The tags can roughly be divided in 2 groups:
| Tag | Description | Page | 
| descr | Element description | 165 | 
| element | Identifier documentation | 173 | 
| errors | Error section | 175 | 
| fpdoc-description | Global tag | 179 | 
| module | Unit tag | 191 | 
| package | Package global tab | 202 | 
| seealso | Cross-reference section | 210 | 
| short | Short description | 212 | 
| topic | Topic page | 220 | 
| Tag | Description | Page | 
| b | Format bold | 159 | 
| caption | Specify table caption | 161 | 
| code | Syntax highlight code | 163 | 
| dd | definition data | 167 | 
| dl | definition list | 169 | 
| dt | Definition term | 171 | 
| i | format italics | 180 | 
| img | include image | 182 | 
| li | list element | 184 | 
| link | Cross-reference | 186 | 
| ol | numbered list | 197 | 
| p | paragraph | 199 | 
| pre | Preformatted text | 203 | 
| remark | remark paragraph | 208 | 
| table | Table | 214 | 
| td | Table cell | 216 | 
| th | Table header | 218 | 
| tr | Table row | 222 | 
| u | format underlined | 224 | 
| ul | bulleted list | 226 | 
| var | format as variable | 231 | 
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