order by question

Hello,

I am confused by how postgres 8,4..13 is sorting my data.

\d test
Table "public.test"
Column | Type | Modifiers
--------+------+-----------
data | text |

select * from test order by data;
data
----------

-
--
1
11
11F
1F
a
b
C
F
-F
Feneric
Generic
(14 rows)

The first row is a single space, the next row a single -, the next two -- .
What I don't understand is why the '-F', the ' Feneric' and the ' Generic' sort where they do.

I would expect the output to be like this:

data
----------

Feneric
Generic
-
--
-F
1
11
11F
1F
a
b
C
F
(14 rows)

client_encoding
-----------------
SQL_ASCII

lc_collate
-------------
en_US.UTF-8

foxboxconfig=# show lc_ctype;
lc_ctype
-------------
en_US.UTF-8

Thanks for any clarification.

--
Stephen Clark