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In another thread, it's come up that in some parts of europe the natural decimal separator is the comma, but in combination with () parentheses these can look a lot like tuples. In a way it's just a question of what one is familiar with since it's only parenthesised tuples with literal numerals ending and beginnng adjacent entries that could possibly be ambiguous. The one "objective" advantage of the decimal point is that conventional mathematics doesn't use a standard period dot elsewhere (not a cdot).
What are the thoughts?