D example 20 now produces same results as the C example (wrong color range). Some minor syntax changes as well. Improved loading of pgm file.
D example 20 now produces same results as the C example (wrong color range).
Some minor syntax changes as well.
Improved loading of pgm file.

svn path=/trunk/; revision=10300

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