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https://github.com/sigmasternchen/php-doc-en
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@198354 c90b9560-bf6c-de11-be94-00142212c4b1
200 lines
6.8 KiB
XML
200 lines
6.8 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.26 $ -->
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<!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
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<refentry id="function.setlocale">
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<refnamediv>
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<refname>setlocale</refname>
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<refpurpose>Set locale information</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>string</type><methodname>setlocale</methodname>
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<methodparam><type>int</type><parameter>category</parameter></methodparam>
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<methodparam><type>string</type><parameter>locale</parameter></methodparam>
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<methodparam choice="opt"><type>string</type><parameter>...</parameter></methodparam>
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</methodsynopsis>
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<methodsynopsis>
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<type>string</type><methodname>setlocale</methodname>
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<methodparam><type>int</type><parameter>category</parameter></methodparam>
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<methodparam><type>array</type><parameter>locale</parameter></methodparam>
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</methodsynopsis>
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<para>
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<parameter>category</parameter> is a named constant (or string)
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specifying the category of the functions affected by the locale
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setting:
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<itemizedlist>
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<listitem>
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<simpara>
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LC_ALL for all of the below
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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LC_COLLATE for string comparison, see
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<function>strcoll</function>
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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LC_CTYPE for character classification and conversion, for
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example <function>strtoupper</function>
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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LC_MONETARY for <function>localeconv</function>
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</simpara>
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</listitem>
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<listitem>
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<simpara> LC_NUMERIC for decimal separator (See also
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<function>localeconv</function>)
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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LC_TIME for date and time formatting with
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<function>strftime</function>
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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LC_MESSAGES for system responses (available if PHP was compiled with
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<literal>libintl</literal>)
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</simpara>
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</listitem>
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</itemizedlist>
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</para>
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<note>
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<simpara>
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As of PHP 4.2.0, passing <parameter>category</parameter> as a string is
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deprecated, use the above constants instead. Passing them as a string
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(within quotes) will result in a warning message.
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</simpara>
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</note>
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<para>
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If <parameter>locale</parameter> is &null; or the empty string
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<literal>""</literal>, the locale names will be set from the
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values of environment variables with the same names as the above
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categories, or from "LANG".
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</para>
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<para>
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If <parameter>locale</parameter> is <literal>"0"</literal>,
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the locale setting is not affected, only the current setting is returned.
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</para>
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<para>
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If <parameter>locale</parameter> is an array or followed by additional
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parameters then each array element or parameter is tried to be set as
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new locale until success. This is useful if a locale is known under
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different names on different systems or for providing a fallback
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for a possibly not available locale.
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</para>
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<note>
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<simpara>
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Passing multiple locales is not available before PHP 4.3.0
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</simpara>
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</note>
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<para>
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Setlocale returns the new current locale, or &false; if the locale
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functionality is not implemented on your platform, the specified
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locale does not exist or the category name is invalid.
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An invalid category name also causes a warning message. Category/locale
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names can be found in <ulink url="&url.rfc;1766">RFC 1766</ulink>
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and <ulink url="&url.iso-639;">ISO 639</ulink>.
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Different systems have different naming schemes for locales.
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</para>
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<note>
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<para>
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The return value of <function>setlocale</function> depends
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on the system that PHP is running. It returns exactly
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what the system setlocale function returns.
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</para>
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</note>
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<warning>
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<para>
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The locale information is maintained per process, not per
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thread. If you are running PHP on a multithreaded server
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api like IIS or Apache on Windows you may experience
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sudden changes of locale settings while a script is
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running although the script itself never called <function>setlocale</function>
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itself. This happens due to other scripts running in different
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threads of the same process at the same time changing the
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processwide locale using <function>setlocale</function>.
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</para>
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</warning>
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<tip>
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<para>
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Windows users will find useful information about
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<parameter>locale</parameter> strings at Microsoft's
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<acronym>MSDN</acronym>website. Supported language strings can be found
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at <ulink url="&url.setlocale.lang.win32;">&url.setlocale.lang.win32;</ulink> and supported
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country/region strings at <ulink url="&url.setlocale.country.win32;">
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&url.setlocale.country.win32;</ulink>. Windows systems support the three letter codes for
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country/region specified by <literal>ISO 3166-Alpha-3</literal>, which
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can be found at this <ulink url="&url.iso-3166-3;">Unicode website
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</ulink>.
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</para>
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</tip>
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<para>
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<example>
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<title><function>setlocale</function> Examples</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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/* Set locale to Dutch */
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setlocale(LC_ALL, 'nl_NL');
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/* Output: vrijdag 22 december 1978 */
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echo strftime("%A %e %B %Y", mktime(0, 0, 0, 12, 22, 1978));
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/* try different possible locale names for german as of PHP 4.3.0 */
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$loc_de = setlocale(LC_ALL, 'de_DE@euro', 'de_DE', 'de', 'ge');
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echo "Preferred locale for german on this system is '$loc_de'";
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?>
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]]>
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</programlisting>
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</example>
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</para>
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<para>
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<example>
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<title><function>setlocale</function> Examples for Windows</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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/* Set locale to Dutch */
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setlocale(LC_ALL, 'nld_nld');
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/* Output: vrijdag 22 december 1978 */
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echo strftime("%A %d %B %Y", mktime(0, 0, 0, 12, 22, 1978));
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/* try different possible locale names for german as of PHP 4.3.0 */
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$loc_de = setlocale(LC_ALL, 'de_DE@euro', 'de_DE', 'deu_deu');
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echo "Preferred locale for german on this system is '$loc_de'";
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?>
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]]>
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</programlisting>
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</example>
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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:"../../../../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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