[Groff] Indexing these days with groff

[Johann Höchtl]

Fellow groffers,

what is the prefered method of creating indexes with groff these days?

Mainly I am only aware of

Tools for Printing Indexes 
<http://cm.bell-labs.com/cm/cs/cstr/128.ps.gz>, CSTR #128, J. L. Bentley 
and B. W. Kernighan <http://troff.org/whoswho.html#bwk>, Bell Labs, 
October 1986.
available for download at
http://netlib.sandia.gov/typesetting/indexing.tools
and used in the community resurection of


 Unix Text Processing

available at
ftp://ftp.ffii.org/pub/groff/contrib/documentation/utp/utp-1.0.tar.gz

I found the CSTR quite difficult. Has anybody some recent experience in 
indexing or some newer helpers?
BTW. I would try to do it with the mom macro package

Greetings, Johann