Better late than never -- I received a grant from Project Athena, MIT's original courseware effort, and found at the end that they hadn't thought much about distribution of the courseware.  Instead, they had gotten wrapped up with X and various Unix tools, and other useful, but not strictly educational efforts.
> From: B.K. DeLong [mailto:bkdelong@pobox.com]
> Sent: Tuesday, October 01, 2002 9:06 AM
> >Looks useful. Hopefully, they'll put up some more material soon.
> I'll be sure to keep everyone posted on the next update. :)

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From ilug-admin@linux.ie  Wed Aug 28 10:48:11 2002

> > Actually the following would be in some way sensible:
the above was something along the lines i was attempting, once i
realised it was a straight swap. but i couldnt get awk's gensub to
anyway, in the end i found something on the internet and adapted it:
function decode_url (str,    hextab,i,c,c1,c2,len,code) {
# check for usual start of URI hex encoding chars
code = 0 + hextab [c1] * 16 + hextab [c2] + 0
> PS the late reply is because the footer on the original mail (If
> you received this mail in error yadda yadda) got caught in my
> spam filter, and ended up in my junkmail directory.
might not have been the footer - check my headers. :)
One nuclear bomb can ruin your whole day.