noun
multicode concrete syntax
A technical term in computing, likely from programming language theory or formal specification, referring to a concrete syntax that handles multiple character encodings or code systems.
多符号具象構文は、複数の符号化方式を統一的に扱うための構文定義である。
Multicode concrete syntax is a syntax definition for handling multiple encoding schemes in a unified manner.
Compound of 多 (multi-), 符号 (code, sign), 具象 (concrete), and 構文 (syntax). The exact origin is uncertain; it appears to be a technical coinage in computing.