3 <!-- Copyright (C) 2000, HELM Team -->
5 <!-- This file is part of HELM, an Hypertextual, Electronic -->
6 <!-- Library of Mathematics, developed at the Computer Science -->
7 <!-- Department, University of Bologna, Italy. -->
9 <!-- HELM is free software; you can redistribute it and/or -->
10 <!-- modify it under the terms of the GNU General Public License -->
11 <!-- as published by the Free Software Foundation; either version 2 -->
12 <!-- of the License, or (at your option) any later version. -->
14 <!-- HELM is distributed in the hope that it will be useful, -->
15 <!-- but WITHOUT ANY WARRANTY; without even the implied warranty of -->
16 <!-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -->
17 <!-- GNU General Public License for more details. -->
19 <!-- You should have received a copy of the GNU General Public License -->
20 <!-- along with HELM; if not, write to the Free Software -->
21 <!-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, -->
22 <!-- MA 02111-1307, USA. -->
24 <!-- For details, see the HELM World-Wide-Web page, -->
25 <!-- http://cs.unibo.it/helm/. -->
27 <!--******************************************************************-->
29 <!-- (completely) Revisited: february 2001, Andrea Asperti -->
30 <!-- HELM Group: Asperti, Padovani, Sacerdoti, Schena -->
31 <!--******************************************************************-->
33 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
34 xmlns:m="http://www.w3.org/1998/Math/MathML"
35 xmlns:helm="http://www.cs.unibo.it/helm">
37 <!-- ************************* LOGIC *********************************-->
39 <!-- Proof objects -->
41 <!-- <xsl:key name="typeid" use="@of" match="TYPE"/> -->
43 <!-- ALL this elements does not have inner type -->
44 <xsl:template match="LETIN|PROD|REL|SORT|VAR|META|CONST|MUTIND|MUTCONSTRUCT" mode="noannot">
45 <xsl:apply-templates select="." mode="pure"/>
48 <!-- ALL ELEMENTS WITH A TYPE ARE TRANSLATED AS A PROOF-ELEMENT -->
50 <!-- LAMBDA has inner type only if it is not nested inside another lambda -->
51 <xsl:template match="LAMBDA" mode="noannot">
52 <xsl:variable name="id" select="@id"/>
54 <xsl:when test="$naturalLanguage='yes' and @sort='Prop' and name(../..) != 'LAMBDA'">
55 <m:apply helm:xref="{@id}">
56 <m:csymbol>proof</m:csymbol>
57 <xsl:apply-templates mode="proof_transform" select="."/>
58 <xsl:apply-templates mode="pure" select="$InnerTypes/InnerTypes/TYPE[@of=$id]/*"/>
62 <xsl:apply-templates select="." mode="pure"/>
67 <!-- ALL these elements have inner type -->
68 <xsl:template match="CAST|APPLY|MUTCASE|FIX|COFIX" mode="noannot">
69 <xsl:variable name="id" select="@id"/>
71 <xsl:when test="$naturalLanguage='yes' and @sort='Prop'">
72 <m:apply helm:xref="{@id}">
73 <m:csymbol>proof</m:csymbol>
74 <xsl:apply-templates mode="proof_transform" select="."/>
75 <!-- <xsl:apply-templates mode="try_inductive" select="."/> -->
76 <xsl:apply-templates mode="pure" select="$InnerTypes/InnerTypes/TYPE[@of=$id]/*"/>
81 <xsl:when test="name()='APPLY'">
82 <xsl:apply-templates select="." mode="letin"/>
85 <xsl:apply-templates select="." mode="pure"/>
92 <!-- si presuppone che il tipo induttivo non sia mutuamente
93 induttivo. Bisognerebbe andare a vedere l'utlimo parametro
94 del presunto "principio di induzione", tirare fuori il tipo induttivo
95 e vedere se il suo nome coincide con il prefisso di _ind.
