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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
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<meta>
<topic id="text/sbasic/shared/compatible">
<title id="tit" localize="false" xml-lang="en-US">Option Compatible</title>
<filename>/text/sbasic/shared/compatible.xhp</filename>
</topic>
</meta>
<body>
<bookmark branch="index" localize="false" id="N8803">
<bookmark_value>Option Compatible</bookmark_value>
</bookmark>
<section id="optioncompatiblestatement">
<h1 id="N0104"><variable id="compatiblestatement"><link href="text/sbasic/shared/compatible.xhp" name="compatible">Option Compatible Statement</link></variable></h1>
<paragraph role="paragraph" id="N0106"><literal>Option Compatible</literal> extends %PRODUCTNAME Basic compiler and runtime, allowing supplemental language constructs to Basic.</paragraph>
</section>
<embed href="text/sbasic/shared/00000003.xhp#beforeexecutable"/>
<paragraph role="paragraph" id="N0107">This option may affect or assist in the following situations:</paragraph>
<list type="unordered">
<listitem><paragraph role="listitem" id="N0108">Allow special characters as identifiers. all characters that are defined as
letter in the Latin-1 (ISO 8859-1) character set, are accepted
as part of identifiers.</paragraph></listitem>
<listitem><paragraph role="listitem" id="N0109">Create <link href="text/sbasic/shared/03040000.xhp#addvbaconstants" name="addvbaconstants">VBA constants including non-printable characters</link>.</paragraph></listitem>
<listitem><paragraph role="listitem" id="N0110">Allow the <literal>New</literal> operator to be optional in <literal>Dim</literal> statements.</paragraph></listitem>
<listitem><paragraph role="listitem" id="N0112">Allow default values for optional parameters in procedures.</paragraph></listitem>
<listitem><paragraph role="listitem" id="N0113">Use named arguments when multiple optional parameters exist.</paragraph></listitem>
<listitem><paragraph role="listitem" id="N0114">Preload of %PRODUCTNAME Basic libraries</paragraph></listitem>
</list>
<note id="N0115"><literal>Option Compatible</literal> is required when coding class modules.</note>
<embed href="text/sbasic/shared/00000003.xhp#functsyntax"/>
<paragraph role="code" localize="false" id="N0117">Option Compatible</paragraph>
<embed href="text/sbasic/shared/00000003.xhp#functexample"/>
<h3 id="hd_id231561639199292">Special characters as identifiers</h3>
<bascode>
<paragraph role="bascode" id="par_id661561636654077" localize="false">Option Compatible</paragraph>
<paragraph role="bascode" id="par_id641581846957447">' With this option the code works, otherwise it causes a compiling error</paragraph>
<paragraph role="bascode" id="par_id921561636641311" localize="false">Sub Main</paragraph>
<paragraph role="bascode" id="par_id631561636632573" localize="false"> ä = 10</paragraph>
<paragraph role="bascode" id="par_id101561636625260" localize="false"> print ä</paragraph>
<paragraph role="bascode" id="par_id21561636616652" localize="false">End Sub</paragraph>
</bascode>
<tip id="par_id381561650119146">Statement <literal>Option VBAsupport 1</literal> implies <literal>Option Compatible</literal> statement automatically.</tip>
<section id="relatedtopics">
<embed href="text/sbasic/shared/03090407.xhp#remstatement"/>
<embed href="text/sbasic/shared/compatibilitymode.xhp#compatibilitymodeh1"/>
<embed href="text/sbasic/shared/03103200.xhp#optionbasestatement"/>
<embed href="text/sbasic/shared/03103300.xhp#explicitstatement"/>
<embed href="text/sbasic/shared/03103350.xhp#vbasupportstatement"/>
<embed href="text/sbasic/shared/classmodule.xhp#classmodulestatement"/>
<paragraph role="paragraph" id="N0131">Variables scope modification in <link href="text/sbasic/shared/01020300.xhp">Using Procedures and Functions</link> with <literal>CompatibilityMode()</literal> function.</paragraph>
<paragraph role="paragraph" id="N0129">Refer to <link href="text/sbasic/python/python_platform.xhp">Identifying the Operating System</link> and <link href="text/sbasic/python/python_session.xhp">Getting Session Information</link> for class module examples, or <link href="text/sbasic/guide/access2base.xhp">Access2Base shared Basic library</link> for other class examples making use of <literal>Option Compatible</literal> compiler mode.</paragraph>
</section>
</body>
</helpdocument>
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