dtddiff(1p) on Linux
The text 1195006a7312, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
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Flags it lists
-
--attributes -
--content-model-expanded -
--dump -
--elements -
--general-ents -
--help -
--man -
--noattributes -
--nocontent-model-expanded -
--noelements -
--nogeneral-ents -
--noparameter-ents -
--parameter-ents -
--version