The tags can roughly be divided in 2 groups:
| Tag | Description | Page |
| descr | Element description | 137 |
| element | Identifier documentation | 145 |
| errors | Error section | 147 |
| fpdoc-description | Global tag | 149 |
| module | Unit tag | 161 |
| package | Package global tab | 168 |
| seealso | Cross-reference section | 176 |
| short | Short description | 178 |
| topic | Topic page | 186 |
| Tag | Description | Page |
| b | Format bold | 131 |
| caption | Specify table caption | 133 |
| code | Syntax highlight code | 135 |
| dd | definition data | 139 |
| dl | definition list | 141 |
| dt | Definition term | 143 |
| i | format italics | 150 |
| img | include image | 152 |
| li | list element | 154 |
| link | Cross-reference | 156 |
| ol | numbered list | 163 |
| p | paragraph | 165 |
| pre | Preformatted text | 169 |
| remark | remark paragraph | 174 |
| table | Table | 180 |
| td | Table cell | 182 |
| th | Table header | 184 |
| tr | Table row | 188 |
| u | format underlined | 190 |
| ul | bulleted list | 192 |
| var | format as variable | 197 |
The nodes for formatting a text resemble closely the basic HTML formatting tags with the following exceptions:
Also, if special formatting tags such as a table or lists are inserted, then the remaining text must be inside a paragraph tag. This means that the following is wrong:
Instead, the correct XML should be