<html> <head> <title>Bug 387876 Reference Case 1</title> </head> <body> The yellow box should say 'ab'. <div style="-moz-column-width: 30px; -moz-column-gap: 0px; height: 0px; "> <div id="weirdDiv" style="background: yellow;">ab</div> z </div> </body> </html>