number"/>
2811          <xsl:if test="$xml2rfc-ext-sec-no-trailing-dots='yes'">.</xsl:if>
2812          <xsl:text> </xsl:text>
2813          <xsl:value-of select="$xml2rfc-refparent"/>
2814        </fo:bookmark-title>
2815
2816        <!-- ...with subsections... -->   
2817        <xsl:for-each select="/*/back/references">
2818          <xsl:call-template name="references-entry-bookmarks"/>
2819        </xsl:for-each>
2820      </fo:bookmark>
2821
2822    </xsl:otherwise>
2823  </xsl:choose>
2824</xsl:template>
2825
2826<xsl:template name="references-entry-bookmarks">
2827  <xsl:variable name="title">
2828    <xsl:choose>
2829      <xsl:when test="name"><xsl:apply-templates select="name/node()"/></xsl:when>
2830      <xsl:when test="@title!=''"><xsl:value-of select="@title" /></xsl:when>
2831      <xsl:otherwise><xsl:value-of select="$xml2rfc-refparent"/></xsl:otherwise>
2832    </xsl:choose>
2833  </xsl:variable>
2834
2835  <xsl:variable name="sectionNumber">
2836    <xsl:call-template name="get-section-number" />
2837    <xsl:if test="$xml2rfc-ext-sec-no-trailing-dots='yes'">.</xsl:if>
2838  </xsl:variable>
2839
2840  <xsl:variable name="num">
2841    <xsl:number level="any"/>
2842  </xsl:variable>
2843
2844  <xsl:variable name="tnum">
2845    <xsl:choose>
2846      <xsl:when test="$num=1"/>
2847      <xsl:otherwise>.<xsl:value-of select="$num"/></xsl:otherwise>
2848    </xsl:choose>
2849  </xsl:variable>
2850
2851  <fo:bookmark internal-destination="{$anchor-pref}references{$tnum}">
2852    <fo:bookmark-title><xsl:value-of select="concat($sectionNumber,' ',normalize-space($title))"/></fo:bookmark-title>
2853
2854    <xsl:for-each select="references">
2855      <xsl:call-template name="references-entry-bookmarks"/>
2856    </xsl:for-each>
2857  </fo:bookmark>
2858</xsl:template>
2859
2860<xsl:template match="rfc" mode="bookmarks">
2861  <xsl:if test="$xml2rfc-private='' and not($abstract-first)">
2862    <xsl:call-template name="emit-ietf-preamble-bookmarks"/>   
2863  </xsl:if>
2864 
2865  <xsl:apply-templates select="front/abstract" mode="bookmarks"/>
2866  <xsl:apply-templates select="front/note[@title!='IESG Note' or $xml2rfc-private!='']" mode="bookmarks"/>
2867
2868  <xsl:if test="$xml2rfc-private='' and $abstract-first">
2869    <xsl:call-template name="emit-ietf-preamble-bookmarks"/>   
2870  </xsl:if>
2871
2872  <xsl:if test="$xml2rfc-toc='yes'">
2873    <fo:bookmark internal-destination="{concat($anchor-pref,'toc')}">
2874      <fo:bookmark-title>Table of Contents</fo:bookmark-title>
2875    </fo:bookmark>
2876  </xsl:if>
2877 
2878  <xsl:apply-templates select="middle|back" mode="bookmarks"/>
2879</xsl:template>
2880
2881<xsl:template name="emit-ietf-preamble-bookmarks">
2882  <!-- Get status info formatted as per RFC2629-->
2883  <xsl:variable name="preamble">
2884    <xsl:for-each select="/rfc">
2885      <xsl:call-template name="insertPreamble" />
2886    </xsl:for-each>
2887  </xsl:variable>
2888 
2889  <!-- emit it -->
2890  <xsl:choose>
2891    <xsl:when test="function-available('exslt:node-set')">
2892      <xsl:apply-templates select="exslt:node-set($preamble)/node()" mode="bookmarks"/>
2893    </xsl:when>
2894    <xsl:otherwise>
2895      <xsl:variable name="temp" select="$preamble"/>
2896      <xsl:apply-templates select="$temp/node()" mode="bookmarks"/>
2897    </xsl:otherwise>
2898  </xsl:choose>
2899</xsl:template>
2900
2901<!-- experimental table formatting -->
2902
2903<xsl:template name="sum-widths">
2904  <xsl:param name="list"/>
2905  <xsl:choose>
