build-depends harmful (was RE: import resolution)

[Tony Finch]

On Mon, 18 Apr 2005, S. Alexander Jacobson wrote:
>
> Module names in import statements refer to module specifications not module
> implementations.  e.g. if Prelude refers to a spec not an implementation, then
> use of any module that uses the Prelude must also refer to a spec rather than
> an implementation.

That implies that module names should have (possibly optional) version
numbers, because specifications change.

Tony.
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