Oh man and I thought it was intended behavior. Even made a suggestion on it.

In case a dev comes around again I had two more suggestions:
I also suggest that the number field is selected by default when the gui opens.
I also suggest that one can use the mouse-wheel to increase/decrease values by ...

Hello guys,
thanks for the cool thread. It really got me going with combinators.
I plan a quite big project related to multiplexing. To keep track of all the parts I would like to add them here. I hope you don`t mind. I used the updated multiplexer from the first post.

The first contraption sums ...

One thing that really bothers me is how the number input in combinators work. It requires too many mouse/keyboard actions just to change a number.
If I want to input "-1" I have to select the field, select the input field in the bottom of the screen, input "1", go to the left with the keyboard ...

I might be wrong, but in my case blue prints with bobs mod "big pole mk4" did not work with only horizontal blueprint. When I desperately tried to use a diagonal blueprint as well it worked. I never used a diagonal blueprint before.

It displayed "out of big-electric-pole" message and tried to place ...