2906    <xsl:when test="count($list)=0">
2907      <xsl:value-of select="0"/>
2908    </xsl:when>
2909    <xsl:when test="count($list)=1">
2910      <xsl:value-of select="number(substring-before($list[1],'%'))"/>
2911    </xsl:when>
2912    <xsl:otherwise>
2913      <xsl:variable name="remainder">
2914        <xsl:call-template name="sum-widths">
2915          <xsl:with-param name="list" select="$list[position()>1]" />
2916        </xsl:call-template>
2917      </xsl:variable>
2918      <xsl:value-of select="$remainder + number(substring-before($list[1],'%'))" />
2919    </xsl:otherwise>
2920  </xsl:choose>
2921</xsl:template>
2922
2923<!--
2924<xsl:attribute-set name="all-borders-solid">
2925  <xsl:attribute name="border-left-style">solid</xsl:attribute>
2926  <xsl:attribute name="border-right-style">solid</xsl:attribute>
2927  <xsl:attribute name="border-top-style">solid</xsl:attribute>
2928  <xsl:attribute name="border-bottom-style">solid</xsl:attribute>
2929  <xsl:attribute name="border-left-width">thin</xsl:attribute>
2930  <xsl:attribute name="border-right-width">thin</xsl:attribute>
2931  <xsl:attribute name="border-top-width">thin</xsl:attribute>
2932  <xsl:attribute name="border-bottom-width">thin</xsl:attribute>
2933  <xsl:attribute name="padding-left">0.5em</xsl:attribute>
2934  <xsl:attribute name="padding-right">0.5em</xsl:attribute>
2935</xsl:attribute-set>
2936
2937-->
2938
2939<!--TODO -->
2940<xsl:template match="table">
2941  <fo:block space-before=".5em" space-after=".5em" start-indent="2em">
2942    <xsl:apply-templates select="iref"/>
2943    <xsl:call-template name="copy-anchor"/>
2944    <fo:table>
2945      <!-- FOP doesn't have table-and-caption-->
2946      <xsl:apply-templates select="thead"/>
2947      <xsl:apply-templates select="tfoot"/>
2948      <xsl:apply-templates select="tbody"/>
2949    </fo:table>
2950    <xsl:variable name="n"><xsl:call-template name="get-table-number"/></xsl:variable>
2951    <fo:block text-align="center" space-before="1em" space-after="1em">
2952      <xsl:text>Table </xsl:text>
2953      <xsl:value-of select="$n"/>
2954      <xsl:if test="name">
2955        <xsl:text>: </xsl:text>
2956        <xsl:apply-templates select="name/node()"/>
2957      </xsl:if>
2958    </fo:block>
2959  </fo:block>
2960</xsl:template>
2961<xsl:template match="table/name"/>
2962
2963<xsl:template match="tbody">
2964  <fo:table-body>
2965    <xsl:call-template name="copy-anchor"/>
2966    <xsl:apply-templates/>
2967  </fo:table-body>
2968</xsl:template>
2969
2970<xsl:template match="td">
2971  <fo:table-cell>
2972    <xsl:call-template name="copy-anchor"/>
2973    <xsl:choose>
2974      <xsl:when test="@align">
2975        <xsl:attribute name="text-align"><xsl:value-of select="@align" /></xsl:attribute>
2976      </xsl:when>
2977      <xsl:otherwise>
2978        <xsl:attribute name="text-align">left</xsl:attribute>
2979      </xsl:otherwise>
2980    </xsl:choose>
2981    <xsl:if test="@colspan">
2982      <xsl:attribute name="number-columns-spanned"><xsl:value-of select="@colspan" /></xsl:attribute>
2983    </xsl:if>
2984    <xsl:if test="@rowspan">
2985      <xsl:attribute name="number-rows-spanned"><xsl:value-of select="@rowspan" /></xsl:attribute>
2986    </xsl:if>
2987    <fo:block>
2988      <xsl:apply-templates/>
2989    </fo:block>
2990  </fo:table-cell>
2991</xsl:template>
2992
2993<xsl:template match="th">
2994  <fo:table-cell>
2995    <xsl:call-template name="copy-anchor"/>
2996    <xsl:choose>
2997      <xsl:when test="@align">
