Highcharts Encoding Tests

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>
<script src="http://code.highcharts.com/modules/exporting.js"></script>

<div id="container" style="min-width: 310px; height: 400px; margin: 0 auto"></div>

JavaScript

$(function () {
        var chart = $('#container').highcharts({
            chart: {
                type: 'bar'
            },
            title: {
                text: 'Highcharts апапапап Text Encoding Tests'
            },            
            xAxis: {
                categories: [
                    '< not specified >',
                    'dogs < 6kg and cats > 4kg',
                    '&lt; not specified>', 
                    '&', 
                    '&amp;', 
                    '\u003c \u0026 \u2244',
                    '& lt;'                    
                ],                
            },
            series: [{
                data: [
                    { name: "&lt; not specified> is treated as a tag and not rendered at all"},
                    { name: "ditto the bits between the angle brackets in dogs &lt; 6kg and cats > 4kg" },
                    { name: "encoding the left angle bracket encodes the text" },
                    { name: "an ampersand doesn't need to be encoded" },
                    { name: "the html entity &amp; is rendered literally" },
                    { name: "Encoding characters like \\u003c, \\u26 or \\u2244 is fine" },
                    { name: "I can't find any way to write out & lt; (or & gt;) without putting a space amongst it" }
                    ]
            }],
            yAxis: {
                min: 0,               
                labels: {
                    overflow: 'justify'
                },
                title: { enabled: false }
            },            
            plotOptions: {
                bar: {
                    dataLabels: {
                        crop: false,
                        enabled: true,
                        format: '{point.name}'
                    }
                }
            },
            legend: {
                enabled: false
            }
        }).highcharts();
    
    chart.setTitle(null, { text: "dogs < 6kg and cats >...