<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Bug 1099807 - Intra-level whitespace pairing</title> <link rel="stylesheet" href="common.css"> <style> body { font-family: monospace; } .container { border: 1px solid blue; margin: 20px; } </style> <style id="style"></style> </head> <body> <span id="ref1">12345</span> <span id="ref2">12345 67890</span> <div class="container"><ruby><rb>12345</rb> <rb>67890</rb><rt>09876</rt><rt>54321</rt></ruby></div> <div class="container"><ruby><rb>12345</rb><rb>67890</rb><rt>09876</rt> <rt>54321</rt></ruby></div> <div class="container"><ruby><rb>12345</rb> <rb>67890</rb><rt>09876</rt> <rt>54321</rt></ruby></div> <script type="text/javascript"> var ref1 = document.getElementById('ref1'); var ref2 = document.getElementById('ref2'); var style = document.getElementById('style'); var width1 = ref1.getBoundingClientRect().width + 'px'; var width2 = ref2.getBoundingClientRect().width + 'px'; // It changes the width of the containers to test incremental // layout with intra-level whitespace columns being pushed and // pulled up across a line-break. style.textContent = '.container { width: ' + width1 + '; }'; document.body.offsetHeight; // force reflow style.textContent = '.container { width: ' + width2 + '; }'; document.body.offsetHeight; // force reflow </script> </body> </html>