syntax error using PF on OpenBSD 3.4/snapshot

[Russell P. Sutherland]

I'm currently running a slightly patched version of 3.4:

OpenBSD bute.gw.utoronto.ca 3.4 FIREWALL2#0 i386

When I try to perform what seems to be the simplest of
macros (the one given in the man page) I get a syntax
error:

        # cat qwe.conf
        ext_if = "kue0"
        all_ifs = "{" $ext_if lo0 "}

        # pfctl -nvf ./qwe.conf
        ext_if = "kue0"
        ./qwe.conf:2: syntax error

Is there a basic bug or am I making a fundamental mistake.

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