[Issue 18391] DMD color-highlighting should be user-definable

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18391

--- Comment #3 from Adam D. Ruppe <destructionator at gmail.com> ---
It's just more configuration that has to be coded, tested, documented, and
actually used by the end user. Whereas knowing how to fix up your terminal
palette will just work across all programs.

I remain of the opinion that this syntax highlighting is a mistake anyway, even
if the implementation was free (which it isn't): it adds nothing of value and
has an opportunity cost of watering down the potential of using careful color
output in some other way later, but if it is here, even if it is configurable,
the default has to be reasonable in 99% of cases since only 1% are likely to
even be aware of such an option, much less actually set it.

So I'm not against adding the option per se, but I do caution against using the
option to paper over the deficiencies of the default.

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