| Name | heading |
| Type | non-capturing block |
| Syntax | 1 to 6 plus-signs at the beginning of a line, followed by a space, followed by the heading text |
| Key | Type | Description |
id_prefix | string | When generating internal table-of-contents heading identifiers, use this prefix; default is 'toc'. |
| Format | Key | Type | Description |
Xhtml | css_h1 | string | The CSS class to use for the <h1> tag. |
Xhtml | css_h2 | string | The CSS class to use for the <h2> tag. |
Xhtml | css_h3 | string | The CSS class to use for the <h3> tag. |
Xhtml | css_h4 | string | The CSS class to use for the <h4> tag. |
Xhtml | css_h5 | string | The CSS class to use for the <h5> tag. |
Xhtml | css_h6 | string | The CSS class to use for the <h6> tag. |
Use this rule to generate section headings. For example, the following markup…
+ Heading Level 1 ++ Heading Level 2 +++ Heading Level 3 ++++ Heading Level 4 +++++ Heading Level 5 ++++++ Heading Level 6 ++++++ + There is no level 7
…produces this output:
= Heading Level 6 =
= + There is no level 7 =