gram.y PROBLEM with UNDER

Tom, can you see anything wrong with this y.output file that would cause
it not to parse a plain create table statement?

ftp://ftp.tech.com.au/pub/y.output.gz
ftp://ftp.tech.com.au/pub/gram.y.gz

foo=# create table aa (bb text);
ERROR:  parser: parse error at or near "text"
ERROR:  parser: parse error at or near "text"
foo=#