%Error: t/t_pp_misdef_bad.v:11:4: Define or directive not defined: '`NDEFINED'
                                : ... Suggested alternative: '`DEFINED'
   11 |    `NDEFINED
      |    ^~~~~~~~~
%Error: t/t_pp_misdef_bad.v:14:6: Define or directive not defined: '`imescale'
                                : ... Suggested alternative: '`timescale'
   14 |      `imescale
      |      ^~~~~~~~~
%Error: Exiting due to