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This.

At least parentheses have a useful purpose and can even help you when writing code (paredit and the like). Semicolons are only there to help compiler writers.

It would be ok if they were allowed, but optional. How many times do you really have to write more than one statement per line?

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The issue is these days everytime I hear optional I think of semicolons in JavaScript where they are optional except for one or two edge cases I can't remember off the top of my head. Optional is good as long as its a complete you can do it this way or that way like gradual typing in some languages.

Indeed. I meant really optional, not something like automatic semicolon insertion, where they are there, they are required by the grammar, but you are allowed to omit them in some cases.

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