From tiera-3.12 (1992) documentation: The C source code creates a virtual computer and its operating system, whose architecture has been designed in such a way that the executable machine codes are evolvable. This means that the machine code can be mutated (by flipping bits at random) or recombined (by swapping segments of code between algorithms), and the resulting code remains functional enough of the time for natural (or presumably artificial) selection to be able to improve the code over time...
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From tiera-3.12 (1992) documentation:
The C source code creates a virtual computer and its operating system,
whose architecture has been designed in such a way that the executable
machine codes are evolvable. This means that the machine code can be
mutated (by flipping bits at random) or recombined (by swapping
segments of code between algorithms), and the resulting code remains
functional enough of the time for natural (or presumably artificial)
selection to be able to improve the code over time...