showdown.subParser('unhashHTMLSpans', function (text, options, globals) {
    'use strict';
    text = globals.converter._dispatch('unhashHTMLSpans.before', text, options, globals);

    for (var i = 0; i < globals.gHtmlSpans.length; ++i) {
        var repText = globals.gHtmlSpans[i],
            // limiter to prevent infinite loop (assume 10 as limit for recurse)
            limit = 0;

        while (/¨C(\d+)C/.test(repText)) {
            var num = RegExp.$1;
            repText = repText.replace('¨C' + num + 'C', globals.gHtmlSpans[num]);
            if (limit === 10000) {
                console.error('maximum nesting of 10000 spans reached!!!');
                break;
            }
            ++limit;
        }
        text = text.replace('¨C' + i + 'C', repText);
    }

    text = globals.converter._dispatch('unhashHTMLSpans.after', text, options, globals);
    return text;
});