Text Gadget HTML content corrupted when the gadget is maximized

Steps to reproduce

1. Create a Text Gadget with the following HTML content:

   <TABLE BORDER="1">
     <TR> <TH> Test1 </TH> <TH> Test2 </TH> <TH> Test3 </TH> <TH> Test4 </TH> <TH> Test5 </TH> <TH> Test6 </TH></TR>
   </TABLE>
   

2. Maximize the gadget and all the space in the HTML content will be converted to '+'