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git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@334652 c90b9560-bf6c-de11-be94-00142212c4b1
213 lines
5.4 KiB
XML
213 lines
5.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: e41aab5ecacf449e51179886c17f1d41735b0234 Maintainer: andresdzphp Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.get-defined-constants" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>get_defined_constants</refname>
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<refpurpose>Devuelve un array asociativo con los nombres de todas las constantes y sus valores</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>array</type><methodname>get_defined_constants</methodname>
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<methodparam choice="opt"><type>bool</type><parameter>categorize</parameter><initializer>false</initializer></methodparam>
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</methodsynopsis>
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<para>
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Devuelve los nombres y valores de todas las constantes definidas actualmente.
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Esto incluye las creadas por las extensiones, así como las creadas con
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la función <function>define</function>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>categorize</parameter></term>
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<listitem>
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<para>
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Provoca que la función retorne un array multi-dimensional
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con categorias en las claves de la primera dimensión y constantes
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y sus valores en la segunda dimensión.
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<informalexample>
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<programlisting role="php">
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<![CDATA[
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<?php
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define("MI_CONSTANTE", 1);
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print_r(get_defined_constants(true));
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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Array
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(
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[Core] => Array
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(
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[E_ERROR] => 1
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[E_WARNING] => 2
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[E_PARSE] => 4
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[E_NOTICE] => 8
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[E_CORE_ERROR] => 16
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[E_CORE_WARNING] => 32
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[E_COMPILE_ERROR] => 64
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[E_COMPILE_WARNING] => 128
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[E_USER_ERROR] => 256
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[E_USER_WARNING] => 512
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[E_USER_NOTICE] => 1024
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[E_ALL] => 2047
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[TRUE] => 1
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)
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[pcre] => Array
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(
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[PREG_PATTERN_ORDER] => 1
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[PREG_SET_ORDER] => 2
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[PREG_OFFSET_CAPTURE] => 256
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[PREG_SPLIT_NO_EMPTY] => 1
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[PREG_SPLIT_DELIM_CAPTURE] => 2
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[PREG_SPLIT_OFFSET_CAPTURE] => 4
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[PREG_GREP_INVERT] => 1
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)
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[user] => Array
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(
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[MI_CONSTANTE] => 1
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)
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)
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]]>
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</screen>
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</informalexample>
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Devuelve un array de arrays nombre_constante => valor_constante, opcionalmente
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agrupados por nombre de extensión registrando la constante.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<para>
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>5.3.1</entry>
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<entry>
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Sólo para Windows: las constantes fundamentales se clasifican en <literal>Core</literal>,
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previamente <literal>mhash</literal>.
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</entry>
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</row>
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<row>
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<entry>5.3.0</entry>
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<entry>
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Constantes fundamentales se clasifican en <literal>Core</literal>,
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antes <literal>internal</literal>. En Windows, las constantes fundamentales se clasifican en <literal>mhash</literal>.
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</entry>
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</row>
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<row>
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<entry>5.2.11</entry>
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<entry>
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El parámetro <parameter>categorize</parameter> ahora funciona correctamente.
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Anteriormente, el parámetro <parameter>categorize</parameter> era interpretado
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como <literal>!is_null($categorize)</literal>, por lo que cualquier valor distinto de &null;
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fuerza a las constantes a ser clasificadas.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Ejemplo de <function>get_defined_constants</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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print_r(get_defined_constants());
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?>
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]]>
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</programlisting>
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&example.outputs.similar;
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<screen>
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<![CDATA[
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Array
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(
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[E_ERROR] => 1
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[E_WARNING] => 2
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[E_PARSE] => 4
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[E_NOTICE] => 8
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[E_CORE_ERROR] => 16
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[E_CORE_WARNING] => 32
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[E_COMPILE_ERROR] => 64
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[E_COMPILE_WARNING] => 128
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[E_USER_ERROR] => 256
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[E_USER_WARNING] => 512
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[E_USER_NOTICE] => 1024
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[E_ALL] => 2047
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[TRUE] => 1
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)
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]]>
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</screen>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>defined</function></member>
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<member><function>get_loaded_extensions</function></member>
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<member><function>get_defined_functions</function></member>
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<member><function>get_defined_vars</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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