2998        <xsl:attribute name="text-align"><xsl:value-of select="@align" /></xsl:attribute>
2999      </xsl:when>
3000      <xsl:otherwise>
3001        <xsl:attribute name="text-align">left</xsl:attribute>
3002      </xsl:otherwise>
3003    </xsl:choose>
3004    <xsl:if test="@colspan">
3005      <xsl:attribute name="number-columns-spanned"><xsl:value-of select="@colspan" /></xsl:attribute>
3006    </xsl:if>
3007    <xsl:if test="@rowspan">
3008      <xsl:attribute name="number-rows-spanned"><xsl:value-of select="@rowspan" /></xsl:attribute>
3009    </xsl:if>
3010    <fo:block font-weight="bold">
3011      <xsl:apply-templates/>
3012    </fo:block>
3013  </fo:table-cell>
3014</xsl:template>
3015
3016<xsl:template match="tfoot">
3017  <fo:table-footer>
3018    <xsl:call-template name="copy-anchor"/>
3019    <xsl:apply-templates/>
3020  </fo:table-footer>
3021</xsl:template>
3022
3023<xsl:template match="thead">
3024  <fo:table-header>
3025    <xsl:call-template name="copy-anchor"/>
3026    <xsl:apply-templates/>
3027  </fo:table-header>
3028</xsl:template>
3029
3030<xsl:template match="tr">
3031  <fo:table-row>
3032    <xsl:call-template name="copy-anchor"/>
3033    <xsl:apply-templates/>
3034  </fo:table-row>
3035</xsl:template>
3036
3037
3038<xsl:template match="texttable">
3039
3040  <xsl:variable name="style">
3041    <xsl:choose>
3042      <xsl:when test="@style!=''">
3043        <xsl:value-of select="@style"/>
3044      </xsl:when>
3045      <xsl:otherwise>full</xsl:otherwise>
3046    </xsl:choose>
3047  </xsl:variable>
3048
3049  <xsl:variable name="anch">
3050    <xsl:call-template name="get-table-anchor"/>
3051  </xsl:variable>
3052
3053  <fo:block space-before=".5em" space-after=".5em" start-indent="2em" id="{$anch}">
3054    <xsl:call-template name="add-anchor"/>
3055    <xsl:if test="@x:caption-side='top'">
3056      <xsl:call-template name="insert-table-caption"/>
3057    </xsl:if>
3058    <xsl:apply-templates select="preamble" />
3059    <fo:table>
3060      <xsl:variable name="total-specified">
3061        <xsl:call-template name="sum-widths">
3062          <xsl:with-param name="list" select="ttcol/@width" />
3063        </xsl:call-template>
3064      </xsl:variable>
3065      <xsl:for-each select="ttcol">
3066        <fo:table-column>
3067          <xsl:choose>
3068            <xsl:when test="@width">
3069              <xsl:attribute name="column-width">proportional-column-width(<xsl:value-of select="substring-before(@width,'%')" />)</xsl:attribute>
3070            </xsl:when>
3071            <xsl:otherwise>
3072              <xsl:attribute name="column-width">proportional-column-width(<xsl:value-of select="(100 - number($total-specified)) div count(../ttcol[not(@width)])" />)</xsl:attribute>
3073            </xsl:otherwise>
3074          </xsl:choose>
3075        </fo:table-column>
3076      </xsl:for-each>
3077      <xsl:if test="ttcol!=''">
3078        <!-- skip header when all column titles are empty -->
3079        <fo:table-header start-indent="0em" space-after=".5em">
3080          <fo:table-row>
3081            <xsl:apply-templates select="ttcol" />
3082          </fo:table-row>
3083        </fo:table-header>
3084      </xsl:if>
3085      <fo:table-body start-indent="0em">
3086        <xsl:if test="$style='all' or $style='full'">
3087          <xsl:attribute name="border-left-style">solid</xsl:attribute>
3088          <xsl:attribute name="border-right-style">solid</xsl:attribute>
3089          <xsl:attribute name="border-top-style">solid</xsl:attribute>
