From what I've seen, published fiction uses just one type of quotation marks, but many fanfics use both: double quotes for speech, and single for describing labels, signs, or even inner thoughts. For example: The door was locked, and had a note tacked to it saying 'Out to Lunch'. "When do you think she'll be back?" he asked.I'm wondering if this is something to be embraced, and if there's any kind of "official" endorsement for it. On the surface, it looks good to me, because there's no way...
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