gistfile1.js

                    if(prop == 'marginRight' && out != '0px' && !supports.RightMargin){
/*
                        selection = window.getSelection();
                        ranges = [];
                        for (i = 0, len = selection.rangeCount; i < len; i++) {
                            ranges.push(selection.getRangeAt(i).cloneRange());
                        }
*/
/*
                        var selection = window.getSelection(),
                            range = selection.rangeCount && selection.getRangeAt(0);
                        if (range) {
                            range = range.clone();
                        }
*/
                        

                        display = this.getStyle('display');
                        el.style.display = 'inline-block';
                        out = view.getComputedStyle(el, '').marginRight;
                        el.style.display = display;

/*
                        if (range) {
                            selection.removeAllRanges();
                            selection.addRange(range);
                        }
*/
/*
                        selection.removeAllRanges();
                        for(i = 0; i < len; i++) {
                            selection.addRange(ranges[i]);
                        }
*/
                    }