modification.xml

<?xml version="1.0"?>
<!DOCTYPE modification SYSTEM "http://www.simplemachines.org/xml/modification">
<modification xmlns="http://www.simplemachines.org/xml/modification">

    <id>digger:mathjax</id>
    <name>MathJax</name>
    <version>1.4.3</version>
    <type>modification</type>

    <file name="$themedir/Post.template.php">
        <operation>
            <search position="after"><![CDATA[				if (typeof(smf_codeFix) != \'undefined\')]]></search>
            <add><![CDATA[
				var math = document.getElementById(\'preview_body\');
				MathJax.Hub.Queue([\'Typeset\', MathJax.Hub, math]);

]]></add>
        </operation>
    </file>

    <file name="$themedir/scripts/topic.js">
        <operation>
            <search position="after"><![CDATA[		// Show this message as 'modified on x by y'.]]></search>
            <add><![CDATA[		// Render MathJax for this message
		var math = document.getElementById('msg_' + this.sCurMessageId.substr(4));
		MathJax.Hub.Queue(['Typeset', MathJax.Hub, math]);

]]></add>
        </operation>
    </file>

</modification>