1. An early possible name for PL/I.

[Sammet 1969, p.542].

2. MasPar data-parallel version of C. See also ampl.

Compiler version 3.1

3. Motorola Programming Language. A low-level PL/I-like language, similar to PL/M, but for the Motorola 6800.

4. MicroProgramming Language. Simple language for microprogramming. Statements on the same line represent register transfers caused by one microinstruction, and are executed in parallel.

["Structured Computer Organization", A.S. Tanenbaum, First Edition, P-H 1976. (Replaced in later editions by Mic-1)].