3090          <xsl:attribute name="border-bottom-style">solid</xsl:attribute>
3091          <xsl:attribute name="border-left-width">thin</xsl:attribute>
3092          <xsl:attribute name="border-right-width">thin</xsl:attribute>
3093          <xsl:attribute name="border-top-width">thin</xsl:attribute>
3094          <xsl:attribute name="border-bottom-width">thin</xsl:attribute>
3095        </xsl:if>
3096        <xsl:variable name="columns" select="count(ttcol)" />
3097        <xsl:choose>
3098          <xsl:when test="not(c)">
3099            <!-- special case: empty body -->
3100            <fo:table-cell><fo:block/></fo:table-cell>
3101          </xsl:when>
3102          <xsl:otherwise>
3103            <xsl:for-each select="c[$columns=1 or (position() mod $columns) = 1]">
3104              <fo:table-row>
3105                <xsl:for-each select=". | following-sibling::c[position() &lt; $columns]">
3106                  <fo:table-cell padding-left="0.5em" padding-right="0.5em">
3107                    <xsl:if test="$style='all' or $style='full'">
3108                      <xsl:attribute name="border-left-style">solid</xsl:attribute>
3109                      <xsl:attribute name="border-right-style">solid</xsl:attribute>
3110                      <xsl:attribute name="border-left-width">thin</xsl:attribute>
3111                      <xsl:attribute name="border-right-width">thin</xsl:attribute>
3112                    </xsl:if>
3113                    <xsl:if test="$style='all'">
3114                      <xsl:attribute name="border-top-style">solid</xsl:attribute>
3115                      <xsl:attribute name="border-bottom-style">solid</xsl:attribute>
3116                      <xsl:attribute name="border-top-width">thin</xsl:attribute>
3117                      <xsl:attribute name="border-bottom-width">thin</xsl:attribute>
3118                    </xsl:if>
3119                    <fo:block>
3120                      <xsl:variable name="pos" select="position()" />
3121                      <xsl:variable name="col" select="../ttcol[position() = $pos]" />
3122                      <xsl:if test="$col/@align">
3123                        <xsl:attribute name="text-align"><xsl:value-of select="$col/@align" /></xsl:attribute>
3124                      </xsl:if>
3125                      <xsl:apply-templates select="node()" />
3126                    </fo:block>
3127                  </fo:table-cell>
3128                </xsl:for-each>
3129              </fo:table-row>
3130            </xsl:for-each>
3131          </xsl:otherwise>
3132        </xsl:choose>
3133      </fo:table-body>
3134    </fo:table>
3135    <xsl:apply-templates select="postamble" />
3136    <xsl:if test="not(@x:caption-side) or @x:caption-side!='top'">
3137      <xsl:call-template name="insert-table-caption"/>
3138    </xsl:if>
3139  </fo:block>
3140</xsl:template>
3141
3142<xsl:template name="insert-table-caption">
3143  <xsl:if test="(@title!='') or (@anchor!='' and not(@suppress-title='true'))">
3144    <xsl:variable name="n"><xsl:call-template name="get-table-number"/></xsl:variable>
3145    <fo:block text-align="center" space-before="1em" space-after="1em">
3146      <xsl:if test="not(starts-with($n,'u'))">
3147        <xsl:text>Table </xsl:text>
3148        <xsl:value-of select="$n"/>
3149        <xsl:if test="@title!=''">: </xsl:if>
3150      </xsl:if>
3151      <xsl:if test="@title!=''">
3152        <xsl:value-of select="@title" />
3153      </xsl:if>
3154    </fo:block>
3155  </xsl:if>
3156</xsl:template>
