regress/roff/cond/if.out_lint

   1 mandoc: if.in:15:2: WARNING: conditional request controls empty scope: if
   2 mandoc: if.in:17:2: WARNING: conditional request controls empty scope: if
   3 mandoc: if.in:42:2: WARNING: skipping paragraph macro: br before sp
   4 mandoc: if.in:71:2: WARNING: skipping paragraph macro: br after br