message: Fix a regression in the delete chars terminal command
diff: @@ -425,13 +425,13 @@ export class CharCellGrid {
  */
  shiftCellsLeft(x: number, y: number, shiftCount: number): void {
  const offsetCell = y * this.width;
  - shiftCount = Math.min(x, shiftCount);
  -
  + if ((x + shiftCount) < this.width) {
  this._uint8View.copyWithin((offsetCell + x) * CELL_SIZE_BYTES, // target pos
  (offsetCell + x + shiftCount) * CELL_SIZE_BYTES, // source pos
  (offsetCell + this.width) * CELL_SIZE_BYTES); // end pos
  + }
  - for (let i=this.width-shiftCount; i < this.width; i++) {
  + for (let i=Math.max(x, this.width-shiftCount); i < this.width; i++) {
  this.setCell(i, y, SpaceCell);
  }
  }
  