It's related to you loading B unintentially. Renaming A, B, C & D to PkgA, PkgB, PkgC & PkgD in the first snippet causes it to output the same thing as the second snippet.

Update: Forgot to mention:

The use of base is discouraged. The usual problem is that it's silent when it fails to load a module (leading to weird error messages). This time, the problem was that it's silent when successfully loading a module (leading to weird behaviour).

In reply to Re: use NEXT; by ikegami
in thread use NEXT; by vi(ing

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