Deletion of Standard Typographical Unit

Comment: The article specifically asserts that there are no written records explaining what a Standard Typographical Unit is. If so, that means that the definition is |unverifiable and should not be included in this Wikipedia article. How do we know the author is defining an STU correctly? Maybe an STU equals two or three characters, not just one as this article claims. Also, this term is non-notable and only of interest at one school, per the nom
Stance: delete
Cited policy: Wikipedia:Verifiability (WP:V)