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libs/{curl,libxml2}: OSE export fixes, bugref:8515

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1<?xml version="1.0"?>
2<?xml-stylesheet type="text/xsl"
3 href="http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"?>
4<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
5 "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
6
7 <!ENTITY xmllint "<command>xmllint</command>">
8]>
9
10<refentry>
11
12<refentryinfo>
13 <title>xmllint Manual</title>
14 <productname>libxml2</productname>
15 <copyright>
16 <year>2001</year>
17 <year>2004</year>
18 </copyright>
19 <authorgroup>
20 <author>
21 <firstname>John</firstname>
22 <surname>Fleck</surname>
23 <affiliation>
24 <address>
25 <email>[email protected]</email>
26 </address>
27 </affiliation>
28 </author>
29 <author>
30 <firstname>Ziying</firstname>
31 <surname>Sherwin</surname>
32 <affiliation>
33 <address>
34 <email>[email protected]</email>
35 </address>
36 </affiliation>
37 </author>
38 <author>
39 <firstname>Heiko</firstname>
40 <surname>Rupp</surname>
41 <affiliation>
42 <address>
43 <email>[email protected]</email>
44 </address>
45 </affiliation>
46 </author>
47 </authorgroup>
48 <!-- still a bit buggy output, will talk to docbook-xsl upstream to fix this -->
49 <!-- <releaseinfo>This is release 0.5 of the xmllint Manual.</releaseinfo> -->
50 <!-- <edition>0.5</edition> -->
51</refentryinfo>
52
53<refmeta>
54 <refentrytitle>xmllint</refentrytitle>
55 <manvolnum>1</manvolnum>
56</refmeta>
57
58<refnamediv>
59 <refname>xmllint</refname>
60 <refpurpose>command line <acronym>XML</acronym> tool</refpurpose>
61</refnamediv>
62
63<refsynopsisdiv>
64 <cmdsynopsis>
65 <command>xmllint</command>
66 <group choice="opt">
67 <arg choice="plain"><option>--version</option></arg>
68 <arg choice="plain"><option>--debug</option></arg>
69 <arg choice="plain"><option>--shell</option></arg>
70 <arg choice="plain"><option>--xpath "<replaceable class="option">XPath_expression</replaceable>"</option></arg>
71 <arg choice="plain"><option>--debugent</option></arg>
72 <arg choice="plain"><option>--copy</option></arg>
73 <arg choice="plain"><option>--recover</option></arg>
74 <arg choice="plain"><option>--noent</option></arg>
75 <arg choice="plain"><option>--noout</option></arg>
76 <arg choice="plain"><option>--nonet</option></arg>
77 <arg choice="plain"><option>--path "<replaceable class="option">PATH(S)</replaceable>"</option></arg>
78 <arg choice="plain"><option>--load-trace</option></arg>
79 <arg choice="plain"><option>--htmlout</option></arg>
80 <arg choice="plain"><option>--nowrap</option></arg>
81 <arg choice="plain"><option>--valid</option></arg>
82 <arg choice="plain"><option>--postvalid</option></arg>
83 <arg choice="plain"><option>--dtdvalid <replaceable class="option">URL</replaceable></option></arg>
84 <arg choice="plain"><option>--dtdvalidfpi <replaceable class="option">FPI</replaceable></option></arg>
85 <arg choice="plain"><option>--timing</option></arg>
86 <arg choice="plain"><option>--output <replaceable class="option">FILE</replaceable></option></arg>
87 <arg choice="plain"><option>--repeat</option></arg>
88 <arg choice="plain"><option>--insert</option></arg>
89 <arg choice="plain"><option>--compress</option></arg>
90 <arg choice="plain"><option>--html</option></arg>
91 <arg choice="plain"><option>--xmlout</option></arg>
92 <arg choice="plain"><option>--push</option></arg>
93 <arg choice="plain"><option>--memory</option></arg>
94 <arg choice="plain"><option>--maxmem <replaceable class="option">NBBYTES</replaceable></option></arg>
95 <arg choice="plain"><option>--nowarning</option></arg>
96 <arg choice="plain"><option>--noblanks</option></arg>
97 <arg choice="plain"><option>--nocdata</option></arg>
98 <arg choice="plain"><option>--format</option></arg>
99 <arg choice="plain"><option>--encode <replaceable class="option">ENCODING</replaceable></option></arg>
