Added sound (i.e. non-M$) definition for %html-ext%.
Added sound (i.e. non-M$) definition for %html-ext%.

svn path=/trunk/; revision=2172

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot