Description of Problem: Something is not right with the nsupdate.8 man-page.  If
you run the command "man 8 nsupdate 2> stderr", there's data in the file
"stderr".

Version-Release number of selected component (if applicable):
# rpm -qf $(which nsupdate)
bind-utils-9.1.3-5

How Reproducible: 100%

Steps to Reproduce:
1. man 8 nsupdate 2> stderr

Actual Results: contents are as follows:
# cat stderr
mdoc warning: Unknown keyword `indent' in .Bl request (#155)
Usage: .Va variable_name ... (#265)

Expected Results: empty stderr output