96 Ad esempio nat_double_ind e' definito dall'utente. L'ultimo
97 parametro di nat_double_ind e' di tipo nat, e nat e' diverso
98 da nat_double. Per ora, verifico solo l'esistenza di nat_double,
99 ma questo, benche' non porti ad errore, non copre tutti i
100 casi per quelli mutuamente induttivi -->
102 <xsl:template mode="try_inductive" match="APPLY">
103 <xsl:variable name="id" select="@id"/>
105 <xsl:when test="CONST[1]">
106 <xsl:variable name="uri" select="CONST[1]/@uri"/>
108 <xsl:when test="contains($uri,'_ind.con')">
109 <xsl:variable name="ind_uri"
110 select="concat(substring-before($uri,'_ind.con'),'.ind')"/>
111 <xsl:variable name="inductive_def"
112 select="document(concat(string($absPath),$ind_uri))/InductiveDefinition"/>
113 <!-- check if the corresponding inductive definition actually
116 <xsl:when test="$inductive_def">
117 <xsl:variable name="ind_name">
118 <xsl:call-template name="get_name">
119 <xsl:with-param name="uri" select="$uri"/>
122 <xsl:variable name="no_params">
123 <xsl:call-template name="get_no_params">
124 <xsl:with-param name="first_uri" select="$CICURI"/>
125 <xsl:with-param name="second_uri" select="$uri"/>
128 <xsl:apply-templates mode="inductive" select=".">
129 <xsl:with-param name="inductive_def_uri"
131 <xsl:with-param name="inductive_def"
132 select="$inductive_def"/>
133 <xsl:with-param name="section_params" select="$no_params"/>
134 <xsl:with-param name="inductive_def_index" select="1"/>
135 <xsl:with-param name="inductive_def_name" select="$ind_name"/>
136 </xsl:apply-templates>
139 <xsl:apply-templates mode="letin" select="."/>
144 <xsl:apply-templates mode="letin" select="."/>
149 <xsl:apply-templates mode="letin" select="."/>
155 <xsl:template mode="proof_transform" match="*">
157 <xsl:when test="name()='APPLY'">
158 <xsl:variable name="id" select="@id"/>
161 <xsl:when test="CONST[
162 attribute::uri='cic:/Coq/Init/Logic/Equality/eq_ind.con' or
163 attribute::uri='cic:/Coq/Init/Logic/Logic_lemmas/eq_ind_r.con' or
164 attribute::uri='cic:/Coq/Init/Logic_Type/eqT_ind.con' or
165 attribute::uri='cic:/Coq/Init/Logic_Type/eqT_ind_r.con' or
166 attribute::uri='cic:/Coq/Zarith/auxiliary/eqT_ind_r.con'] and count(child::*) = 7">
168 <m:csymbol>rw_step</m:csymbol>
169 <xsl:apply-templates mode="noannot" select="*[5]"/>
170 <xsl:apply-templates mode="pure" select="*[3]"/>
171 <xsl:apply-templates mode="pure" select="*[6]"/>
172 <xsl:call-template name="generate_side_proof">
173 <xsl:with-param name="proof" select="*[7]"/>
175 <!-- <xsl:apply-templates mode="proof_transform" select="*[7]"/> -->
178 <!-- EQUALITY with extra-parameters -->
179 <xsl:when test="CONST[
180 attribute::uri='cic:/Coq/Init/Logic/Equality/eq_ind.con' or
181 attribute::uri='cic:/Coq/Init/Logic/Logic_lemmas/eq_ind_r.con' or
182 attribute::uri='cic:/Coq/Init/Logic_Type/eqT_ind.con' or
183 attribute::uri='cic:/Coq/Init/Logic_Type/eqT_ind_r.con' or
184 attribute::uri='cic:/Coq/Zarith/auxiliary/eqT_ind_r.con'] and count(child::*) > 7">
185 <xsl:variable name="no_extraproofs" select="count(*[position()>7 and @sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')])"/>
187 <xsl:when test="$no_extraproofs=0">
189 <m:csymbol>rewrite_and_apply</m:csymbol>
