[gambit-list] loading modules multiple times

[Adam Langley]

Currently, trying to (load x) twice results in an error. This is a
problem when A and B each load C and a fourth file tries to load A and
B. It's also a problem when using (include x) to debug a file which
loads another.

So I would suggest the load should be a no-op in the case that the
file has already been loaded.

I would submit a patch, but doing the obvious to
setup.c:___os_load_object_file doesn't seem to work.


AGL

-- 
Adam Langley                                      agl at imperialviolet.org
http://www.imperialviolet.org                       (+44) (0)7906 332512
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