message: Emit empty lines for comments in inactive blocks.
  Fixes
diff: @@ -131,6 +131,8 @@ void SV3_1aPpTreeShapeListener::exitComments(SV3_1aPpParser::CommentsContext * c
  } else if (ctx->One_line_comment()) {
  addVObject (ctx, ctx->One_line_comment()->getText(), VObjectType::slComments);
  }
  + } else {
  + addLineFiller(ctx);
  }
  }
  }
  