191 <m:csymbol>rw_step</m:csymbol>
192 <xsl:apply-templates mode="noannot" select="*[5]"/>
193 <xsl:apply-templates mode="pure" select="*[3]"/>
194 <xsl:apply-templates mode="pure" select="*[6]"/>
195 <xsl:call-template name="generate_side_proof">
196 <xsl:with-param name="proof" select="*[7]"/>
198 <!-- <xsl:apply-templates mode="pure" select="*[7]"/> -->
200 <xsl:apply-templates mode="noannot" select="*[position()>7]"/>
205 <xsl:when test="*[5]/@sort='Prop'">
206 <m:apply helm:xref="{@id}">
207 <m:csymbol>letin</m:csymbol>
209 <m:csymbol>let</m:csymbol>
211 <xsl:call-template name="insert_subscript">
212 <xsl:with-param name="node_value" select="'h1'"/>
215 <xsl:apply-templates mode="noannot" select="*[5]"/>
217 <xsl:call-template name="gen_let">
218 <xsl:with-param name="init_pos" select="1"/>
219 <xsl:with-param name="from" select="7"/>
222 <m:csymbol>rewrite_and_apply</m:csymbol>
224 <m:csymbol>rw_step</m:csymbol>
226 <xsl:call-template name="insert_subscript">
227 <xsl:with-param name="node_value" select="'h1'"/>
230 <xsl:apply-templates mode="pure" select="*[3]"/>
231 <xsl:apply-templates mode="pure" select="*[6]"/>
232 <xsl:call-template name="generate_side_proof">
233 <xsl:with-param name="proof" select="*[7]"/>
235 <!-- <xsl:apply-templates mode="pure" select="*[7]"/> -->
237 <xsl:apply-templates mode="flat" select="*[8]">
238 <xsl:with-param name="n">
239 <xsl:value-of select="2"/>
241 </xsl:apply-templates>
246 <m:apply helm:xref="{@id}">
247 <m:csymbol>letin</m:csymbol>
248 <xsl:call-template name="gen_let">
249 <xsl:with-param name="init_pos" select="0"/>
250 <xsl:with-param name="form" select="7"/>
253 <m:csymbol>rewrite_and_apply</m:csymbol>
255 <m:csymbol>rw_step</m:csymbol>
256 <xsl:apply-templates mode="pure" select="*[5]"/>
257 <xsl:apply-templates mode="pure" select="*[3]"/>
258 <xsl:apply-templates mode="pure" select="*[6]"/>
259 <xsl:call-template name="generate_side_proof">
260 <xsl:with-param name="proof" select="*[7]"/>
262 <!-- <xsl:apply-templates mode="pure" select="*[7]"/> -->
264 <xsl:apply-templates mode="flat" select="*[8]">
265 <xsl:with-param name="n">
266 <xsl:value-of select="1"/>
268 </xsl:apply-templates>
277 <xsl:when test="CONST[
278 attribute::uri='cic:/Coq/Init/Logic/False_ind.con'] and
279 count(child::*) = 3">
280 <m:apply helm:xref="{@id}">
281 <m:csymbol>false_ind</m:csymbol>
282 <m:ci>cic:/Coq/Init/Logic/False_ind.con</m:ci>
283 <xsl:apply-templates mode="noannot" select="*[3]"/>
286 <!-- gestire meglio il caso di and_ind quando la prova
287 non e' della forma \x.\y.M -->
288 <xsl:when test="CONST[
289 attribute::uri='cic:/Coq/Init/Logic/Conjunction/and_ind.con']
290 and count(child::*) = 6
291 and name(*[5])='LAMBDA'
292 and name(*[5]/target/*[1])='LAMBDA'">
293 <m:apply helm:xref="{@id}">
294 <m:csymbol>and_ind</m:csymbol>
295 <xsl:apply-templates mode="noannot" select="*[6]"/>
296 <m:ci><xsl:call-template name="insert_subscript"><xsl:with-param name="node_value"><xsl:value-of select="*[5]/target/@binder"/></xsl:with-param></xsl:call-template></m:ci>
297 <xsl:apply-templates mode="pure" select="*[5]/source/*"/>
