message: revert kernel type w/ downloaded ipynb from binder. looks like it's a newer notebook version too with the 'id' field?
diff: "cells": [
  {
  "cell_type": "markdown",
  + "id": "owned-extraction",
  "metadata": {},
  "source": [
  "## Load the MFEM library\n",
  {
  "cell_type": "code",
  "execution_count": null,
  + "id": "waiting-portrait",
  "metadata": {},
  "outputs": [],
  "source": [
  },
  {
  "cell_type": "markdown",
  + "id": "foreign-recycling",
  "metadata": {},
  "source": [
  "## MFEM Example 1"
  },
  {
  "cell_type": "markdown",
  + "id": "public-white",
  "metadata": {},
  "source": [
  "This is the simplest MFEM example and a good starting point for new users. The example demonstrates the use of MFEM to define and solve an $H^1$ finite element discretization of the Laplace problem\n",
  {
  "cell_type": "code",
  "execution_count": null,
  + "id": "protective-darkness",
  "metadata": {},
  "outputs": [],
  "source": [
  {
  "cell_type": "code",
  "execution_count": null,
  + "id": "falling-monkey",
  "metadata": {},
  "outputs": [],
  "source": [
  },
  {
  "cell_type": "markdown",
  + "id": "hawaiian-republican",
  "metadata": {},
  "source": [
  "## GLVis Visualization\n",
  {
  "cell_type": "code",
  "execution_count": null,
  + "id": "ordinary-equation",
  "metadata": {},
  "outputs": [],
  "source": [
  ],
  "metadata": {
  "kernelspec": {
  - "display_name": "Python 3",
  - "language": "python",
  - "name": "python3"
  + "display_name": "C++14",
  + "language": "C++14",
  + "name": "xcpp14"
  },
  "language_info": {
  - "codemirror_mode": {
  - "name": "ipython",
  - "version": 3
  - },
  - "file_extension": ".py",
  - "mimetype": "text/x-python",
  - "name": "python",
  - "nbconvert_exporter": "python",
  - "pygments_lexer": "ipython3",
  - "version": "3.9.5"
  + "codemirror_mode": "text/x-c++src",
  + "file_extension": ".cpp",
  + "mimetype": "text/x-c++src",
  + "name": "c++",
  + "version": "14"
  }
  },
  "nbformat": 4,
  