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There is the point of them coming up with clascal, and then Object Pascal (in collaboration with Niklaus Wirth), because Smalltalk-80 was never going to execute at acceptable speed on Lisa's and Mac hardware.

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They already used PASCAL for the Lisa as its systems programming language. Most of its software at that point was written in Lisa Pascal. Apple worked with Wirth on adding/improving object-oriented programming constructs. Clascal was an extension to an already widely used Lisa Pascal and was used for an OOP framework: http://pascal.hansotten.com/apple-lisa-pascal/

I don't think there was ever a move to use Smalltalk in Apple Products, anyway. Besides a pre-product version of Apple Smalltalk 80 itself, which was available for a short time.

Eventually also PASCAL (using BEGIN/END) lost at Apple against the curly braces in C/C++/Objective C/Java/JavaScript/Swift.

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