incremental makewhatis
new man(5) page
new catman(8) page
add to makewhatis(8) section on whatis format?
catman new switches
    z	compress
    u	uncompress
    i	initialize -- create cat* and idx* directories
    r	remove old cat pages first, warn of cat pages w/o man pages
    R	remove recursivley old cat dirs first, then invoke -i 
man - collapse case on lookups
cfman - option to use dbm files 
man - use optimized perl wth eval trick for apropos unless GNU grep
apropos - "and" not "or" multiple args
