What exactly is 'latest'

[Bryce]

I've created a tag
I've imported various packages including several kernels

ovs-2.1/kernel-2.4.21-52.0.0.0.2.EL.src.rpm  
ovs-2.1/kernel-2.6.18-8.1.6.0.18.el5.src.rpm
ovs-2.1/kernel-2.6.9-42.0.10.2.3.EL.src.rpm
ovs-2.1/kernel-2.6.9-42.32.0.0.4.EL.src.rpm

when I look at latest-by-tag I get kernel-2.6.9-42.32.0.0.4.EL instead of kernel-2.6.18-8.1.6.0.18.el5
So I'm wondering if the koji code is simply making a character by character comparison

ie it's seeing
2.6.1 vs
2.6.9

(this is using koji-1.2.6)
Whats my option here? block-pkg? 

Phil
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