<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Bug 1069519 - Ruby line height calculation</title> <link rel="stylesheet" href="common.css"> <script type="text/javascript" src="utils.js"></script> </head> <body style="line-height: 1"> <div id="base"> <span id="inline">base</span> <span id="text" style="font-size: 50%; color: transparent">text</span> </div> <script> // Simulate the behavior of ruby layout. var base = document.getElementById('base'); makeBSizeMatchInlineBox(base, document.getElementById('inline')); base.style.paddingTop = getBSize(document.getElementById('text')); </script> </body> </html>