100 <arg choice="plain"><option>--dropdtd</option></arg>
101 <arg choice="plain"><option>--nsclean</option></arg>
102 <arg choice="plain"><option>--testIO</option></arg>
103 <arg choice="plain"><option>--catalogs</option></arg>
104 <arg choice="plain"><option>--nocatalogs</option></arg>
105 <arg choice="plain"><option>--auto</option></arg>
106 <arg choice="plain"><option>--xinclude</option></arg>
107 <arg choice="plain"><option>--noxincludenode</option></arg>
108 <arg choice="plain"><option>--loaddtd</option></arg>
109 <arg choice="plain"><option>--dtdattr</option></arg>
110 <arg choice="plain"><option>--stream</option></arg>
111 <arg choice="plain"><option>--walker</option></arg>
112 <arg choice="plain"><option>--pattern <replaceable class="option">PATTERNVALUE</replaceable></option></arg>
113 <arg choice="plain"><option>--chkregister</option></arg>
114 <arg choice="plain"><option>--relaxng <replaceable class="option">SCHEMA</replaceable></option></arg>
115 <arg choice="plain"><option>--schema <replaceable class="option">SCHEMA</replaceable></option></arg>
116 <arg choice="plain"><option>--c14n</option></arg>
117 </group>
118 <group choice="req">
119 <arg choice="plain" rep="repeat"><replaceable>XML-FILE(S)</replaceable></arg>
120 <arg choice="plain" rep="norepeat">-</arg>
121 </group>
122 </cmdsynopsis>
123 <cmdsynopsis>
124 <command>xmllint</command>
125 <arg choice="plain"><option>--help</option></arg>
126 </cmdsynopsis>
127</refsynopsisdiv>
128
129<refsect1 id="description">
130 <title>DESCRIPTION</title>
131 <para>
132 The &xmllint; program parses one or more <acronym>XML</acronym> files,
133 specified on the command line as <replaceable>XML-FILE</replaceable>
134 (or the standard input if the filename provided
135 is <emphasis role="bold">-</emphasis> ). It prints various types of
136 output, depending upon the options selected. It is useful for detecting
137 errors both in <acronym>XML</acronym> code and in
138 the <acronym>XML</acronym> parser itself.
139 </para>
140 <para>&xmllint; is included in <citerefentry>
141 <refentrytitle>libxml</refentrytitle>
142 <manvolnum>3</manvolnum>
143 </citerefentry>.</para>
144</refsect1>
145
146<refsect1 id="options">
147 <title>OPTIONS</title>
148 <para>
149 &xmllint; accepts the following options (in alphabetical order):
150 </para>
151
152 <variablelist>
153
154 <varlistentry>
155 <term><option>--auto</option></term>
156 <listitem>
157 <para>Generate a small document for testing purposes.</para>
158 </listitem>
159 </varlistentry>
160
161 <varlistentry>
162 <term><option>--catalogs</option></term>
163 <listitem>
164 <para>
165 Use the <acronym>SGML</acronym> catalog(s) from <envar>SGML_CATALOG_FILES</envar>.
166 Otherwise <acronym>XML</acronym> catalogs starting
167 from <filename>/etc/xml/catalog</filename> are used by default.
168 </para>
169 </listitem>
170 </varlistentry>
171
172 <varlistentry>
173 <term><option>--chkregister</option></term>
174 <listitem>
175 <para>
176 Turn on node registration. Useful for developers testing <citerefentry>
177 <refentrytitle>libxml</refentrytitle>
178 <manvolnum>3</manvolnum>
179 </citerefentry> node tracking code.
180 </para>
181 </listitem>
182 </varlistentry>
183
184 <varlistentry>
185 <term><option>--compress</option></term>
186 <listitem>
187 <para>
188 Turn on <citerefentry>
189 <refentrytitle>gzip</refentrytitle>
190 <manvolnum>1</manvolnum>
191 </citerefentry> compression of output.
192 </para>
193 </listitem>
194 </varlistentry>
195
196 <varlistentry>
197 <term><option>--copy</option></term>
198 <listitem>
199 <para>Test the internal copy implementation.</para>
200 </listitem>
201 </varlistentry>
202
203 <varlistentry>
204 <term><option>--c14n</option></term>
205 <listitem>
206 <para>
207 Use the W3C <acronym>XML</acronym> Canonicalisation (<acronym>C14N</acronym>) to
208 serialize the result of parsing to <filename class="devicefile">stdout</filename>.
