message: [terminal] Sequencer: Fixes DCH's default value (was 0, should be 1).
diff: @@ -1368,7 +1368,7 @@ ApplyResult Sequencer<T>::apply(FunctionDefinition const& _function, Sequence co
  // terminal identification, 4 hex codes
  screen_.reply("\033P!|C0000000\033\\");
  break;
  - case DCH: screen_.deleteCharacters(_seq.param_or<ColumnCount>(0, ColumnCount { 0 })); break;
  + case DCH: screen_.deleteCharacters(_seq.param_or<ColumnCount>(0, ColumnCount { 1 })); break;
  case DECCRA: {
  // The coordinates of the rectangular area are affected by the setting of origin mode (DECOM).
  // DECCRA is not affected by the page margins.
  