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lib cleanup
[SVN r15693]
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doc/terms/named_external.html
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doc/terms/named_external.html
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<html>
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<head>
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<title>Named External Argument</title>
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<link rel="stylesheet" type="text/css" href="../styles.css">
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</head>
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<body>
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<h4>Named External Argument</h4>
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<div>
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A <i>named external argument</i> is an argument to a macro that is <i>included</i>.
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There is no way to pass arguments to a file directly, so they must be passed to files in the form of macros with known names that are defined by the user.
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Every time that the library uses this idiom, the file that is included automatically undefines the macro in order to better simulate <i>normal</i> parameters.
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</div>
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</body>
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</html>
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