298 <m:ci><xsl:call-template name="insert_subscript"><xsl:with-param name="node_value"><xsl:value-of select="*[5]/target/LAMBDA/target/@binder"/></xsl:with-param></xsl:call-template></m:ci>
299 <xsl:apply-templates mode="pure" select="*[5]/target/LAMBDA/source/*"/>
300 <xsl:apply-templates mode="proof_transform" select="*[5]/target/LAMBDA/target/*"/>
303 <xsl:when test="CONST[
304 attribute::uri='cic:/Coq/Init/Logic/Disjunction/or_ind.con']
305 and count(child::*) = 7">
307 <xsl:when test="name(*[5])='LAMBDA'
308 and name(*[6])='LAMBDA'">
309 <xsl:variable name="definition_url"
310 select="'cic:/Coq/Init/Logic/Disjunction/or.ind'"/>
311 <m:apply helm:xref="{@id}">
312 <m:csymbol>full_or_ind</m:csymbol>
313 <xsl:apply-templates mode="noannot" select="*[7]"/>
314 <xsl:apply-templates mode="pure"
315 select="$InnerTypes/InnerTypes/TYPE[@of=$id]/*"/>
317 <m:csymbol>left_case</m:csymbol>
320 <xsl:value-of select="*[5]/target/@binder"/>
323 <xsl:apply-templates mode="pure" select="*[5]/source/*[1]"/>
326 <xsl:apply-templates mode="noannot" select="*[5]/target/*[1]"/>
329 <m:csymbol>right_case</m:csymbol>
332 <xsl:apply-templates mode="pure" select="*[6]/target/@binder"/>
335 <xsl:apply-templates mode="pure" select="*[6]/source/*[1]"/>
338 <xsl:apply-templates mode="noannot" select="*[6]/target/*[1]"/>
343 <m:apply helm:xref="{@id}">
344 <m:csymbol>or_ind</m:csymbol>
345 <xsl:apply-templates mode="noannot" select="*[7]"/>
346 <xsl:apply-templates mode="pure"
347 select="$InnerTypes/InnerTypes/TYPE[@of=$id]/*"/>
348 <xsl:apply-templates mode="pure" select="*[5]"/>
349 <xsl:apply-templates mode="pure" select="*[6]"/>
354 <!-- ex_ind, exT_ind -->
355 <xsl:when test="(CONST[attribute::uri='cic:/Coq/Init/Logic_Type/exT_ind.con'] or
356 CONST[attribute::uri='cic:/Coq/Init/Logic/First_order_quantifiers/ex_ind.con'])
357 and count(child::*) = 6
358 and name(*[5])='LAMBDA'
359 and name(*[5]/target/*[1])='LAMBDA'">
360 <m:apply helm:xref="{@id}">
361 <m:csymbol>ex_ind</m:csymbol>
362 <xsl:apply-templates mode="noannot" select="*[6]"/>
363 <m:ci><xsl:call-template name="insert_subscript"><xsl:with-param name="node_value"><xsl:value-of select="*[5]/target/@binder"/></xsl:with-param></xsl:call-template></m:ci>
364 <xsl:apply-templates mode="pure" select="*[5]/source/*"/>
365 <m:ci><xsl:call-template name="insert_subscript"><xsl:with-param name="node_value"><xsl:value-of select="*[5]/target/LAMBDA/target/@binder"/></xsl:with-param></xsl:call-template></m:ci>
366 <xsl:apply-templates mode="pure" select="*[5]/target/LAMBDA/source/*"/>
367 <xsl:apply-templates mode="proof_transform" select="*[5]/target/LAMBDA/target/*"/>
370 <xsl:when test="name(*[1])='CONST'">
371 <xsl:apply-templates mode="try_inductive" select="."/>
373 <!-- patch temporanea per la gestione di redex -->
374 <xsl:when test="name(*[1])='LAMBDA' and count(child::*)=2
375 and *[2]/@sort='Prop'">
376 <m:apply helm:xref="{@id}">
377 <m:csymbol>letin</m:csymbol>
379 <m:csymbol>let</m:csymbol>
381 <xsl:call-template name="insert_subscript">
382 <xsl:with-param name="node_value">
383 <xsl:value-of select="*[1]/target/@binder"/>
387 <xsl:apply-templates mode="noannot" select="*[2]"/>
389 <xsl:apply-templates mode="proof_transform" select="*[1]/target/*[1]"/>
