[pjmlp]

Hardly, see programming languages standards and compiler specific extensions.

[aDyslecticCrow]

languages are more fluid than processor architectures. I don't think they can be compared.

[pjmlp]

One would think, yet welcome to enterprise consulting, especially customers whose main business is not selling software.

You will find fossilized languages all over the place.

[aDyslecticCrow]

fossilised is often desirable or requested in some industries. Developing for the embedded market myself, we often have to stick to C99 to ensure compatibility with whatever ancient compiler a costumer or even chipset vendor may still be running.