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Way forward
Three choices:
Do nothing
Define new extensible namespace along lines proposed in this draft
Define new namespace for Q.732 codepoints
In last two cases, define responses in which Reason header can be used in this way (e.g., 1xx, 2xx, 3xx)
In any case, may wish to permit existing Reason header in 3xx responses to solve only the 302 ambiguity problem
PPT Version