gpg --verify detached signature from two file descriptors?

[Daniel Kahn Gillmor]

On 11/13/2010 02:26 PM, Daniel Kahn Gillmor wrote:
>>   gpg --enable-special-filenames --verify --batch -&5 -&6
>>
>> Assuming you have them in fds 5 and 6.
> 
> thanks, this is exactly what i needed!

Hrm, but it doesn't seem to work for me to use the special filename for
the signature itself:

>> 0 dkg at pip:/tmp/cdtemp.VsWK6o$ gpg --enable-special-filenames --verify --batch test.asc '-&3' 3<test 
>> gpg: Signature made Thu 18 Nov 2010 11:54:03 AM EST using RSA key ID D21739E9
>> gpg: please do a --check-trustdb
>> gpg: Good signature from "Daniel Kahn Gillmor <dkg at fifthhorseman.net>" [ultimate]
>> gpg:                 aka "Daniel Kahn Gillmor <dkg at openflows.com>" [ultimate]
>> gpg:                 aka "[jpeg image of size 3515]" [ultimate]
>> gpg:                 aka "Daniel Kahn Gillmor <dkg at debian.org>" [ultimate]
>> 0 dkg at pip:/tmp/cdtemp.VsWK6o$ gpg --enable-special-filenames --verify --batch '-&4' '-&3' 3<test 4<test.asc 
>> gpg: Invalid option "-&4"
>> 2 dkg at pip:/tmp/cdtemp.VsWK6o$ 

What am i doing wrong?  i'm using gnupg 1.4.11 from debian experimental
on i386, if that makes a difference.

	--dkg

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