EL1


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EL1

Extensible Language One. An extensible language by B. Wegbreit of Harvard ca 1974. EL1 is internally somewhat Lisp-like, but fully typed with records and pointers. The external syntax is ALGOL-like and extensible, supporting user-defined data structures, control structures and operations. The parser is table-driven, with a modifiable set of productions. Used as the basis for the ECL operating system.

["Studies in Extensible Programming Languages", B. Wegbreit, Garland. Pub 1980].
References in periodicals archive ?
Model EL1 with a capacity of 110 lbs/hr (50 kg/hr);
42 work force and process capability EL1 Have fully educated personnel 3.
We came up on the power for the final turn to our resting spot on EL1 and heard nothing but the soft hum of the mighty TF34s.
EL1 * Evening Gazette readers have the chance to show their support for Mr Wharton's name change campaign by completing the form on www.
All models, except the EL1, have filter blowback to maintain the operating efficiency of the loader and extend the motor life.
Contract notice: Purchase of extra light heating oil EL1 for the necessity of municipality Gjorce Petrov, primary schools and kindergarten.
Contract Awarded for Engagement of a skilled EL1 equivalent to back fill and support day to day internal budget functions.