Don't install plpr.1 and plm2gif.1 man pages unless associated scripts are installed.
Don't install plpr.1 and plm2gif.1 man pages unless associated scripts are installed.


svn path=/trunk/; revision=11129

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