3157
3158<xsl:template match="ttcol">
3159  <xsl:variable name="style">
3160    <xsl:choose>
3161      <xsl:when test="../@style!=''">
3162        <xsl:value-of select="../@style"/>
3163      </xsl:when>
3164      <xsl:otherwise>full</xsl:otherwise>
3165    </xsl:choose>
3166  </xsl:variable>
3167
3168  <fo:table-cell padding-left="0.5em" padding-right="0.5em">
3169    <xsl:if test="$style='all' or $style='full' or $style='headers'">
3170      <xsl:attribute name="border-bottom-style">solid</xsl:attribute>
3171      <xsl:attribute name="border-bottom-width">thin</xsl:attribute>
3172    </xsl:if>
3173    <xsl:if test="$style='all' or $style='full'">
3174      <xsl:attribute name="border-left-style">solid</xsl:attribute>
3175      <xsl:attribute name="border-right-style">solid</xsl:attribute>
3176      <xsl:attribute name="border-top-style">solid</xsl:attribute>
3177      <xsl:attribute name="border-left-width">thin</xsl:attribute>
3178      <xsl:attribute name="border-right-width">thin</xsl:attribute>
3179      <xsl:attribute name="border-top-width">thin</xsl:attribute>
3180    </xsl:if>
3181<!--    <xsl:if test="@width">
3182      <xsl:attribute name="width"><xsl:value-of select="@width" /></xsl:attribute>
3183    </xsl:if> -->
3184    <xsl:choose>
3185      <xsl:when test="@align">
3186        <xsl:attribute name="text-align"><xsl:value-of select="@align" /></xsl:attribute>
3187      </xsl:when>
3188      <xsl:otherwise>
3189        <xsl:attribute name="text-align">left</xsl:attribute>
3190      </xsl:otherwise>
3191    </xsl:choose>
3192    <fo:block font-weight="bold">
3193      <xsl:apply-templates />
3194    </fo:block>
3195  </fo:table-cell>
3196</xsl:template>
3197
3198<xsl:template name="add-anchor">
3199  <xsl:if test="@anchor">
3200    <fo:block id="{@anchor}" />
3201  </xsl:if>
3202</xsl:template>
3203
3204<!-- cref support -->
3205
3206<xsl:template match="cref[@display='false']">
3207  <!-- hidden -->
3208</xsl:template>
3209
3210<xsl:template match="cref[not(@display) or @display!='false']">
3211  <xsl:if test="$xml2rfc-comments!='no'">
3212    <xsl:variable name="cid">
3213      <xsl:call-template name="get-comment-name"/>
3214    </xsl:variable>
3215   
3216    <xsl:choose>
3217      <xsl:when test="$xml2rfc-inline!='yes'">
3218        <fo:footnote>
3219          <fo:inline>
3220            <fo:basic-link font-size="8pt" vertical-align="super" internal-destination="{$cid}">[<xsl:value-of select="$cid"/>]</fo:basic-link>
3221          </fo:inline>
3222          <fo:footnote-body>
3223            <fo:block font-size="10pt" start-indent="2em" text-align="left" id="{$cid}">
3224              <fo:inline font-size="8pt" vertical-align="super">[<xsl:value-of select="$cid"/>]</fo:inline>
3225              <xsl:text> </xsl:text>
3226              <xsl:apply-templates select="node()"/>
3227              <xsl:if test="@source"> --<xsl:value-of select="@source"/></xsl:if>
3228            </fo:block>
3229          </fo:footnote-body>
3230        </fo:footnote>
3231      </xsl:when>
3232      <xsl:otherwise>
3233        <fo:inline xsl:use-attribute-sets="comment" id="{$cid}">
3234          <xsl:text>[</xsl:text>
3235          <xsl:if test="@anchor or (not(/rfc/@version) or /rfc/@version &lt; 3)">
3236            <xsl:value-of select="$cid"/>
3237            <xsl:text>: </xsl:text>
3238          </xsl:if>
3239          <xsl:apply-templates select="node()"/>
3240          <xsl:if test="@source"> --<xsl:value-of select="@source"/></xsl:if>
3241          <xsl:text>]</xsl:text>
