sort question - Mailing list pgsql-jdbc

I don't know if this is a JDBC thing or not, but if I issue this
query:

select distinct style, color, width, size from skiddata
where skidno = 'F3932' order by style, color, width, size;

I get the sizes in order '10 ', '10-', '11 ', '12 ', ' 9 ',
' 9-'.  Shouldn't ' 9 ' and ' 9-' come first?  Have I got
something set up wrong in Postgres?

I'm using Postgres 7.3.2 on SuSE Linux 8.2 (kernel 2.4.20), driver
pg73jdbc3.jar.

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____________________________________________________________
Glenn Holmer                          gholmer@weycogroup.com
Programmer/Analyst                       phone: 414.908.1809
Weyco Group, Inc.                          fax: 414.908.1601