0As you say, this is still a bone of contention, but I believe that most authorities adhere to the simple rule of 'no possessive ergo no apostrophe'. s only 02br 00seven HPs 02br 00seven MPs 02br 00seven MPs' hats. 02br 02br 00Exceptions are usually made for the few cases where confusion is possible, the classic example being 'mind your p's and q's'.
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01cite10MrPedantic12cite10(I would prefer 11b101990s12b10.)12br10So would the AP stylebook.0-
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