bd6378a6d2
This updates the logic for Package.extends so that if the spec associated with the package is not concrete, it will report true if the package *could extend* the given spec; generally speaking a package could extend a spec as long as none of the details associated with its extendee spec conflict with the given spec. When the spec associated with the package is concrete, this function will only report whether the package *does extend* the given spec. When both the specs are concrete, the semantics are the same as before. |
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