On Fri, 24 Jul 2020, Kevin A. McGrail wrote:


The intent was to avoid breaking existing production configurations
and third-party tools when feature_block_welcome becomes available, in
order to complete the coverage of backwards compatibility.

I was thinking to publicize the one byte change for the can has feature
to disable it to stay with the old rules.  I think that's simpler than
the alias functionality.

Assuming that the only utility of the "alias" directive is backwards compatibility in this feature, that's obviously a simpler solution. ☺

I haven't been thinking about general utility of "alias" - can anyone think of a use case that makes it attractive outside backwards compatibility?

I think it would be better to control feature_block_welcome from the 4.0pre file rather than having to make a code change, regardless of how small. Is that feasible?


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