marked section declaration
A computing term used in markup languages (e.g., SGML, XML) to declare a section with special processing instructions. Rare outside technical documentation.
In SGML, you can define special character data using a marked section declaration.
open marked section declaration
Compound of マーク (mark), 区間 (section), and 宣言 (declaration), directly translating the English computing term 'marked section declaration'.