[coldtea]

>I don't want != changed to ≠ because ≠ isn't a C++ operator.

A colored != is not a C++ operator either. It's about getting our minds to differentiate symbols faster, not about whether they exist as is in some language's syntax.

[gumby]

Indeed, I program with syntax coloring disabled for this reason.

[coldtea]

Then maybe program directly in C++ AST. != will be converted to that too.