Fix clobbered commentary that has been in this file since its initial commit back in 1994 (!).  The revised form of the commentary has been taken from a modern version of TkInit.c that was found with google search for <tkmain.c "Commands will come from standard input">.
Fix clobbered commentary that has been in this file since its initial
commit back in 1994 (!).  The revised form of the commentary has been
taken from a modern version of TkInit.c that was found with
google search for <tkmain.c "Commands will come from standard input">.


svn path=/trunk/; revision=11326

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