Patch Improvements

[Agrajag]

Corwin said:
5. Allow more accurate abjustments of magic reseach priorities. Like little "+" and "-" on both sides of the scale, to add one point of reseach or substract it.

There's always the + and - keys to adjust research more accurately.
Although if you have a lot of research the increments tend to increase, so you get less accurate (atleast it was so in dom2, I haven't seen this change in dom3 yet)