The Tor Browser: diff layout/reftests/text-decoration/underline-button-2.html

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/reftests/text-decoration/underline-button-2.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,8 @@
     1.4 +<!doctype html>
     1.5 +<html>
     1.6 +<body>
     1.7 +  <span style="text-decoration: underline; font: 16px sans-serif">
     1.8 +    Some<button style="display: inline; color: black; font: 16px sans-serif">text</button>and a button
     1.9 +  </span>
    1.10 +</body>
    1.11 +</html>

The Tor Browser / file diff

diff: layout/reftests/text-decoration/underline-button-2.html

layout/reftests/text-decoration/underline-button-2.html