🚀 go-pugleaf

In article <932@mtk.UUCP>, marmar@mtk.UUCP (Mark Martino) writes:
> I was studying example #19 in the blue book today and I came across a
> line that I don't understand.  The program runs so it must make sense to
> the interpreter, but it doesn't make sense to me.
> 
> When creating a new font dictionary, this example uses this line:
> 
> { exch newfont 3 1 roll put }
> 
> "newfont" appears to be a new empty dictionary. I don't understand how
> newfont is being accessed and used here.  If one enters a string without
> the "/", the interpreter trys to find it in the dictionaries.  Shouldn't this
> return some kind of "can't find" error?  It seems to do this if you set
> this up and try to run it by itself.

If you look just four lines earlier in the code, you find

	/newfont numentries dict def

which creates a new dictionary via the "dict" operator and binds it to the name
"newfont".  Does this answer your question?
						Richard Silverman