RE: [sv-bc] Top-25 proposed enhancement: Allow trailing commas in ANSI port / named connection lists

I have another point.

Today, syntactically, trailing commas are allowed in non-ANSI style port lists.

This creates another port, a "null port", at the end.

This often creates tool problems.

I would have preferred that the comma at the end either be ignored or be a syntax error, as I have not yet heard of a use for null ports.

However, as long as they are there, I hesitate to create another syntax which is inconsistent with existing behavior.

I don't know whether eliminating null ports would create a back-compatibility problem.

I have never seen them used deliberately.

Shalom
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