| <!DOCTYPE html> | |
| <title>Fallback to a whitespace-only string should not crash</title> | |
| <link rel="author" title="Steinar H. Gunderson" href="mailto:sesse@chromium.org"> | |
| <link rel="help" href="https://crbug.com/1476811"> | |
| <style> | |
| #t1 {--a:var(--b,var(--c,) );} | |
| </style> | |
| <div id="t1">Test passes if it does not crash.</div> |