3242        </fo:inline>
3243      </xsl:otherwise>
3244    </xsl:choose>   
3245  </xsl:if>
3246</xsl:template>
3247
3248
3249
3250<xsl:template name="insert-justification">
3251  <xsl:if test="$xml2rfc-ext-justification='always' or $xml2rfc-ext-justification='print'">
3252    <xsl:attribute name="text-align">justify</xsl:attribute>
3253  </xsl:if>
3254</xsl:template>
3255
3256<!-- Extensions -->
3257
3258<!-- Nothing to do for PDF output -->
3259<xsl:template match="x:assign-section-number" />
3260<xsl:template match="x:link|link" />
3261
3262<!-- Nothing to do here -->
3263<xsl:template match="x:anchor-alias" />
3264
3265<!-- internal ref support -->
3266<xsl:key name="anchor-item-alias" match="//*[@anchor and (x:anchor-alias/@value or ed:replace/ed:ins/x:anchor-alias)]" use="x:anchor-alias/@value | ed:replace/ed:ins/x:anchor-alias/@value"/>
3267
3268<xsl:template match="x:ref">
3269  <xsl:variable name="val" select="normalize-space(.)"/>
3270  <xsl:variable name="target" select="key('anchor-item',$val) | key('anchor-item-alias',$val) | //reference/x:source[x:defines=$val]"/>
3271  <xsl:variable name="irefs" select="//iref[@x:for-anchor=$val]"/>
3272  <xsl:if test="count($target)>1">
3273    <xsl:call-template name="warning">
3274      <xsl:with-param name="msg">internal link target for '<xsl:value-of select="."/>' is ambiguous; picking first.</xsl:with-param>
3275    </xsl:call-template>
3276  </xsl:if>
3277  <xsl:choose>
3278    <xsl:when test="$target[1]/@anchor">
3279      <fo:basic-link internal-destination="{$target[1]/@anchor}" xsl:use-attribute-sets="internal-link">
3280        <xsl:call-template name="copy-anchor"/>
3281        <xsl:apply-templates/>
3282      </fo:basic-link>
3283    </xsl:when>
3284    <xsl:otherwise>
3285      <fo:inline>
3286        <xsl:call-template name="copy-anchor"/>
3287        <xsl:apply-templates/>
3288      </fo:inline>
3289    </xsl:otherwise>
3290  </xsl:choose>
3291</xsl:template>
3292
3293<!-- Unicode -->
3294<xsl:template match="x:u-map"/>
3295<xsl:template match="u">
3296  <xsl:call-template name="emit-u"/>
3297</xsl:template>
3298
3299<!-- BCP14 keywords -->
3300<xsl:template match="x:bcp14|bcp14">
3301  <!-- TODO: figure out something that prints well -->
3302  <xsl:apply-templates/>
3303</xsl:template>
3304
3305<!-- Notes -->
3306<xsl:template match="x:note|aside">
3307  <xsl:apply-templates/>
3308</xsl:template>
3309
3310<!-- Quotes -->
3311<xsl:template match="x:blockquote|blockquote">
3312  <fo:block font-style="italic" space-before=".5em" space-after=".5em" start-indent="3em"
3313      border-left-style="solid" border-left-color="gray" border-left-width=".25em" padding-left=".5em">
3314    <xsl:apply-templates/>
3315    <xsl:if test="@quotedFrom">
3316      <fo:block>
3317        <xsl:text>&#8212; </xsl:text>
3318        <xsl:choose>
3319          <xsl:when test="@cite"><fo:basic-link external-destination="url(@cite)" xsl:use-attribute-sets="external-link"><xsl:value-of select="@quotedFrom"/></fo:basic-link></xsl:when>
3320          <xsl:otherwise><xsl:value-of select="@quotedFrom"/></xsl:otherwise>
3321        </xsl:choose>
3322      </fo:block>
3323    </xsl:if>
3324  </fo:block>
3325</xsl:template>
3326
3327<xsl:template match="x:q">
3328  <fo:wrapper font-style="italic">
3329    <xsl:text>&#8220;</xsl:text>
3330    <xsl:apply-templates/>
3331    <xsl:text>&#8221;</xsl:text>
3332  </fo:wrapper>
3333</xsl:template>
3334
3335<!-- Definitions -->
3336<xsl:template match="x:dfn">
3337  <fo:wrapper font-style="italic">
