Reply To: File extensions

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Chris Clemens

A rule update dealing with unspaced number/letter or letter/number abbreviations has been posted on BANA's website. If an abbreviation consists of an unspaced combination of letters and numbers, the abbreviation is treated as a mathematical expression -- each letter individually capitalized, a dot 5 inserted before a number that follows a letter, and punctuated mathematically. This would not apply to such abbreviations as BFM which do not include any numbers. If those abbreviations appear in print preceded by a dot (or period) they would have to be brailled according to the Computer Braille Code.