neunhoef/orb — pull request #7 by james-d-mitchell (2014-07-21 14:15:36+00:00)
Title: changing HTAdd_TreeHash_C and HTValue_TreeHash_C from static to extern

I want to make this change so that I can use HTAdd_TreeHash_C and HTValue_TreeHash_C directly in the forthcoming kernel component of the Semigroups package. Unless it has some consequences I haven't foreseen.