%Error: t/t_pp_underline_bad.v:8:4: Extra underscore in meta-comment; use /*verilator {...}*/ not /*verilator_{...}*/
    8 |    // verilator_no_inline_module
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: t/t_pp_underline_bad.v:10:19: Extra underscore in meta-comment; use /*synopsys {...}*/ not /*synopsys_{...}*/
   10 |       case (1'b1) // synopsys_full_case
      |                   ^~~~~~~~~~~~~~~~~~~~~
%Error-BADVLTPRAGMA: t/t_pp_underline_bad.v:8:4: Unknown verilator comment: '/*verilator _no_inline_module*/'
    8 |    /*verilator _no_inline_module*/ 
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                     ... For error description see https://verilator.org/warn/BADVLTPRAGMA?v=latest
%Error: Exiting due to