Originally Posted by pomposity
Nice puzzle! So here's my attempt (I've tried to hide it so everyone else can keep trying independently):
Completely right in your analysis (including the red herring). I'm not sure you've actually given a completely correct answer in the specifics.
To further appreciate the problem, you might like to consider exactly what information the governor gave away — after all, I've told you that there were 45 green and 55 blue, so all the prisoners already know that there were both green and blue ink prisoners...