message: Apply review suggestion.
diff: @@ -329,7 +329,7 @@ absl::Status FormatVerilogRange(const verible::TextStructureView& structure,
  const char unformatted_begin = *text_lines[line_range.min - 1].begin();
  if (!formatted_text->empty() && (*formatted_text)[0] == '\n' &&
  unformatted_begin != '\n') {
  - formatted_text->erase(0, 1);
  + formatted_text->erase(0, 1); // possibly expensive.
  }
  // We don't have verification tests here as we only have a subset of code
  