clear all markers (#3868)

src/browser/Terminal.ts

@@ -1325,7 +1325,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
       // Don't clear if it's already clear
       return;
     }
-    this.buffer.clearAllMarkers(0);
+    this.buffer.clearAllMarkers();
     this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y)!);
     this.buffer.lines.length = 1;
     this.buffer.ydisp = 0;

src/browser/TestUtils.test.ts

@@ -262,7 +262,7 @@ export class MockBuffer implements IBuffer {
   public clearMarkers(y: number): void {
     throw new Error('Method not implemented.');
   }
-  public clearAllMarkers(excludeY: number): void {
+  public clearAllMarkers(): void {
     throw new Error('Method not implemented.');
   }
 }