Strange, if i move the graph(from 0.2 to 0.8 max) the number will be immediately be red, even if i put it back on 0.4. No matter what.
If i click on the number, i see "040", and i must typ "0,50" to change it to 0.5 (mind the ",") the number is still red, but it's saved when i go out of the EXP...