Fix "Source" text for the "Other Syntax" section of the notebook

Before it was shown as the "Display" one because of a missing end of
line.

examples/notebooks/Typesetting Math Using MathJax.ipynb

@@ -1,259 +1,260
 {
  "metadata": {
   "name": ""
  },
  "nbformat": 3,
  "nbformat_minor": 0,
  "worksheets": [
   {
    "cells": [
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "The Markdown parser included in IPython is MathJax-aware.  This means that you can freely mix in mathematical expressions using the [MathJax subset of Tex and LaTeX](http://docs.mathjax.org/en/latest/tex.html#tex-support).  [Some examples from the MathJax site](http://www.mathjax.org/demos/tex-samples/) are reproduced below, as well as the Markdown+TeX source."
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "# Motivating Examples\n",
       "\n",
       "---\n",
       "\n",
       "## The Lorenz Equations\n",
       "### Source\n",
       "```\\begin{align}\n",
       "\\dot{x} & = \\sigma(y-x) \\\\\n",
       "\\dot{y} & = \\rho x - y - xz \\\\\n",
       "\\dot{z} & = -\\beta z + xy\n",
       "\\end{align}\n",
       "```\n",
       "### Display\n",
       "\\begin{align}\n",
       "\\dot{x} & = \\sigma(y-x) \\\\\n",
       "\\dot{y} & = \\rho x - y - xz \\\\\n",
       "\\dot{z} & = -\\beta z + xy\n",
       "\\end{align}"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "## The Cauchy-Schwarz Inequality\n",
       "### Source\n",
       "```\\begin{equation*}\n",
       "\\left( \\sum_{k=1}^n a_k b_k \\right)^2 \\leq \\left( \\sum_{k=1}^n a_k^2 \\right) \\left( \\sum_{k=1}^n b_k^2 \\right)\n",
       "\\end{equation*}\n",
       "```\n",
       "### Display\n",
       "\\begin{equation*}\n",
       "\\left( \\sum_{k=1}^n a_k b_k \\right)^2 \\leq \\left( \\sum_{k=1}^n a_k^2 \\right) \\left( \\sum_{k=1}^n b_k^2 \\right)\n",
       "\\end{equation*}"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "## A Cross Product Formula\n",
       "### Source\n",
       "```\\begin{equation*}\n",
       "\\mathbf{V}_1 \\times \\mathbf{V}_2 =  \\begin{vmatrix}\n",
       "\\mathbf{i} & \\mathbf{j} & \\mathbf{k} \\\\\n",
       "\\frac{\\partial X}{\\partial u} &  \\frac{\\partial Y}{\\partial u} & 0 \\\\\n",
       "\\frac{\\partial X}{\\partial v} &  \\frac{\\partial Y}{\\partial v} & 0\n",
       "\\end{vmatrix}  \n",
       "\\end{equation*}\n",
       "```\n",
       "### Display\n",
       "\\begin{equation*}\n",
       "\\mathbf{V}_1 \\times \\mathbf{V}_2 =  \\begin{vmatrix}\n",
       "\\mathbf{i} & \\mathbf{j} & \\mathbf{k} \\\\\n",
       "\\frac{\\partial X}{\\partial u} &  \\frac{\\partial Y}{\\partial u} & 0 \\\\\n",
       "\\frac{\\partial X}{\\partial v} &  \\frac{\\partial Y}{\\partial v} & 0\n",
       "\\end{vmatrix}  \n",
       "\\end{equation*}"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "## The probability of getting \\(k\\) heads when flipping \\(n\\) coins is\n",
       "### Source\n",
       "```\\begin{equation*}\n",
       "P(E)   = {n \\choose k} p^k (1-p)^{ n-k} \n",
       "\\end{equation*}\n",
       "```\n",
       "### Display\n",
       "\\begin{equation*}\n",
       "P(E)   = {n \\choose k} p^k (1-p)^{ n-k} \n",
       "\\end{equation*}"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "## An Identity of Ramanujan\n",
       "### Source\n",
       "```\\begin{equation*}\n",
       "\\frac{1}{\\Bigl(\\sqrt{\\phi \\sqrt{5}}-\\phi\\Bigr) e^{\\frac25 \\pi}} =\n",
       "1+\\frac{e^{-2\\pi}} {1+\\frac{e^{-4\\pi}} {1+\\frac{e^{-6\\pi}}\n",
       "{1+\\frac{e^{-8\\pi}} {1+\\ldots} } } } \n",
       "\\end{equation*}\n",
       "```\n",
       "### Display\n",
       "\\begin{equation*}\n",
       "\\frac{1}{\\Bigl(\\sqrt{\\phi \\sqrt{5}}-\\phi\\Bigr) e^{\\frac25 \\pi}} =\n",
       "1+\\frac{e^{-2\\pi}} {1+\\frac{e^{-4\\pi}} {1+\\frac{e^{-6\\pi}}\n",
       "{1+\\frac{e^{-8\\pi}} {1+\\ldots} } } } \n",
       "\\end{equation*}"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "## A Rogers-Ramanujan Identity\n",
       "### Source\n",
       "```\\begin{equation*}\n",
       "1 +  \\frac{q^2}{(1-q)}+\\frac{q^6}{(1-q)(1-q^2)}+\\cdots =\n",
       "\\prod_{j=0}^{\\infty}\\frac{1}{(1-q^{5j+2})(1-q^{5j+3})},\n",
