RE: My emacs was upgraded and I am a novice again

[Drew Adams]

> > And, yes, trying to provide a useful index (in whatever form) 
> > usually requires some human effort and judgment - automatic 
> > indexing is somewhat limited in practice.
> 
> Well, Google (and other search engines) demonstrate that an automatic
> indexing can be very useful, too.

Yes, full-text search is powerful and useful.

A book index is something else.

http://www.asindexing.org/site/indfaq.shtml