3338    <xsl:if test="not(preceding-sibling::x:dfn) and count(following-sibling::list)=1">
3339      <xsl:attribute name="keep-with-next">always</xsl:attribute>
3340    </xsl:if>
3341    <xsl:apply-templates/>
3342  </fo:wrapper>
3343</xsl:template>
3344
3345<!-- Headings -->
3346<xsl:template match="x:h">
3347  <fo:wrapper font-weight="bold">
3348    <xsl:apply-templates/>
3349  </fo:wrapper>
3350</xsl:template>
3351
3352<!-- Highlightinghing -->
3353<xsl:template match="x:highlight">
3354  <fo:wrapper font-weight="bold">
3355    <xsl:apply-templates/>
3356  </fo:wrapper>
3357</xsl:template>
3358
3359<!-- Superscripts -->
3360<xsl:template match="x:sup|sup">
3361  <fo:inline font-size="6pt" vertical-align="super">
3362    <xsl:apply-templates/>
3363  </fo:inline>
3364</xsl:template>
3365
3366<!-- Superscripts -->
3367<xsl:template match="sub">
3368  <fo:inline font-size="6pt" vertical-align="sub">
3369    <xsl:apply-templates/>
3370  </fo:inline>
3371</xsl:template>
3372
3373<!-- measuring lengths -->
3374<xsl:template match="x:length-of">
3375  <xsl:variable name="target" select="//*[@anchor=current()/@target]"/>
3376  <xsl:if test="count($target)!=1">
3377    <xsl:call-template name="error">
3378      <xsl:with-param name="msg" select="concat('@target ',@target,' defined ',count($target),' times.')"/>
3379    </xsl:call-template>
3380  </xsl:if>
3381  <xsl:variable name="content">
3382    <xsl:apply-templates select="$target"/>
3383  </xsl:variable>
3384  <xsl:variable name="lineends" select="string-length($content) - string-length(translate($content,'&#10;',''))"/>
3385  <xsl:variable name="indents">
3386    <xsl:choose>
3387      <xsl:when test="@indented">
3388        <xsl:value-of select="number(@indented) * $lineends"/>
3389      </xsl:when>
3390      <xsl:otherwise>0</xsl:otherwise>
3391    </xsl:choose>
3392  </xsl:variable>
3393  <xsl:value-of select="string-length($content) + $lineends - $indents"/>
3394</xsl:template>
3395
3396<!-- Nop -->
3397<xsl:template match="x:span">
3398  <xsl:apply-templates/>
3399</xsl:template>
3400
3401<!-- XML checking -->
3402<xsl:template match="x:parse-xml">
3403  <xsl:apply-templates/>
3404</xsl:template>
3405
3406<xsl:template match="x:abnf-char-sequence">
3407  <xsl:choose>
3408    <xsl:when test="substring(.,1,1) != '&quot;' or substring(.,string-length(.),1) != '&quot;'">
3409      <xsl:call-template name="error">
3410        <xsl:with-param name="msg" select="'contents of x:abnf-char-sequence needs to be quoted.'" />
3411      </xsl:call-template>
3412    </xsl:when>
3413    <xsl:otherwise>
3414      <xsl:text>%x</xsl:text>
3415      <xsl:call-template name="to-abnf-char-sequence">
3416        <xsl:with-param name="chars" select="substring(.,2,string-length(.)-2)"/>
3417      </xsl:call-template>
3418    </xsl:otherwise>
3419  </xsl:choose>
3420</xsl:template>
3421
3422<!-- inlined RDF support -->
3423<xsl:template match="rdf:Description">
3424  <!-- ignore -->
3425</xsl:template>
3426
3427<!-- box drawing -->
3428
3429<!-- nop for alignment -->
3430<xsl:template match="x:x"/>
3431
3432<!-- box -->
3433<xsl:template match="x:bt|x:bc|x:bb">
3434  <xsl:apply-templates />
3435</xsl:template>
3436
3437<!-- author handling extensions -->
3438<xsl:template match="x:include-author">
3439  <xsl:for-each select="/*/front/author[@anchor=current()/@target]">
3440    <xsl:apply-templates select="."/>
3441  </xsl:for-each>
3442</xsl:template>
3443
3444<!-- boilerplate -->
3445<xsl:template match="boilerplate">
3446  <xsl:apply-templates/>