209 It keeps comments in the result.
210 </para>
211 </listitem>
212 </varlistentry>
213
214 <varlistentry>
215 <term><option>--dtdvalid <replaceable class="option">URL</replaceable></option></term>
216 <listitem>
217 <para>
218 Use the <acronym>DTD</acronym> specified by
219 an <replaceable>URL</replaceable> for validation.
220 </para>
221 </listitem>
222 </varlistentry>
223
224 <varlistentry>
225 <term><option>--dtdvalidfpi <replaceable class="option">FPI</replaceable></option></term>
226 <listitem>
227 <para>
228 Use the <acronym>DTD</acronym> specified by a Formal Public
229 Identifier <replaceable>FPI</replaceable> for validation, note that this
230 will require a catalog exporting that Formal Public Identifier to work.
231 </para>
232 </listitem>
233 </varlistentry>
234
235 <varlistentry>
236 <term><option>--debug</option></term>
237 <listitem>
238 <para>
239 Parse a file and output an annotated tree of the
240 in-memory version of the document.
241 </para>
242 </listitem>
243 </varlistentry>
244
245 <varlistentry>
246 <term><option>--debugent</option></term>
247 <listitem>
248 <para>Debug the entities defined in the document.</para>
249 </listitem>
250 </varlistentry>
251
252 <varlistentry>
253 <term><option>--dropdtd</option></term>
254 <listitem>
255 <para>Remove <acronym>DTD</acronym> from output.</para>
256 </listitem>
257 </varlistentry>
258
259 <varlistentry>
260 <term><option>--dtdattr</option></term>
261 <listitem>
262 <para>
263 Fetch external <acronym>DTD</acronym> and populate the tree with
264 inherited attributes.
265 </para>
266 </listitem>
267 </varlistentry>
268
269 <varlistentry>
270 <term><option>--encode <replaceable class="option">ENCODING</replaceable></option></term>
271 <listitem>
272 <para>Output in the given encoding. Note that this works for full document not fragments or result from XPath queries.</para>
273 </listitem>
274 </varlistentry>
275
276 <varlistentry>
277 <term><option>--format</option></term>
278 <listitem>
279 <para>
280 Reformat and reindent the output. The <envar>XMLLINT_INDENT</envar>
281 environment variable controls the indentation. The default value is two
282 spaces &quot; &quot;).
283 </para>
284 </listitem>
285 </varlistentry>
286
287 <varlistentry>
288 <term><option>--help</option></term>
289 <listitem>
290 <para>Print out a short usage summary for &xmllint;.</para>
291 </listitem>
292 </varlistentry>
293
294 <varlistentry>
295 <term><option>--html</option></term>
296 <listitem>
297 <para>Use the <acronym>HTML</acronym> parser.</para>
298 </listitem>
299 </varlistentry>
300
301 <varlistentry>
302 <term><option>--htmlout</option></term>
303 <listitem>
304 <para>
305 Output results as an <acronym>HTML</acronym> file. This
306 causes &xmllint; to output the necessary <acronym>HTML</acronym>
307 tags surrounding the result tree output so the results can be
308 displayed/viewed in a browser.
309 </para>
310 </listitem>
311 </varlistentry>
312
313 <varlistentry>
314 <term><option>--insert</option></term>
315 <listitem>
316 <para>Test for valid insertions.</para>
317 </listitem>
318 </varlistentry>
319
320 <varlistentry>
321 <term><option>--loaddtd</option></term>
322 <listitem>
323 <para>Fetch an external <acronym>DTD</acronym>.</para>
324 </listitem>
325 </varlistentry>
326
327 <varlistentry>
328 <term><option>--load-trace</option></term>
329 <listitem>
330 <para>
331 Display all the documents loaded during the processing
332 to <filename class="devicefile">stderr</filename>.
333 </para>
334 </listitem>
335 </varlistentry>
336
337 <varlistentry>
338 <term><option>--maxmem <replaceable class="option">NNBYTES</replaceable></option></term>
339 <listitem>
340 <para>
341 Test the parser memory support. <replaceable>NNBYTES</replaceable>
342 is the maximum number of bytes the library is allowed to allocate.
343 This can also be used to make sure batch processing
344 of <acronym>XML</acronym> files will not exhaust the virtual memory
345 of the server running them.
