\[[!meta field="value" param="value" param="value"]]
The first form sets a given field to a given value, while the second form
-also specifies some additional sub-parameters.
+also specifies some additional sub-parameters. You can have only one field
+per `meta` directive, use more directives if you want to specify more fields.
The field values are treated as HTML entity-escaped text, so you can include
a quote in the text by writing `"` and so on.
\[[!meta stylesheet=somestyle rel="alternate stylesheet"
title="somestyle"]]
+
+ However, this will be scrubbed away if the
+ [[!iki plugins/htmlscrubber desc=htmlscrubber]] plugin is enabled,
+ since it can be used to insert unsafe content.
+
+* script
+
+ Adds a script to a page. The script is treated as a wiki link to
+ a `.js` file in the wiki, so it cannot be used to add links to external
+ scripts. The optional `defer` and `async` keywords can be used to set
+ the corresponding HTML4 and HTML5 script options. Example:
+
+ \[[!meta script=somescript defer async]]
+
+ The tag is subject to scrubbing as with the stylesheet and link fields.
* openid
value. The date/time can be given in any format that
[[!cpan TimeDate]] can understand, just like the `date` field.
+* foaf
+
+ Adds a Friend of a Friend ([FOAF](http://wiki.foaf-project.org/w/Autodiscovery))
+ reference to a page.
+
+ Example:
+
+ \[[!meta foaf=foaf.rdf]]
+
If the field is not one of the above predefined fields, the metadata will be
written to the generated html page as a <meta> header. However, this
won't be allowed if the [[!iki plugins/htmlscrubber desc=htmlscrubber]] plugin is enabled,