3447</xsl:template>
3448
3449  <!-- experimental: format URI with zero-width spaces to ease line breaks -->
3450 
3451  <xsl:template name="format-uri">
3452    <xsl:param name="s"/>
3453    <xsl:param name="mode"/>
3454   
3455    <xsl:choose>
3456      <!-- optimization for not hypenating the scheme name -->
3457      <xsl:when test="$mode!='after-scheme' and string-length(substring-before($s,':')) > 2">
3458        <xsl:value-of select="concat(substring-before($s,':'),':&#x200b;')"/>
3459        <xsl:call-template name="format-uri">
3460          <xsl:with-param name="s" select="substring-after($s,':')"/>
3461          <xsl:with-param name="mode" select="'after-scheme'"/>
3462        </xsl:call-template>
3463      </xsl:when>
3464      <!-- do no insert break points after hyphens -->
3465      <xsl:when test="starts-with($s,'-')">
3466        <xsl:text>-</xsl:text>
3467        <xsl:call-template name="format-uri">
3468          <xsl:with-param name="s" select="substring($s,2)"/>
3469          <xsl:with-param name="mode" select="'after-scheme'"/>
3470        </xsl:call-template>
3471      </xsl:when>
3472      <!-- last char?-->
3473      <xsl:when test="string-length($s)=1">
3474        <xsl:value-of select="$s"/>
3475      </xsl:when>
3476      <!-- add one zwsp after each character -->
3477      <xsl:when test="$s!=''">
3478        <xsl:value-of select="concat(substring($s,1,1),'&#x200b;')"/>
3479        <xsl:call-template name="format-uri">
3480          <xsl:with-param name="s" select="substring($s,2)"/>
3481          <xsl:with-param name="mode" select="'after-scheme'"/>
3482        </xsl:call-template>
3483      </xsl:when>
3484      <xsl:otherwise>
3485        <!-- done -->
3486      </xsl:otherwise>
3487    </xsl:choose>
3488   
3489  </xsl:template>
3490
3491<xsl:template name="emit-message-inline">
3492  <xsl:param name="message"/>
3493  <xsl:param name="node" select="."/>
3494  <xsl:for-each select="$node">
3495    <xsl:choose>
3496      <xsl:when test="ancestor::t">
3497        <fo:inline color="red"><xsl:value-of select="$message"/></fo:inline>
3498      </xsl:when>
3499      <xsl:otherwise>
3500        <fo:block color="red"><xsl:value-of select="$message"/></fo:block>
3501      </xsl:otherwise>
3502    </xsl:choose>
3503  </xsl:for-each>
3504</xsl:template>
3505
3506<!-- clean up links from HTML -->
3507<xsl:template match="node()|@*" mode="strip-links">
3508  <xsl:copy>
3509          <xsl:apply-templates select="node()|@*" mode="strip-links" />
3510  </xsl:copy>
3511</xsl:template>
3512<xsl:template match="fo:basic-link" mode="strip-links">
3513        <xsl:apply-templates select="node()" mode="strip-links" />
3514</xsl:template>
3515
3516<xsl:template match="fo:block" mode="strip-ids-and-linebreaks">
3517  <xsl:text> </xsl:text>
3518</xsl:template>
3519
3520<xsl:template match="artset">
3521  <!-- see https://tools.ietf.org/html/draft-levkowetz-xml2rfc-v3-implementation-notes-08#section-3.1.1 -->
3522  <xsl:choose>
3523    <xsl:when test="artwork[svg:svg or normalize-space(.)='' or @src!='']">
3524      <xsl:apply-templates select="artwork[svg:svg or normalize-space(.)='' or @src!=''][1]"/>
3525    </xsl:when>
3526    <xsl:when test="artwork">
3527      <xsl:apply-templates select="artwork[1]"/>
3528    </xsl:when>
3529    <xsl:when test="@anchor">
3530      <fo:block id="{@anchor}"/>
3531    </xsl:when>
3532    <xsl:otherwise/>
3533  </xsl:choose>
3534</xsl:template>
3535
3536</xsl:transform>
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