Create a generic m4 macro
Modify the cost vector
re-order parenthesis
Another macro simplification
more macro simplification
intranstive macro simplification
more intransitivemacro simplification
more macro simplifcation
Remove excessive use of  parens
And now, for the actual bugfix that motivated this
Another verb conjunction fix
use the same uniform naming convention as before
The remaining verb-conjunction fixes, from long ago
Minor documentation cleanup