reference/exec/functions/escapeshellarg.xml
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<link linkend="language.operators.execution">backtick operator</link>.
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</para>
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<para>
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On Windows, <function>escapeshellarg</function> instead removes percent
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signs, replaces double quotes with spaces and adds double quotes around the
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string.
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On Windows, <function>escapeshellarg</function> instead replaces percent
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signs, exclamation marks (delayed variable substitution) and double quotes
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with spaces and adds double quotes around the string.
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Furthermore, each streak of consecutive backslashes (<literal>\</literal>)
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is escaped by one additional backslash.
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</para>
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</refsect1>
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