       "\\quad\\quad \\text{for $|q|<1$}. \n",
       "\\end{equation*}\n",
       "```\n",
       "### Display\n",
       "\\begin{equation*}\n",
       "1 + \\frac{q^2}{(1-q)}+\\frac{q^6}{(1-q)(1-q^2)}+\\cdots =\n",
       "\\prod_{j=0}^{\\infty}\\frac{1}{(1-q^{5j+2})(1-q^{5j+3})},\n",
       "\\quad\\quad \\text{for $|q|<1$}. \n",
       "\\end{equation*}"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "## Maxwell's Equations\n",
       "### Source\n",
       "```\\begin{align}\n",
       "\\nabla \\times \\vec{\\mathbf{B}} -\\, \\frac1c\\, \\frac{\\partial\\vec{\\mathbf{E}}}{\\partial t} & = \\frac{4\\pi}{c}\\vec{\\mathbf{j}} \\\\   \\nabla \\cdot \\vec{\\mathbf{E}} & = 4 \\pi \\rho \\\\\n",
       "\\nabla \\times \\vec{\\mathbf{E}}\\, +\\, \\frac1c\\, \\frac{\\partial\\vec{\\mathbf{B}}}{\\partial t} & = \\vec{\\mathbf{0}} \\\\\n",
       "\\nabla \\cdot \\vec{\\mathbf{B}} & = 0 \n",
       "\\end{align}\n",
       "```\n",
       "### Display\n",
       "\\begin{align}\n",
       "\\nabla \\times \\vec{\\mathbf{B}} -\\, \\frac1c\\, \\frac{\\partial\\vec{\\mathbf{E}}}{\\partial t} & = \\frac{4\\pi}{c}\\vec{\\mathbf{j}} \\\\   \\nabla \\cdot \\vec{\\mathbf{E}} & = 4 \\pi \\rho \\\\\n",
       "\\nabla \\times \\vec{\\mathbf{E}}\\, +\\, \\frac1c\\, \\frac{\\partial\\vec{\\mathbf{B}}}{\\partial t} & = \\vec{\\mathbf{0}} \\\\\n",
       "\\nabla \\cdot \\vec{\\mathbf{B}} & = 0 \n",
       "\\end{align}"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "# Equation Numbering and References\n",
       "\n",
       "---\n",
       "\n",
       "Equation numbering and referencing will be available in a future version of IPython."
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "# Inline Typesetting (Mixing Markdown and TeX)\n",
       "\n",
       "---\n",
       "\n",
       "While display equations look good for a page of samples, the ability to mix math and *formatted* **text** in a paragraph is also important.\n",
       "\n",
       "## Source\n",
       "``` This expression $\\sqrt{3x-1}+(1+x)^2$ is an example of a TeX inline equation in a **[Markdown-formatted](http://daringfireball.net/projects/markdown/)** sentence.  \n",
       "```\n",
       "## Display\n",
       "This expression $\\sqrt{3x-1}+(1+x)^2$ is an example of a TeX inline equation in a **[Markdown-formatted](http://daringfireball.net/projects/markdown/)** sentence.  "
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "# Other Syntax\n",
       "\n",
       "---\n",
       "\n",
       "You will notice in other places on the web that `$$` are needed explicitly to begin and end MathJax typesetting.  This is **not** required if you will be using TeX environments, but the IPython notebook will accept this syntax on legacy notebooks.  \n",
       "\n",
       "### Source\n",
-      "```$$\n",
+      "```\n",
+      "$$\n",
       "\\begin{array}{c}\n",
       "y_1 \\\\\\\n",
       "y_2 \\mathtt{t}_i \\\\\\\n",
       "z_{3,4}\n",
       "\\end{array}\n",
       "$$\n",
       "```\n",
       "\n",
       "```\n",
       "$$\n",
       "\\begin{array}{c}\n",
       "y_1 \\cr\n",
       "y_2 \\mathtt{t}_i \\cr\n",
       "y_{3}\n",
       "\\end{array}\n",
       "$$\n",
       "```\n",
       "\n",
       "```\n",
       "$$\\begin{eqnarray} \n",
       "x' &=& &x \\sin\\phi &+& z \\cos\\phi \\\\\n",
       "z' &=& - &x \\cos\\phi &+& z \\sin\\phi \\\\\n",
       "\\end{eqnarray}$$\n",
       "```\n",
       "\n",
       "```\n",
       "$$\n",
       "x=4\n",
       "$$\n",
       "```\n",
       "\n",
       "### Display\n",
       "$$\n",
       "\\begin{array}{c}\n",
       "y_1 \\\\\\\n",
       "y_2 \\mathtt{t}_i \\\\\\\n",
       "z_{3,4}\n",
       "\\end{array}\n",
       "$$\n",
       "\n",
       "$$\n",
       "\\begin{array}{c}\n",
       "y_1 \\cr\n",
       "y_2 \\mathtt{t}_i \\cr\n",
       "y_{3}\n",
       "\\end{array}\n",
       "$$\n",
       "\n",
       "$$\\begin{eqnarray} \n",
       "x' &=& &x \\sin\\phi &+& z \\cos\\phi \\\\\n",
       "z' &=& - &x \\cos\\phi &+& z \\sin\\phi \\\\\n",
       "\\end{eqnarray}$$\n",
       "\n",
       "$$\n",
       "x=4\n",
       "$$"
      ]
     }
    ],
    "metadata": {}
   }
  ]
 }
  No newline at end of file