The subscript digits appear to be missing from the Verdana font (but are present in other link Times Roman, Arial, Lucida console). Is this a bug or a feature? Should I submit a bug report? Apart from trial and error, is there a way I can find out which Unicode symbols are implemented for each font?...

I can sucessfully insert and display Uicode characeter 2080 to display a subscript zero and this inserts this into the .svg file <tspan sodipodi:role="line" id="tspan2995" x="267" y="360.36218">Subscript zero â‚€</tspan></text> and this displays OK on all brow...