User blog comment:Leopardclawxx/HTML5 - This REALLY IS Important/@comment-4783947-20120725225252/@comment-3440678-20120726085754

It shouldn't really affect sigs that much as long as you used Leopardclaw  as an example. If you have big tags then you'd just substite the bigs for adding a new line like this: TEXT like that. As far as I'm aware, and are still fine.