Optimize away most expensive file prune calls, when refreshing

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

diff --git a/doc/ikiwiki/directive/meta.mdwn b/doc/ikiwiki/directive/meta.mdwn
index 74db319435b346ce8aee6854717947c72c4d389e..000f461c9751f9fba13f7eba71880568819c654c 100644 (file)
--- a/doc/ikiwiki/directive/meta.mdwn
+++ b/doc/ikiwiki/directive/meta.mdwn
@@ -68,11 +68,16 @@ Supported fields:
 * openid
 
   Adds html <link> tags to perform OpenID delegation to an external
 * 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).
 
   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/"
        server="http://www.myopenid.com/server"
 
        \\[[!meta openid="http://joeyh.myopenid.com/"
        server="http://www.myopenid.com/server"


@@ -139,6 +144,15 @@ Supported fields:
   pages unchanged and avoid_flooding_aggregators
   (see [[!iki tips/howto_avoid_flooding_aggregators]]).
 
   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 desc=htmlscrubber]] plugin is enabled,
 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,