Color sensitivity? No, BUT....

[mcdonald at uxe.cso.uiuc.edu]

>What I would like is the ability to change text styles, sizes, colors, and
>fonts within my code.  I could, for example, have all my comments in a smaller
>point size than my code.  Or I could make critical sections of code red.

There are examples of what you want - one is called WEB, invented by
Donald Knuth (it is Pascal). It is the most God-awful mess ever invented.

I do believe that what you want (or need) is a WYSIWYG system. It should
sell great for the Mac. You might make a bundle.

Doug McDonald