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| | End of Field Punctuation |
 | | Do not end with a mark of punctuation unless the last word in the field is an abbreviation, initial/letter, or data that ends with a mark of punctuation. |
 | | Ends with a period, even when another mark of punctuation is present, unless the last word in the field is an abbreviation, initial/letter, or data that ends with a period. |
 | | Does not end with a mark of punctuation unless the field ends with an abbreviation, an initial/letter, or other data that ends with a mark of punctuation. |
| web.uflib.ufl.edu /alephpro/EndofFieldPunctuation.htm (322 words) |
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