346 </para>
347 </listitem>
348 </varlistentry>
349
350 <varlistentry>
351 <term><option>--memory</option></term>
352 <listitem>
353 <para>Parse from memory.</para>
354 </listitem>
355 </varlistentry>
356
357 <varlistentry>
358 <term><option>--noblanks</option></term>
359 <listitem>
360 <para>Drop ignorable blank spaces.</para>
361 </listitem>
362 </varlistentry>
363
364 <varlistentry>
365 <term><option>--nocatalogs</option></term>
366 <listitem>
367 <para>Do not use any catalogs.</para>
368 </listitem>
369 </varlistentry>
370
371 <varlistentry>
372 <term><option>--nocdata</option></term>
373 <listitem>
374 <para>Substitute CDATA section by equivalent text nodes.</para>
375 </listitem>
376 </varlistentry>
377
378 <varlistentry>
379 <term><option>--noent</option></term>
380 <listitem>
381 <para>
382 Substitute entity values for entity references. By default, &xmllint;
383 leaves entity references in place.
384 </para>
385 </listitem>
386 </varlistentry>
387
388 <varlistentry>
389 <term><option>--nonet</option></term>
390 <listitem>
391 <para>
392 Do not use the Internet to fetch <acronym>DTD</acronym>s or entities.
393 </para>
394 </listitem>
395 </varlistentry>
396
397 <varlistentry>
398 <term><option>--noout</option></term>
399 <listitem>
400 <para>
401 Suppress output. By default, &xmllint; outputs the result tree.
402 </para>
403 </listitem>
404 </varlistentry>
405
406 <varlistentry>
407 <term><option>--nowarning</option></term>
408 <listitem>
409 <para>Do not emit warnings from the parser and/or validator.</para>
410 </listitem>
411 </varlistentry>
412
413 <varlistentry>
414 <term><option>--nowrap</option></term>
415 <listitem>
416 <para>Do not output <acronym>HTML</acronym> doc wrapper.</para>
417 </listitem>
418 </varlistentry>
419
420 <varlistentry>
421 <term><option>--noxincludenode</option></term>
422 <listitem>
423 <para>
424 Do XInclude processing but do not generate XInclude start and end nodes.
425 </para>
426 </listitem>
427 </varlistentry>
428
429 <varlistentry>
430 <term><option>--nsclean</option></term>
431 <listitem>
432 <para>Remove redundant namespace declarations.</para>
433 </listitem>
434 </varlistentry>
435
436 <varlistentry>
437 <term><option>--output <replaceable class="option">FILE</replaceable></option></term>
438 <listitem>
439 <para>
440 Define a file path where &xmllint; will save the result of parsing.
441 Usually the programs build a tree and save it
442 on <filename class="devicefile">stdout</filename>, with this option
443 the result <acronym>XML</acronym> instance will be saved onto a file.
444 </para>
445 </listitem>
446 </varlistentry>
447
448 <varlistentry>
449 <term><option>--path "<replaceable class="option">PATH(S)</replaceable>"</option></term>
450 <listitem>
451 <para>
452 Use the (space- or colon-separated) list of filesystem paths specified
453 by <replaceable>PATHS</replaceable> to load <acronym>DTD</acronym>s or
454 entities. Enclose space-separated lists by quotation marks.
455 </para>
456 </listitem>
457 </varlistentry>
458
459 <varlistentry>
460 <term><option>--pattern <replaceable class="option">PATTERNVALUE</replaceable></option></term>
461 <listitem>
462 <para>
463 Used to exercise the pattern recognition engine, which can be used
464 with the reader interface to the parser. It allows to select some
465 nodes in the document based on an XPath (subset) expression. Used
466 for debugging.
467 </para>
468 </listitem>
469 </varlistentry>
470
471 <varlistentry>
472 <term><option>--postvalid</option></term>
473 <listitem>
474 <para>Validate after parsing has completed.</para>
475 </listitem>
476 </varlistentry>
477
478 <varlistentry>
479 <term><option>--push</option></term>
480 <listitem>
481 <para>Use the push mode of the parser.</para>
482 </listitem>
483 </varlistentry>
484
485 <varlistentry>
486 <term><option>--recover</option></term>
487 <listitem>
488 <para>Output any parsable portions of an invalid document.</para>
489 </listitem>
490 </varlistentry>
491
492 <varlistentry>
493 <term><option>--relaxng <replaceable class="option">SCHEMA</replaceable></option></term>
494 <listitem>
495 <para>
496 Use RelaxNG file named <replaceable class="option">SCHEMA</replaceable>
497 for validation.
