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    • Markdown Cheat Sheet
    • Using Math in Planum
v2.0.0 Docs

Writing your First Doc

Let's get you started with writing your first doc! This page will help you understand the layout and adding content such as images, links, and codeblocks to your docs.

If you are unsure about where to make your file or how to name one, check the Getting Started page first.

Layout

Here is the layout of a typical doc file:

---
title         : Getting started
date          : 2024-03-18
description   : Useful information for starting with Planum Docs
next          : writing_first_doc.md
prev          : installation.md
sort          : 2
alias         : Getting Started
---

Your content goes here.
  • title: The title of the doc and the HTML page. If not present, the file name is used as the title.
  • date (optional): This shows up on top of the page. You may wish to update it when you make changes to the doc. The date is read in UTC time.
  • description (recommended): This shows up under the title on the doc page. For better SEO, it is recommended to have a description for meta tags. As such, no markdown is allowed.
  • next (optional): The link to next doc. This is used to create a "Next" button on buttom of the doc page.
  • prev (optional): The link to previous doc. This creates a "Previous" button.
  • sort (optional): The order in which the doc appears in the sidebar. The lower the number, the higher it appears.
  • alias (optional): The name that appears in the sidebar. If not present, the title is used.

Note
In next and prev, omit the .md extension.

Content Formatting

The content is written in markdown format. If you are not familiar with markdown, you can check the Markdown Guide.

Using Images and Assets

You can add your assets directly in the public/assets directory or make sub-directories for organization. To use an image in your doc, you can use the following markdown:

![Alt text](/assets/image_name.png)

For best performance, it is recommended to convert images to WebP format and use maximum width of 1000px. You can use tools like CloudConvert to convert images to WebP.

Linking other Docs

[link title](folder_1/folder_2/doc)

Important
Notice that when linking, omit the .md extension. It is recommended to use relative paths, i.e., not starting with /. To go up a directory, use ../.

Codeblocks

You can customize codeblocks by using attributes. There are five attributes available:

Attribute Example Values Description
color ="good", ="bad" Colors the codeblock
lines Show line numbers
title ="any string" Add a title to the codeblock
highlight ="1,3-5,7-*" Highlight specific lines in the codeblock
start ="4" Start line number; Use with lines attribute

Important
To use attributes, you need to specify the language name. If you are not using a language, you can use text as the language.

Add Color for Context

There are two ways to color codeblocks:

  1. Green: Using attribute color="good"

    ```python color="good"
    i = 0
    while i < len(books):
        print(books[i])
        i += 1
    ```

    This will render like this

    i = 0
    while i < len(books):
        print(books[i])
        i += 1
  2. Red: Using attribute color="bad"

    for book in books:
        print(book)

Add Title

title="Your Title"

Usage is same as color attribute. Example:

Print Books
for book in books: print(book)

Show Line Numbers

Add line numbers to your codeblocks by using lines attribute.

```python lines
i = 0
while i < len(books):
    print(books[i])
    i += 1
```

This will render like this

i = 0
while i < len(books):
    print(books[i])
    i += 1

Start Line Number

start="5"

Use with attribute: lines
Default value: 1

You can specify the starting line number using the start attribute.

for book in books:
    print(book)

Line Highlighting

highlight="2,4-5,7-*"

Line numbers are relative to the start attribute.

This will highlight lines 2, 4 to 5, and all lines starting from 7 to end. Attribute values are separated by commas.

# List of books
books = ["Book 1", "Book 2", "Book 3", "Book 4", "Book 5"]

for book in books:
    print(book)

print("Done")
print("🎉")
Format
  • 2: Highlights line 2.
  • 4-5: Highlights all lines between and including 4 and 5.
  • 7-*: Highlights all lines starting from 7 to the last.
  • *-10: Highlights all lines from first to 10.

Using Multiple Attributes

You can use multiple attributes in a codeblock.

color="good" title="Print Books" lines highlight="3,5-6,8-*" start="3"

Print Books
books = ["Book 1", "Book 2", "Book 3", "Book 4", "Book 5"] for book in books: print(book) print("Done")

Alert Blockquotes

These use the same format as GitHub. The first line needs to indicate the alert type.

Note

> [!NOTE]
> This is a note.

Note
This is a note.

Tip

> [!TIP]
> This is a tip.

Tip
This is a tip.

Important

> [!IMPORTANT]
> Crutial information comes here

Important
Crutial information comes here.

Caution

> [!CAUTION]
> Negative potential consequences of an action.

Caution
Negative potential consequences of an action.

Warning

> [!WARNING]
> Critical content comes here.

Warning
Critical content comes here.

Embed Iframes

You can embed iframes in your docs. This can be useful for embedding videos, maps, and other content.

YouTube Video

<iframe width="100%" style="aspect-ratio:16/9;" src="https://www.youtube.com/embed/dQw4w9WgXcQ?si=zlbpakY2yEUGQZBp" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>

Codepen

<iframe height="500" style="width: 100%;" scrolling="no" title="Game of Life" src="https://codepen.io/gauravjot/embed/preview/gOqJmGL?default-tab=result" frameborder="no" loading="lazy" allowtransparency="true" allowfullscreen="true">
  See the Pen <a href="https://codepen.io/gauravjot/pen/gOqJmGL">
  Game of Life</a> by Gauravjot Garaya (<a href="https://codepen.io/gauravjot">@gauravjot</a>)
  on <a href="https://codepen.io">CodePen</a>.
</iframe>

Complete Markdown Reference

Please check following resources to learn more about markdown that works with Planum Docs:

  • Using Math in Planum
  • Markdown Cheatsheet

Using HTML

You can also use HTML in your docs. This can be useful for adding custom elements, styling, or just adding new lines using <br>.

However, it is recommended to use markdown as much as possible. Embedding non-verified HTML such as images, iframes, and scripts that are not controlled directly by you can be a security risk.

Previous
Getting started
Next
Configuring Planum
TABLE OF CONTENTS
  • Layout
  • Content Formatting
  • Using Images and Assets
  • Linking other Docs
  • Codeblocks
  • Add Color for Context
  • Add Title
  • Show Line Numbers
  • Start Line Number
  • Line Highlighting
  • Using Multiple Attributes
  • Alert Blockquotes
  • Note
  • Tip
  • Important
  • Caution
  • Warning
  • Embed Iframes
  • Complete Markdown Reference
  • Using HTML