393 <xsl:apply-templates select="." mode="letin"/>
397 <xsl:when test="name()='LAMBDA'">
399 <xsl:when test="(name(target/*[1])='APPLY' and
400 name(target/*[1]/*[1])='CONST' and
401 (target/*[1]/*[1]/@uri='cic:/Coq/Init/Logic_Type/eqT_ind.con' or
402 target/*[1]/*[1]/@uri='cic:/Coq/Init/Logic_Type/eqT_ind_r.con' or
403 target/*[1]/*[1]/@uri='cic:/Coq/Zarith/auxiliary/eqT_ind_r.con')
404 and count(target/*[1]/*) = 8
405 and name(target/*[1]/*[8])='REL'
406 and target/@binder = target/*[1]/*[8]/@binder )">
408 <m:csymbol>rw_step</m:csymbol>
409 <xsl:apply-templates mode="noannot" select="target/*[1]/*[5]"/>
410 <xsl:apply-templates mode="pure" select="target/*[1]/*[3]"/>
411 <xsl:apply-templates mode="pure" select="target/*[1]/*[6]"/>
412 <xsl:call-template name="generate_side_proof">
413 <xsl:with-param name="proof" select="target/*[1]/*[7]"/>
415 <!-- <xsl:apply-templates mode="proof_transform" select="target/*[1]/*[7]"/> -->
419 <xsl:apply-templates mode="pure" select="."/>
424 <xsl:apply-templates select="." mode="pure"/>
429 <xsl:template name="is_simple">
430 <xsl:param name="proof" select="/.."/>
431 <xsl:value-of select="(count($proof/*)=0) or ((name($proof)='APPLY') and (count($proof/*[@sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')]) = 0))"/>
434 <xsl:template name="generate_side_proof">
435 <xsl:param name="proof" select="/.."/>
437 <xsl:variable name="is_simple">
438 <xsl:call-template name="is_simple">
439 <xsl:with-param name="proof" select="$proof"/>
442 <xsl:variable name="is_simple" select="(count($proof/*)=0) or ((name($proof)='APPLY') and (count($proof/*[@sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')]) = 0))"/>
444 <xsl:when test="$is_simple">
446 <xsl:when test="name($proof)='APPLY'">
447 <xsl:apply-templates select="$proof" mode="letin"/>
450 <xsl:apply-templates select="$proof" mode="pure"/>
455 <xsl:apply-templates select="$proof" mode="noannot"/>
460 <xsl:variable name="no_subproofs" select="count(*[@sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')])"/>
462 <xsl:template match="APPLY" mode="letin">
463 <xsl:variable name="no_subproofs" select="count(*[@sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')])"/>
464 <!-- <m:cn><xsl:value-of select="$no_subproofs"/></m:cn> -->
466 <xsl:when test="$naturalLanguage='yes' and ($no_subproofs = 1)">
467 <m:apply helm:xref="{@id}">
468 <m:csymbol>letin1</m:csymbol>
469 <xsl:apply-templates mode="noannot" select="*[@sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')]"/>
470 <!-- now re-process the application -->
471 <m:apply helm:xref="{@id}">
472 <m:csymbol>app</m:csymbol>
473 <!-- mode previous looks for siblings:
474 call with the first child -->
475 <xsl:apply-templates mode="previous" select="*[1]"/>
479 <xsl:when test="$naturalLanguage='yes' and ($no_subproofs > 1)">
480 <m:apply helm:xref="{@id}">
481 <m:csymbol>letin</m:csymbol>
482 <!-- first process all subproofs (let-in) -->
483 <xsl:call-template name="gen_let"/>
484 <!-- now re-process the application -->
485 <m:apply helm:xref="{@id}">
486 <m:csymbol>app</m:csymbol>
487 <!-- mode flat looks for siblings: call with the first child -->
488 <xsl:apply-templates mode="flat" select="*[1]"/>
