message: Remove the unused `postfix` var from Term.ts
diff: @@ -224,7 +224,6 @@ export class Emulator implements EmulatorApi {
  private params = [];
  private currentParam: string | number = 0;
  private prefix = '';
  - private postfix = '';
  private lines: Line[] = [];
  @@ -361,7 +360,6 @@ export class Emulator implements EmulatorApi {
  this.params = [];
  this.currentParam = 0;
  this.prefix = '';
  - this.postfix = '';
  this.lines = [];
  // this.tabs;
  @@ -1109,7 +1107,6 @@ export class Emulator implements EmulatorApi {
  // '$', '"', ' ', '\''
  if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') {
  - this.postfix = ch;
  return i;
  }
  