@iKlsR @DantheMan @AWildRolandiXor @gandalf3 and others. Any thoughts on the new maths tag? User Bithur has added it to 4 questions. If it is decided to keep it, I move it should be renamed to math.
I'd like to remap colours in Cycles the way one would have done in Blender Internal, such that I could take the output of the shader/material and change the range of colours to something else, say from a ramp. This was how Blender Guru was able to change the texture map on his Realistic Earth so...
@DantheMan I still don't understand why (I'm guessing) Unicode does display on the page itself, but it does when I paste it to the URL box, in Chrome... Logics!