src/vs/editor/browser/config/charWidthReader.ts/DomCharWidthReader/_render
class DomCharWidthReader:	private static _render(testElement: HTMLElement, request: CharWidthRequest): void {
		if (request.chr === ' ') {
			let htmlString = '\u00a0';
			// Repeat character 256 (2^8) times
			for (let i = 0; i < 8; i++) {
				htmlString += htmlString;
			}
			testElement.innerText = htmlString;
		} else {
			let testString = request.chr;
			// Repeat character 256 (2^8) times
			for (let i = 0; i < 8; i++) {
				testString += testString;
			}
			testElement.textContent = testString;
		}
	}