Taxonomy: Term with depth, depth modifier inverted.

The depth modifier is working inverse of what its description says

In the taonomy case of
Fruit:
-Apple

A depth of -1 is picking up apple when "fruit" is entered, and a depth of 1 will pick up fruit when "apple" is entered. Neither will pick up in the opposite case (apple will not show up when "fruit" is entered and a depth of 1).