.TS
center box;
c | c
a | a.
Type Label	Purpose
_
clean	cleaning up
cmdsrc	program source code
doc	documentation
include	header files
lib	library object code, data
libsrc	library source code
man.\fIn\fR	reference manual
print.\fIn\fR	printing
project	project root directory
src	source code
test.\fIn\fR	testing
update.\fIn\fR	installing or updating
.TE