R help - Jun 2011 - the c implementation of loess

Hi All,

I am trying to trace the origin of the current loess implementation in 
R.  The reference mentions that Prof Ripley based it on the 1998 version 
of dloess.  When I look at dloess in http://www.netlib.org/a, the file 
"changes" mentions dloess was made available in 1992 and that a memory
leak was plugged in 1996 with no mention of 1998.  Is there another 
version available?

Thanks,
Saurav