> The Symbolics 3600 is a 36-bit single-user computer designed for high-productivity software development and for the execution of large symbolic programs. ...
> The system software constitutes a large-scale programming environment ... Object-oriented programming techniques are used throughout the 3600 system to provide a reliable and extensible integrated environment without the usual division between an operating system and programming languages ...
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There you have 'development' and ' extensible integrated environment'.
> Symbolics 36000 Technical Summary
> Overview
> ...
> The Symbolics 3600 is a 36-bit single-user computer designed for high-productivity software development and for the execution of large symbolic programs. ...
> The system software constitutes a large-scale programming environment ... Object-oriented programming techniques are used throughout the 3600 system to provide a reliable and extensible integrated environment without the usual division between an operating system and programming languages ...
---
There you have 'development' and ' extensible integrated environment'.