Some sample strings :
New >/New > (lines 11267 & 11273)
O&verlay/O&verlay (lines 11610 & 11613)
Outer &margin/Outer &margin (lines 11798 & 11801)
&Defaults/&ampefaults (lines 641 & 1232)

and... What's the best way to merge the 2 po files ?