Duployan is a Unicode block containing characters for various Duployan shorthands, including French Duployéan, Chinook Writing, Romanian shorthand, and the English Sloan-Duployan, Pernin, and Perrault shorthands.[3] It is the first block of shorthand characters included in the Unicode Standard.[1]
Moore, Lisa (2011-08-16), "Consensus 128-C31", UTC #128 / L2 #225 Minutes, Reconfirm the approval of the 143 Duployan shorthand characters in the Duployan block (U+1BC00..U+1BC9F), with the revised ordering as documented in L2/11-215