Single escape (not double escape) square bracket.

[ikiwiki.git] / doc / ikiwiki / directive / meta.mdwn

diff --git a/doc/ikiwiki/directive/meta.mdwn b/doc/ikiwiki/directive/meta.mdwn
index bbf020c3e5306e5be4b5ae82035561b0e7cf925d..1f5bde964d088a31c430377ab44dd94ff60f752c 100644 (file)
--- a/doc/ikiwiki/directive/meta.mdwn
+++ b/doc/ikiwiki/directive/meta.mdwn
@@ -1,4 +1,4 @@
-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 directive allows inserting arbitrary metadata into the source of a page.
 Enter the metadata as follows:
@@ -23,6 +23,13 @@ Supported fields:
   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
@@ -37,14 +44,19 @@ Supported fields:
 
   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]] directive.
+  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
 
@@ -68,13 +80,18 @@ Supported 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""]]
 
@@ -91,7 +108,7 @@ Supported fields:
        \[[!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
@@ -108,7 +125,7 @@ Supported fields:
        \[[!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
@@ -139,9 +156,18 @@ Supported fields:
   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.
+
 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"]]