-If you have a [[ikiwiki/blog]] that is aggregated, either on a site like Planet
+If you have a [[blog]] that is aggregated, either on a site like Planet
Debian, or just through user subscriptions, one common problem is that
changes to the guids of items in the blog can "flood" the aggregator,
causing all recent blog entries to be posted to the top of it.
Where "old_post" is the name of the last post you made to the blog before
making the change. This will limit the feed to only newer posts, while stil
displaying the old posts in the blog page.
+
+Alternatively, you can add the [[plugins/meta]] guid directives to pages,
+to force the old url to be used.