I noticed that cabal will parse, but ignore, version tags. For example, the two lines appear to be equivalent in how a package gets built:

Version: 1.1

Version: 1.1-alternate

Arguably this is not the right thing to do, as it changes the semantics of versions. For example, I can install version 1.1 of a package without replacing version 1.0, but if I try to install version 1.0-alternate, I will actually replace version 1.0.

I'm not against discarding version tags, but I'd like to know if there's a rationale for _silently_ discarding them.

-heatsink

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