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directive
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<p class="pagedate">
<strong>Posted <span class="date">Sex 13 Mai 2011 13:06:00 BRT</span></strong>
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<p>Directives are similar to a <a href="../wikilink/">WikiLink</a> in form, except they
begin with <code>!</code> and may contain parameters. The general form is:</p>
<pre><code>[[!directive param="value" param="value"]]
</code></pre>
<p>This gets expanded before the rest of the page is processed, and can be used
to transform the page in various ways.</p>
<p>The quotes around values can be omitted if the value is a simple word.
Also, some directives may use parameters without values, for example:</p>
<pre><code>[[!tag foo]]
</code></pre>
<p>A directive does not need to all be on one line, it can be
wrapped to multiple lines if you like:</p>
<pre><code>[[!directive foo="baldersnatch"
bar="supercalifragilisticexpialidocious" baz=11]]
</code></pre>
<p>Also, multiple lines of <em>quoted</em> text can be used for a value.
To allow quote marks inside the quoted text, delimit the block
of text with triple-double-quotes or triple-single-quotes:</p>
<pre><code>[[!directive text="""
1. "foo"
2. "bar"
3. "baz"
""" othertext='''
1. 'quux'
2. "foo"
''']]
</code></pre>
<p>If you want to put text with triple quotes into a parameter value, you can
use perl-style here-doc syntax, even nesting it like this:</p>
<pre><code>[[!directive text=<<OUTER
[[!otherdirective <<INNER
inner text
INNER]]
outer text
OUTER]]
</code></pre>
<p>ikiwiki also has an older syntax for directives, which requires a space in
directives to distinguish them from <a href="../wikilink/">wikilinks</a>. This
syntax has several disadvantages: it requires a space after directives with
no parameters (such as <code>[[pagecount ]]</code>), and it prohibits spaces in
<a href="../wikilink/">wikilinks</a>. ikiwiki now provides the <code>!</code>-prefixed
syntax shown above as default. However, ikiwiki still supports wikis using
the older syntax, if the <code>prefix_directives</code> option is disabled.</p>
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