=={=html} tag is rendered for the zettel title. This syntax is often used in a similar way in wiki implementation. However, trailing equal signs are not removed, they are part of the heading text. If you use command line tools, you can easily create a draft table of contents with the command: ```sh grep -h '^====* ' ZETTEL_ID.zettel ```

To specify a (sub-) section of a zettel, you should use the headings syntax: at
the beginning of a new line type at least three equal signs (""''=''"", U+003D), plus at least one
space and enter the text of the heading as [[inline elements|00001007040000]].

```zmk
=== Level 1 Heading
==== Level 2 Heading
===== Level 3 Heading
====== Level 4 Heading
======= Level 5 Heading
======== Level 5 Heading
```
This renders in HTML as:
:::example
=== Level 1 Heading
==== Level 2 Heading
===== Level 3 Heading
====== Level 4 Heading
======= Level 5 Heading
======== Level 5 Heading
:::

=== Notes

The heading level is translated to an HTML heading by adding 1 to the level, e.g. ``=== Level 1 Heading``{=zmk} translates to ==<h2>Level 1 Heading</h2>=={=html}.
The ==<h1>=={=html} tag is rendered for the zettel title.

This syntax is often used in a similar way in wiki implementation.
However, trailing equal signs are __not__ removed, they are part of the heading text.

If you use command line tools, you can easily create a draft table of contents with the command:

```sh
grep -h '^====* ' ZETTEL_ID.zettel
```