Braille Formats! Let's frolic through concepts from Braille Formats 2016 (BF2016)!

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* 1. Which option gives the correct order for transcriber-generated pages (or "t-pages)? BF2016 §2.2.1

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* 2. How can we distinguish "printing history" numbers [and letters] from other sequences of numbers and letters?
(Examples of other sequences include cataloging numbers for the Library of Congress (LOC) and Dewey Decimal cataloging numbers.)
["Printing history" is also known as a "printer's key."]
BF2016 §2.3.6.g

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* 3. Which option is the Braille Formats term for a list that has main entries and at least one level of subentries? BF2016 §§8.1.2 and 8.5

T