$('.post')
        .live('mouseup', function(e) {
            var text = "";

            if (window.getSelection) {
                text = window.getSelection()
                    .toString();

            } else if (document.selection && document.selection.type != "Control") {
                text = document.selection.createRange()
                    .text;
            }
            text = text + '';

            if (!text) {
                selectednum = 0;
                lastselected = '';
                return;
            }
            lastselected = text;
            selectednum = num;
    //↓↓↓↓↓↓
            lastselected = '>' + lastselected.split("\n")
                .join("\n>");
})

$('.postbtn-reply-href')
        .live('click', function() {
            var num = $(this)
                .attr('name');
        //↓↓↓↓↓↓
            var str = '>>' + num + '\n';

            if (selectednum == num) {
        //↓↓↓↓↓↓
                str += lastselected + '\n';
                selectednum = 0;
            }

            if (Store.get('old.append_postform', false)) {
                if (appendPostForm(num)) insert(str);

            } else {
                insert(str);
            }

            return false;
        });
});