Make the default output format of enumerate just be "file z x y".
Make the default output format of enumerate just be "file z x y".

You can still have the verbose output with counts and coordinates
by using -v.

This makes the tileset rendering example with xargs in README.md
actually work instead of generating errors about calling render
with too many arguments.

ericfischer/datamaps,ericfischer/datamaps,wandergis/datamaps,wandergis/datamaps