wrap tweak plus some commentary changes in anticipation of planned changes to this user-friendly interface to the raw plplotc interface.
wrap tweak plus some commentary changes in anticipation of planned changes
to this user-friendly interface to the raw plplotc interface.

svn path=/trunk/; revision=3734

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