remove unused formal arg
remove unused formal arg
move function to toplevel within class
rename argument
massively simplify summary generation
merge old and new class
slightly reorganise class hierarchy
factor out where-clause
make where-clause a parameter
use new style for publisher summaries too
use new summary system for last type of summary
remove manual option
remove manual option even more
remove old summary system
rm debug lines
plumb through indicators info to where it's needed
remove unneeded code