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BS ISO/IEC 15852:1999
Information technology. Programming languages. M Windowing API (British Standard)
The M Windowing API (MWAPI) extends the M programming technology with the addition of capabilities for developing and operating graphical user interface (GUI) applications.
For the purposes of this International Standard, an application is defined as a collection of one or more M routines using MWAPI capabilities and a user is a person utilizing such an application.
British Standards Institution [bsi]