Table valign -  	Fix for Paul's concerns

^something -> cell will be valigned
^^something -> ^^ considered to be the start of superscript
^^^something -> cell will be valigned, next 2 ^ considered to be start of superscript.
^&amp;#94;something -> cell will be valigned, ^ will be the first character.

Generally speaking: &#94; should be used in table cells for a literal ^.

Same rules as above are valid for ,