public text designating sequence
Computing term for a sequence that designates public text, likely in markup or encoding contexts. Rare outside technical documentation.
In this standard, a public text designating sequence is used to specify the public scope of the document.
Compound of 公開 (public), 文 (text), 指示 (designation/instruction), and シーケンス (sequence). The exact historical derivation is uncertain; it is a technical term likely coined in computing standards.