Tested on https://bugsquash2.mobiusconsortium.org/eg/staff/
856s with second indicator 2 does not display
856s with second indicator 0, 1 display
856s with second indicator with blank do not display (this is ok).
Tested on https:/ /bugsquash2. mobiusconsortiu m.org/eg/ staff/
856s with second indicator 2 does not display
856s with second indicator 0, 1 display
856s with second indicator with blank do not display (this is ok).