498 </para>
499 </listitem>
500 </varlistentry>
501
502 <varlistentry>
503 <term><option>--repeat</option></term>
504 <listitem>
505 <para>Repeat 100 times, for timing or profiling.</para>
506 </listitem>
507 </varlistentry>
508
509 <varlistentry>
510 <term><option>--schema <replaceable>SCHEMA</replaceable></option></term>
511 <listitem>
512 <para>
513 Use a W3C <acronym>XML</acronym> Schema file
514 named <replaceable>SCHEMA</replaceable> for validation.
515 </para>
516 </listitem>
517 </varlistentry>
518
519 <varlistentry>
520 <term><option>--shell</option></term>
521 <listitem>
522 <para>
523 Run a navigating shell. Details on available commands in shell mode
524 are below (see <xref linkend="shell"/>).
525 </para>
526 </listitem>
527 </varlistentry>
528
529 <varlistentry>
530 <term><option>--xpath "<replaceable class="option">XPath_expression</replaceable>"</option></term>
531 <listitem>
532 <para>
533 Run an XPath expression given as argument and print the
534 result. In case of a nodeset result, each node in the
535 node set is serialized in full in the output. In case
536 of an empty node set the "XPath set is empty" result
537 will be shown and an error exit code will be returned.
538 </para>
539 </listitem>
540 </varlistentry>
541
542 <varlistentry>
543 <term><option>--stream</option></term>
544 <listitem>
545 <para>
546 Use streaming <acronym>API</acronym> - useful when used in combination
547 with <option>--relaxng</option> or <option>--valid</option> options
548 for validation of files that are too large to be held in memory.
549 </para>
550 </listitem>
551 </varlistentry>
552
553 <varlistentry>
554 <term><option>--testIO</option></term>
555 <listitem>
556 <para>Test user input/output support.</para>
557 </listitem>
558 </varlistentry>
559
560 <varlistentry>
561 <term><option>--timing</option></term>
562 <listitem>
563 <para>
564 Output information about the time it takes &xmllint; to perform the
565 various steps.
566 </para>
567 </listitem>
568 </varlistentry>
569
570 <varlistentry>
571 <term><option>--valid</option></term>
572 <listitem>
573 <para>
574 Determine if the document is a valid instance of the included
575 Document Type Definition (<acronym>DTD</acronym>).
576 A <acronym>DTD</acronym> to be validated against also can be
577 specified at the command line using the <option>--dtdvalid</option>
578 option. By default, &xmllint; also checks to determine if the
579 document is well-formed.
580 </para>
581 </listitem>
582 </varlistentry>
583
584 <varlistentry>
585 <term><option>--version</option></term>
586 <listitem>
587 <para>
588 Display the version of <citerefentry>
589 <refentrytitle>libxml</refentrytitle>
590 <manvolnum>3</manvolnum>
591 </citerefentry> used.
592 </para>
593 </listitem>
594 </varlistentry>
595
596 <varlistentry>
597 <term><option>--walker</option></term>
598 <listitem>
599 <para>
600 Test the walker module, which is a reader interface but for a
601 document tree, instead of using the reader <acronym>API</acronym> on
602 an unparsed document it works on an existing in-memory tree. Used for
603 debugging.
604 </para>
605 </listitem>
606 </varlistentry>
607
608 <varlistentry>
609 <term><option>--xinclude</option></term>
610 <listitem>
611 <para>Do XInclude processing.</para>
612 </listitem>
613 </varlistentry>
614
615 <varlistentry>
616 <term><option>--xmlout</option></term>
617 <listitem>
618 <para>
619 Used in conjunction with <option>--html</option>. Usually
620 when <acronym>HTML</acronym> is parsed the document is saved with
621 the <acronym>HTML</acronym> serializer. But with this option the
622 resulting document is saved with the <acronym>XML</acronym>
623 serializer. This is primarily used to
624 generate <acronym>XHTML</acronym> from <acronym>HTML</acronym> input.
