Example:
It's all about apples, oranges, bananas, etc.
VS.
It's all about apples, oranges, bananas, etc..
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Example:
VS.
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If etc. occurs at the end of a sentence, then you do not add another period.
However, if etc. occurs at the end of a clause, you can add a comma or other punctuation mark after it.
This grammar reference gives the following rule:
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If is was not a question, then you would not need two periods at the end of the sentence, but you do seem to need the period before a question mark. You might just use the full et cetera. Then you don't have to worry about the problem at all. |
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The correct form of your example:
Jack Lynch’s Guide to Grammar and Style states:
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'Guide to Punctuation' by Larry Trask. |
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