code: function updateHTMLTag(editor, node, width, height) {
  	const srcAttr = getAttribute(node, 'src');
  	const widthAttr = getAttribute(node, 'width');
  	const heightAttr = getAttribute(node, 'height');
  
  	editor.transact(() => {
  		// apply changes from right to left, first for height, then for width
  		let point;
  		const quote = getAttributeQuote(editor, widthAttr || heightAttr || srcAttr);
  
  		if (!heightAttr) {
  			// no `height` attribute, add it right after `width` or `src`
  			point = widthAttr ? widthAttr.end : srcAttr.end;
  			editor.setTextInBufferRange([point, point], ` height=${quote}${height}${quote}`);
  		} else {
  			editor.setTextInBufferRange(getRange(heightAttr.value), String(height));
  		}
  
  		if (!widthAttr) {
  			// no `width` attribute, add it right before `height` or after `src`
  			point = heightAttr ? heightAttr.start : srcAttr.end;
  			editor.setTextInBufferRange([point, point], `${!heightAttr ? ' ' : ''}width=${quote}${width}${quote}${heightAttr ? ' ' : ''}`);
  		} else {
  			editor.setTextInBufferRange(getRange(widthAttr.value), String(width));
  		}
  	});
  }
docs: Updates size of given HTML node
  @param  {TextEditor} editor
  @param  {Node}       node
  @param  {Number}     width
  @param  {Number}     height