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SDL Spec changes #1117
referenced this pull request
Dec 6, 2017
@leebyron Here is an idea to discuss.
It could be defined as:
It became possible since this PR makes
I like that idea and we actually had this arrangement in the definition of
There are also still some subtle differences between the two. Extensions cannot be empty and extensions do not add descriptions. Since the grammar for the two are slightly different I think it makes sense to introduce new AST node types, even if the differences are subtle.
I think if we have the desire to visit all extensions in a single function, that we might instead add functionality to the visitor