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strange problem about colors
Hello all Yesterday when I wrote a program, I defined several functions in it and it ran very well. To make the definitions of these functions easy to find, I changed the colors of the names of these functions where they were defined. Then no problem happened. But today, after opening the program file and running it, I found an error. Mathematica told me one of the functions is unusable, it seemed it was not defined. The name of this function was magenta. I changed the name of this "magenta function' to black, then everything was OK. Finally, I changed this black name back to magenta again, this program still run normally. Why such things happened? thanks a lot. Zhu X. P.