message: [terminal] CellUtil: Allow compareText to also check for NUL-codepoint.
diff: @@ -86,7 +86,7 @@ CRISPY_REQUIRES(CellConcept<Cell>)
  [[nodiscard]] inline bool compareText(Cell const& cell, char asciiCharacter) noexcept
  {
  if (cell.codepointCount() != 1)
  - return false;
  + return asciiCharacter == 0 && cell.codepointCount() == 0;
  return cell.codepoint(0) == static_cast<char32_t>(asciiCharacter);
  }
  