score:13

Accepted answer

in plotoption add usehtml: true,

forked fiddle

    plotoptions: {
    pie: {
        allowpointselect: true,
        cursor: 'pointer',
        datalabels: {
            enabled: true,
            y: -5, //optional
            format: '\u202b' + '{point.name}', // \u202b is rle char for rtl support
            style: {
                fontsize: '15px',
                fontfamily: 'tahoma',
                textshadow: false, //bug fixed ie9 and edge
            },
            usehtml: true,
        },
        //showinlegend: true,
    },
},

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