Method doPaste

tools/xsbug/behaviors.js:89–94

(code)

		this.doClear(code);
	}
	doPaste(code) {
		this.onChanging(code);
		code.insert(shell.behavior.getClipboard())
		this.onChanged(code);
		this.onReveal(code);
	}
	doRedo(code) {
		this.historyIndex++;
		var state = this.history[this.historyIndex];