-The `meta` directive is supplied by the [[!iki plugins/meta]] plugin.
+The `meta` directive is supplied by the [[!iki plugins/meta desc=meta]] plugin.
-This plugin allows inserting arbitrary metadata into the source of a page.
+This directive allows inserting arbitrary metadata into the source of a page.
Enter the metadata as follows:
\[[!meta field="value"]]
\[[!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.
be set to a true value in the template; this can be used to format things
differently in this case.
+ An optional `sortas` parameter will be used preferentially when
+ [[ikiwiki/pagespec/sorting]] by `meta(title)`:
+
+ \[[!meta title="The Beatles" sortas="Beatles, The"]]
+
+ \[[!meta title="David Bowie" sortas="Bowie, David"]]
+
* license
Specifies a license for the page, for example, "GPL". Can contain
Specifies the author of a page.
+ An optional `sortas` parameter will be used preferentially when
+ [[ikiwiki/pagespec/sorting]] by `meta(author)`:
+
+ \[[!meta author="Joey Hess" sortas="Hess, Joey"]]
+
* authorurl
Specifies an url for the author of a page.
* description
- Specifies a "description" of the page. You could use this to provide
- a summary, for example, to be picked up by the [[map]] plugin.
+ Specifies a short description for the page. This will be put in
+ the html header, and can also be displayed by eg, the [[map]] directive.
* permalink
\[[!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
Adds html <link> tags to perform OpenID delegation to an external
- OpenID server (for `openid` and `openid2`). An optional `xrds-location`
+ OpenID server. This lets you use an ikiwiki page as your OpenID.
+
+ By default this will delegate for both `openid` and `openid2`. To only
+ delegate for one, add a parameter such as `delegate=openid`.
+
+ An optional `xrds-location`
parameter lets you specify the location of any [eXtensible Resource
DescriptorS](http://www.windley.com/archives/2007/05/using_xrds.shtml).
- This lets you use an ikiwiki page as your OpenID. Example:
+ Example:
- \\[[!meta openid="http://joeyh.myopenid.com/"
+ \[[!meta openid="http://joeyh.myopenid.com/"
server="http://www.myopenid.com/server"
xrds-location="http://www.myopenid.com/xrds?username=joeyh.myopenid.com""]]
\[[!meta link="http://joeyh.myopenid.com/" rel="openid.delegate"]]
However, this latter syntax won't be allowed if the
- [[!iki plugins/htmlscrubber]] plugin is enabled, since it can be used to
+ [[!iki plugins/htmlscrubber desc=htmlscrubber]] plugin is enabled, since it can be used to
insert unsafe content.
* redir
\[[!meta redir="http://example.com/"]]
However, this latter syntax won't be allowed if the
- [[!iki plugins/htmlscrubber]] plugin is enabled, since it can be used to
+ [[!iki plugins/htmlscrubber desc=htmlscrubber]] plugin is enabled, since it can be used to
insert unsafe content.
For both cases, an anchor to jump to inside the destination page may also be
some combinations make sense. If there is no robots meta tag, "index,
follow" is used as the default.
- The plugin escapes the value, but otherwise does not care about its
- contents. In particular, it does not check the values against the set of
- valid values but serves whatever you pass it.
+ The value is escaped, but its contents are not otherwise checked.
* guid
pages unchanged and avoid_flooding_aggregators
(see [[!iki tips/howto_avoid_flooding_aggregators]]).
+* updated
+
+ Specifies a fake modification time for a page, to be output into RSS and
+ Atom feeds. This is useful to avoid flooding aggregators that sort by
+ modification time, like Planet: for instance, when editing an old blog post
+ to add tags, you could set `updated` to be one second later than the original
+ 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]] plugin is enabled,
+won't be allowed if the [[!iki plugins/htmlscrubber desc=htmlscrubber]] plugin is enabled,
since it can be used to insert unsafe content.
[[!meta robots="noindex, follow"]]