<!DOCTYPE html>
<style>
    span { display:inline-block; width:1em; }
</style>
<p>Test changing a spanner that precedes column content to a regular block.</p>
<p>You should see the word 'PASS' below, with large letter spacing:</p>
<span>P</span><span>A</span><span>S</span><span>S</span><br>