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Markdown Enhancements

 

You need set the variable true in the _config.yml or in the YAML Front Matter to enable markdown enhancement.

Enhancemen Name Description  
Mathjax Make it easy to add mathematics in articles, using MathML, LaTeX and ASCIIMathML markup EXAMPLES
Mermaid Bring diagrams and flowcharts in articles EXAMPLES
Chart Bring charts in articles EXAMPLES

Mathjax

When \(a \ne 0\), there are two solutions to \(ax^2 + bx + c = 0\) and they are

\[x_1 = {-b + \sqrt{b^2-4ac} \over 2a}\] \[x_2 = {-b - \sqrt{b^2-4ac} \over 2a} \notag\]

markdown:

When $$a \ne 0$$, there are two solutions to $$ax^2 + bx + c = 0$$ and they are
$$x_1 = {-b + \sqrt{b^2-4ac} \over 2a}$$
$$x_2 = {-b - \sqrt{b^2-4ac} \over 2a} \notag$$

After MathJax enabled, you can set mathjax_autoNumber: true to have equations be numbered automatically, You can use \notag or \nonumber to prevent individual equations from being numbered.

Mermaid

graph TB;
    A[Do you have a problem in your life?]
    B[Then don't worry]
    C[Can you do something about it?]
    A--no-->B;
    A--yes-->C;
    C--no-->B;
    C--yes-->B;

markdown:

```mermaid
graph TB;
    A[Do you have a problem in your life?]
    B[Then don't worry]
    C[Can you do something about it?]
    A--no-->B;
    A--yes-->C;
    C--no-->B;
    C--yes-->B;
```

Mermaid supports 3 kinds of diagram:

Chart

{
  "type": "line",
  "data": {
    "labels": [
      "January",
      "February",
      "March",
      "April",
      "May",
      "June",
      "July"
    ],
    "datasets": [
      {
        "label": "# of bugs",
        "fill": false,
        "lineTension": 0.1,
        "backgroundColor": "rgba(75,192,192,0.4)",
        "borderColor": "rgba(75,192,192,1)",
        "borderCapStyle": "butt",
        "borderDash": [],
        "borderDashOffset": 0,
        "borderJoinStyle": "miter",
        "pointBorderColor": "rgba(75,192,192,1)",
        "pointBackgroundColor": "#fff",
        "pointBorderWidth": 1,
        "pointHoverRadius": 5,
        "pointHoverBackgroundColor": "rgba(75,192,192,1)",
        "pointHoverBorderColor": "rgba(220,220,220,1)",
        "pointHoverBorderWidth": 2,
        "pointRadius": 1,
        "pointHitRadius": 10,
        "data": [
          65,
          59,
          80,
          81,
          56,
          55,
          40
        ],
        "spanGaps": false
      }
    ]
  },
  "options": {}
}

markdown:

```chart
{
  "type": "polarArea",
  "data": {
    "datasets": [
      {
        "data": [
          11,
          16,
          7,
          3,
          14
        ],
        "backgroundColor": [
          "#FF6384",
          "#4BC0C0",
          "#FFCE56",
          "#E7E9ED",
          "#36A2EB"
        ],
        "label": "My dataset"
      }
    ],
    "labels": [
      "Red",
      "Green",
      "Yellow",
      "Grey",
      "Blue"
    ]
  },
  "options": {}
}
```

Chart.js supports 7 kinds of chart:

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