625 </para>
626 </listitem>
627 </varlistentry>
628
629 </variablelist>
630</refsect1>
631
632<refsect1 id="shell">
633 <title>SHELL COMMANDS</title>
634 <para>
635 &xmllint; offers an interactive shell mode invoked with
636 the <option>--shell</option> command. Available commands in shell mode
637 include (in alphabetical order):
638 </para>
639 <variablelist>
640
641 <varlistentry>
642 <term><command>base</command></term>
643 <listitem>
644 <para>Display <acronym>XML</acronym> base of the node.</para>
645 </listitem>
646 </varlistentry>
647
648 <varlistentry>
649 <term><command>bye</command></term>
650 <listitem>
651 <para>Leave the shell.</para>
652 </listitem>
653 </varlistentry>
654
655 <varlistentry>
656 <term><command>cat <replaceable>NODE</replaceable></command></term>
657 <listitem>
658 <para>Display the given node or the current one.</para>
659 </listitem>
660 </varlistentry>
661
662 <varlistentry>
663 <term><command>cd <replaceable>PATH</replaceable></command></term>
664 <listitem>
665 <para>
666 Change the current node to the given path (if unique) or root if no
667 argument is given.
668 </para>
669 </listitem>
670 </varlistentry>
671
672 <varlistentry>
673 <term><command>dir <replaceable>PATH</replaceable></command></term>
674 <listitem>
675 <para>
676 Dumps information about the node (namespace, attributes, content).
677 </para>
678 </listitem>
679 </varlistentry>
680
681 <varlistentry>
682 <term><command>du <replaceable>PATH</replaceable></command></term>
683 <listitem>
684 <para>
685 Show the structure of the subtree under the given path or the current node.
686 </para>
687 </listitem>
688 </varlistentry>
689
690 <varlistentry>
691 <term><command>exit</command></term>
692 <listitem>
693 <para>Leave the shell.</para>
694 </listitem>
695 </varlistentry>
696
697 <varlistentry>
698 <term><command>help</command></term>
699 <listitem>
700 <para>Show this help.</para>
701 </listitem>
702 </varlistentry>
703
704 <varlistentry>
705 <term><command>free</command></term>
706 <listitem>
707 <para>Display memory usage.</para>
708 </listitem>
709 </varlistentry>
710
711 <varlistentry>
712 <term><command>load <replaceable>FILENAME</replaceable></command></term>
713 <listitem>
714 <para>Load a new document with the given filename.</para>
715 </listitem>
716 </varlistentry>
717
718 <varlistentry>
719 <term><command>ls <replaceable>PATH</replaceable></command></term>
720 <listitem>
721 <para>List contents of the given path or the current directory.</para>
722 </listitem>
723 </varlistentry>
724
725 <varlistentry>
726 <term><command>pwd</command></term>
727 <listitem>
728 <para>Display the path to the current node.</para>
729 </listitem>
730 </varlistentry>
731
732 <varlistentry>
733 <term><command>quit</command></term>
734 <listitem>
735 <para>Leave the shell.</para>
736 </listitem>
737 </varlistentry>
738
739 <varlistentry>
740 <term><command>save <replaceable>FILENAME</replaceable></command></term>
741 <listitem>
742 <para>
743 Save the current document to the given filename or to the original name.
744 </para>
745 </listitem>
746 </varlistentry>
747
748 <varlistentry>
749 <term><option>validate</option></term>
750 <listitem>
751 <para>Check the document for errors.</para>
752 </listitem>
753 </varlistentry>
754
755 <varlistentry>
756 <term><command>write <replaceable>FILENAME</replaceable></command></term>
757 <listitem>
758 <para>Write the current node to the given filename.</para>
759 </listitem>
760 </varlistentry>
761
762 </variablelist>
763</refsect1>
764
765<refsect1 id="environment">
766 <title>ENVIRONMENT</title>
767 <variablelist>
768
769 <varlistentry>
770 <term><envar>SGML_CATALOG_FILES</envar></term>
771 <listitem>
772 <para><acronym>SGML</acronym> catalog behavior can be changed by redirecting
773 queries to the user's own set of catalogs. This can be done by setting
774 the <envar>SGML_CATALOG_FILES</envar> environment variable to a list
775 of catalogs. An empty one should deactivate loading the
776 default <filename>/etc/sgml/catalog</filename> catalog.
777 </para>
778 </listitem>
779 </varlistentry>
780
781 <varlistentry>
782 <term><envar>XML_CATALOG_FILES</envar></term>
783 <listitem>
784 <para><acronym>XML</acronym> catalog behavior can be changed by redirecting
785 queries to the user's own set of catalogs. This can be done by setting
786 the <envar>XML_CATALOG_FILES</envar> environment variable to a space-separated
787 list of catalogs. Use percent-encoding to escape spaces or other characters.