494 <xsl:when test="@sort='Prop'">
496 <m:csymbol>app</m:csymbol>
497 <xsl:apply-templates mode="erase" select="*[1]"/>
501 <xsl:apply-templates mode="pure" select="."/>
508 <xsl:template name="gen_let">
509 <xsl:param name="init_pos" select="0"/>
510 <xsl:param name="from" select="0"/>
511 <xsl:for-each select="*[position()>$from and @sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')]">
513 <m:csymbol>let</m:csymbol>
514 <m:ci><xsl:call-template name="insert_subscript"><xsl:with-param name="node_value"><xsl:value-of select="concat('h',position()+$init_pos)"/></xsl:with-param></xsl:call-template></m:ci>
515 <xsl:apply-templates mode="noannot" select="."/>
520 <xsl:template match="*" mode="erase">
522 <xsl:when test="@sort='Prop' or $naturalLanguage='no'">
523 <xsl:apply-templates mode="pure" select="."/>
529 <xsl:apply-templates mode="erase" select="following-sibling::*[1]"/>
532 <xsl:template match="*" mode="previous">
534 <xsl:when test="$naturalLanguage='yes' and @sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')">
535 <m:ci>previous</m:ci>
538 <!-- forse bisognerebbe trattare solo l'elemento di testa -->
540 <xsl:when test="@sort='Prop' or $naturalLanguage='no'">
541 <xsl:apply-templates mode="pure" select="."/>
547 <!-- <xsl:apply-templates select="." mode="pure"/> -->
550 <xsl:apply-templates mode="previous" select="following-sibling::*[1]"/>
553 <xsl:template match="*" mode="flat">
554 <xsl:param name="n" select="1"/>
555 <xsl:variable name="id" select="@id"/>
557 <xsl:when test="$naturalLanguage='yes' and @sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')">
559 <xsl:call-template name="insert_subscript"><xsl:with-param name="node_value"><xsl:value-of select="concat('h',$n)"/></xsl:with-param></xsl:call-template>
561 <xsl:apply-templates mode="flat" select="following-sibling::*[1]">
562 <xsl:with-param name="n" select="$n+1"/>
563 </xsl:apply-templates>
567 <xsl:when test="name()='REL' or @sort='Prop' or $naturalLanguage='no'">
568 <xsl:apply-templates mode="pure" select="."/>
574 <!-- <xsl:apply-templates mode="pure" select="."/> -->
575 <xsl:apply-templates mode="flat" select="following-sibling::*[1]">
576 <xsl:with-param name="n" select="$n"/>
577 </xsl:apply-templates>
582 <!-- Auxiliary functions -->
583 <!-- OMDOC: now we have name_of_uri generalized on the extension that -->
584 <!-- can replace the next template -->
585 <xsl:template name="get_name">
586 <xsl:param name="uri" select="''"/>
587 <xsl:variable name="sub_after" select="substring-after($uri,'/')"/>
589 <xsl:when test="contains($sub_after,'/')">
590 <xsl:call-template name="get_name">
591 <xsl:with-param name="uri" select="$sub_after"/>
595 <xsl:value-of select="substring-before($sub_after,'_ind.con')"/>
600 <!-- <xsl:template match="APPLY[CONST[
601 attribute::uri='cic:/Coq/Init/Logic/Conjunction/and_ind.con']]" mode="appflat">
603 <xsl:when test="count(child::*) > 4">
604 <m:apply helm:xref="{@id}">
605 <m:csymbol>app</m:csymbol>
606 <xsl:apply-templates mode="pure" select="*[1]"/>
610 <xsl:apply-templates mode="flat" select="*[5]"/>
614 <m:apply helm:xref="{@id}">
615 <m:csymbol>app</m:csymbol>
616 <xsl:apply-templates mode="flat" select="*[1]"/>