yeah, i'm aware of that.. my workflow is a massive psd file with groups for diff/normal/spec etc. and accordingly subgroups for organization. so if you're adding, say, scratches in the diffuse layer XYZ and want to 'mirror' them in your spec layer XYZ, you're copying selection masks to and fro all the time. not a big…
I don't understand why you want the two masks to be linked together. Can you give a practical example of what you would use this for? I can only assume that you're talking about painting a mask on say the diffuse and specular at the same time? For those sorts of cross-grouping mask links I just copy/paste from one to the…