788 An empty variable should deactivate loading the default <filename>/etc/xml/catalog</filename> catalog.
789 </para>
790 </listitem>
791 </varlistentry>
792
793 <varlistentry>
794 <term><envar>XML_DEBUG_CATALOG</envar></term>
795 <listitem>
796 <para>Setting the environment variable <envar>XML_DEBUG_CATALOG</envar>
797 to <parameter>non-zero</parameter> using the <command>export</command>
798 command outputs debugging information related to catalog operations.
799 </para>
800 </listitem>
801 </varlistentry>
802
803 <varlistentry>
804 <term><envar>XMLLINT_INDENT</envar></term>
805 <listitem>
806 <para>Setting the environment variable <envar>XMLLINT_INDENT</envar>
807 controls the indentation. The default value is two spaces &quot; &quot;.
808 </para>
809 </listitem>
810 </varlistentry>
811
812 </variablelist>
813</refsect1>
814
815<refsect1 id="diagnostics">
816 <title>DIAGNOSTICS</title>
817 <para>
818 &xmllint; return codes provide information that can be used when
819 calling it from scripts.
820 </para>
821 <!-- better use segmentedlist element later,
822 which is currently only supported in snapshots -->
823 <variablelist>
824
825 <varlistentry>
826 <term><errorcode>0</errorcode></term>
827 <listitem>
828 <para>No error</para>
829 </listitem>
830 </varlistentry>
831
832 <varlistentry>
833 <term><errorcode>1</errorcode></term>
834 <listitem>
835 <para>Unclassified</para>
836 </listitem>
837 </varlistentry>
838
839 <varlistentry>
840 <term><errorcode>2</errorcode></term>
841 <listitem>
842 <para>Error in <acronym>DTD</acronym></para>
843 </listitem>
844 </varlistentry>
845
846 <varlistentry>
847 <term><errorcode>3</errorcode></term>
848 <listitem>
849 <para>Validation error</para>
850 </listitem>
851 </varlistentry>
852
853 <varlistentry>
854 <term><errorcode>4</errorcode></term>
855 <listitem>
856 <para>Validation error</para>
857 </listitem>
858 </varlistentry>
859
860 <varlistentry>
861 <term><errorcode>5</errorcode></term>
862 <listitem>
863 <para>Error in schema compilation</para>
864 </listitem>
865 </varlistentry>
866
867 <varlistentry>
868 <term><errorcode>6</errorcode></term>
869 <listitem>
870 <para>Error writing output</para>
871 </listitem>
872 </varlistentry>
873
874 <varlistentry>
875 <term><errorcode>7</errorcode></term>
876 <listitem>
877 <para>
878 Error in pattern (generated when <option>--pattern</option> option is used)
879 </para>
880 </listitem>
881 </varlistentry>
882
883 <varlistentry>
884 <term><errorcode>8</errorcode></term>
885 <listitem>
886 <para>
887 Error in Reader registration (generated
888 when <option>--chkregister</option> option is used)
889 </para>
890 </listitem>
891 </varlistentry>
892
893 <varlistentry>
894 <term><errorcode>9</errorcode></term>
895 <listitem>
896 <para>Out of memory error</para>
897 </listitem>
898 </varlistentry>
899
900 <varlistentry>
901 <term><errorcode>10</errorcode></term>
902 <listitem>
903 <para>XPath evaluation error</para>
904 </listitem>
905 </varlistentry>
906
907 </variablelist>
908</refsect1>
909
910<refsect1 id="seealso">
911 <title>SEE ALSO</title>
912 <para><citerefentry>
913 <refentrytitle>libxml</refentrytitle>
914 <manvolnum>3</manvolnum>
915 </citerefentry>
916 </para>
917 <para>
918 More information can be found at
919 <itemizedlist>
920 <listitem>
921 <para><citerefentry>
922 <refentrytitle>libxml</refentrytitle>
923 <manvolnum>3</manvolnum>
924 </citerefentry> web page <ulink url="https://gitlab.gnome.org/GNOME/libxml2"/>
925 </para>
926 </listitem>
927 </itemizedlist>
928 </para>
929</refsect1>
930
931</refentry>
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