Using the latest jqGrid 3.8.1 and jQuery 1.4.2 in IE7, and latest Firefox, this happens in both.

I have the header label wrapping correctly, and I use jQuery to force the empty cells to  

$(“#list td:empty”).html(” “);

There seems to be an empty row under the headers, it wasn't so bad at first, but when I changed the empty cells to a  

It looks like there is a full empty row.

Sure I can't select on it, but I'd like to get rid of it.