<!DOCTYPE html>
<style>
    .test {
        white-space: pre;
        tab-size: 8; /* the initial value, but since we're measuring against it, we might as well be sure */
        font-family: monospace; /* because the ch unit is based on the size of the 0 character,
                             and we want to measure space characters
                             so they need to be the same size. */
        letter-spacing: 2px;
        font-size: 13px;
        word-spacing: 10px;
    }
    span {
        dis