[plt-scheme] new version of prog langs text (also making the collection work on r301.5 from svn)

Gregory Woodhouse writes:
>Anyway, I didn't know I could enter a URL (instead of a filename) for
>"install *.plt file". Maybe the real answer is that this is what people
>should be doing.

That's the ONLY way I've been telling my (beginning, often 
non-CS-major) students to do it, since that way I don't have to worry 
about the vagaries of whatever browser they're using.

-- 
							Stephen Bloch
							Math/CS Dept
 
Adelphi University
 
sbloch at adelphi.edu