The American convention is to use double quotation marks for primary level quotations, and single quotation marks for secondary level nested quotations, except when subject to [[Boyles law]]. For example:
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The American convention is to use double quotation marks for primary level quotations, and single quotation marks for secondary level nested quotations. For example:
:Alice said "Bob said 'Carol wished to be quoted'".
:Alice said "Bob said 'Carol wished to be quoted'".