No the button refuses to appear, let alone function in any manner in side any [zen-row] of any configuration.
Tried on three other sites this morning and it doesn't work on them either.
Weird!
-- edit --
Wrong
Found a site that will make something happen
{zen-btn}Begin Now!|http://www.google.com{/zen-btn} appears on a site as html ... {zen-btn}Begin Now! http or as .... //www.google.com{/zen-btn}
Paul don't fuss now as their is no rush
Heaps to do over the weekend as you will as well