plpgsql select into with multiple target variables

The docs say:

The result of a SELECT command yielding multiple columns (but only one
row) can be assigned to a record variable, row-type variable, or list
of scalar variables. This is done by:
SELECT INTO target select_expressions FROM ...;
where target can be a record variable, a row variable, or a
comma-separated list of simple variables and record/row fields. The
select_expressions and the remainder of the command are the same as in
regular SQL.

So, I'm trying to do the "list of scalar variables" target, but I can't
get the syntax right. Something like

SELECT into varx, vary, varz,
colx, coly, colz, FROM ....

I've tried parens and various other things but no luck.

John DeSoi, Ph.D.
http://pgedit.com/
Power Tools for PostgreSQL