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Every now and again I find myself writing a sentence like this:

INPUT in LPINPUT is some data structure I can identify — what does LP mean, array?

I don't know what to call this type of sentence but the general format is that I ask a question and then list one or more possible answers.

Now in the quote above I used a comma to separate the original question and my supposed answer but would it not be correct to use two question marks? Like so:

INPUT in LPINPUT is some data structure I can identify — what does LP mean? array?

Because the way I see it, I'm asking two questions.

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BTW: LP probably means long pointer. –  Wayne Johnston Mar 27 '13 at 1:06
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up vote 1 down vote accepted

Asking two questions in the same sentence can be hard to understand. Try using more sentences instead.

INPUT in LPINPUT is some data structure I can identify. What does LP mean? Does it mean array?

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