[PDD21] modify doc to match current code behavior ~ define HLL Root Namespace ~ modify HLL User-Created Namespace definition ~ namespaces passed to "{find,store}_global" ops are relative to HLL root namespace
[PDD21] modify doc to match current code behavior
~ define HLL Root Namespace
~ modify HLL User-Created Namespace definition
~ namespaces passed to "{find,store}_global" ops are relative to HLL root namespace

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@12190 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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