Tweak doxygen documentation of the pllegend procedure.  As far as I know, this finishes the doxygen documentation of this procedure and everything else in pllegend.c except for plcolorbar where more changes are expected.
Tweak doxygen documentation of the pllegend procedure.  As far as I
know, this finishes the doxygen documentation of this procedure and
everything else in pllegend.c except for plcolorbar where more changes
are expected.


svn path=/trunk/; revision=11634

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