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Fix the programlisting markup
No idea if that's necessary, but that's how it's done everywhere else... git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@332867 c90b9560-bf6c-de11-be94-00142212c4b1
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@ -2056,13 +2056,14 @@
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more readable (assume the <link
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linkend="reference.pcre.pattern.modifiers">PCRE_EXTENDED</link>
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option) and to divide it into three parts for ease of discussion:
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</para>
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<informalexample>
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<programlisting>
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<![CDATA[
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( \( )? [^()]+ (?(1) \) )
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]]>
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</programlisting>
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</para>
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</informalexample>
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<para>
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The first part matches an optional opening parenthesis, and
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if that character is present, sets it as the first captured
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