Honestly I think the issue of whether derivative works can use text
from the original is distinct from whether derivative works can be
confused with the original.
While I am most definitely not a lawyer, it is my understanding that
it is permissible to quote from copyrighted works as long as they are
properly referenced. I don't think that we should stop people from
quoting (and referencing) RFCs, but we should stop people from
producing modified and/or extended versions of the original.
If you believe that our current copyright/IPR text somehow forbids
quoting and referencing RFCs in other works, could you explain why
you think that?
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