[netmod] Is changing the type with union a BC change?

[Italo Busi]

I have some questions/doubts about whether changing a type with union is a BC 
or NBC change

For example, is the following change a BC or NBC change?

      OLD
            type union {
               type foo;
               type bar
            }

      NEW
            type union {
               type foo;
               type bar;
               type baz
            }

Section 11 of RFC7950 is silent on this case although this change is expanding 
the allowed value space and therefore it looks like a BC change

Thanks, Italo



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