appendices/migration70/changed-functions.xml
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</listitem>
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<listitem>
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<simpara>
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<function>xml_set_object</function> now requires to manually unset the
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$parser when finished, to avoid memory leaks.
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<function>xml_parser_free</function> is no longer sufficient to free the
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parser resource, if it references an object and this object references that
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parser resource. In this case it is necessary to additionally unset the $parser.
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</simpara>
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</listitem>
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</itemizedlist>
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