Cleanup in the census places test.

test/census-places.load

@@ -6,10 +6,10 @@ LOAD ARCHIVE
      $$ drop table if exists places; $$,
      $$ create table places
        (
-          usps char(2) NOT NULL,
-          fips char(2) NOT NULL,
+          usps      char(2)  not null,
+          fips      char(2)  not null,
           fips_code char(5),
-          loc_name varchar(64)
+          loc_name  varchar(64)
        );
      $$
 
@@ -17,6 +17,7 @@ LOAD ARCHIVE
         FROM FILENAME MATCHING ~/places2k.txt/
              WITH ENCODING latin-1
              (
+             -- name   start  length
                 usps       0  2,
                 fips       2  2,
                 fips_code  4  5,