@michaelcahill, we talked about getting case-sensitivity consistency for WiredTiger configuration strings, and you indicated you'd prefer being globally case-sensitive rather than case-insensitive.
Here are the changes to remove the relatively few places where we did case-sensitive comparisons of configuration strings.
Obviously, this raises portability questions, but those won't get better if we wait to make this change, and since we just recently modified the Huffman configuration code, it seems like making the change now is the right thing to do.