# Additional tests with html4css1

# Section heading levels

# Level 1

Nested sections

## Level 2

reach at some level

### Level 3

(depending on the document class and output format)

#### level 4

a level

##### level 5

that is not supported by the output format.

###### level 6

Unsupported in LaTeX and HTML5 (HTML5 reserves the 1st level for the document title).

###### level 7

Unsupported in HTML4.

###### level 8

Unsupported in ODT.

# Section titles with inline markup

## emphasized, H2O, x2, and references

## Substitutions work

Note, that the "reference name" for this section is derived from the content before substitution. This may be exploited to get intelligible IDs after identifier normalization of the section's reference name.