src/vs/editor/contrib/hover/modesContentHover.ts/ModesContentHoverWidget/_updateContents
class ModesContentHoverWidget:	private _updateContents(node: Node): void {
		this._hover.contentsDomNode.textContent = '';
		this._hover.contentsDomNode.appendChild(node);
		this._updateFont();

		this._editor.layoutContentWidget(this);
		this._hover.onContentsChanged();
	}