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#### 5.3.1 Overview

The tags can roughly be divided in 2 groups:

1. Documentation structure tags. These are needed for fpdoc to do it’s work. They determine what elements are documented. See table (5.1)
2. Text structure and formartting tags. These tags indicate blocks of text, such as paragraphs, tables, lists and remarks, but also specify formatting: apply formatting (make-up) to the text, or to provide links to other parts of the text. These mostly occur in text structure tags. See table (5.2)

Table 5.1: Documentation structure tags

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

Table 5.2: Text formatting tags

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:

- Each opening tag must have a corresponding closing tag.
- Tags are case sensitive.
- Tables and paragraphs are at the same level, i.e. a table cannot occur inside a paragraph. The same is true for all ’structural’ tags such as lists,

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:

<descr>
Some beginning text
<ol>
<li>A list item</li>
</ol>
some ending text
</descr>

Instead, the correct XML should be

<descr>
<p>Some beginning text</p>
<ol>
<li>A list item</li>
</ol>
<p>some ending text</p>
</descr>

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