* guid
- Specifies a globally unique ID for a page. This guid will be used,
- rather than the page url, to identify the page in RSS and Atom feeds.
+ Specifies a globally unique ID for a page. This guid should be a URI
+ (in particular, it can be `urn:uuid:` followed by a UUID, as per
+ [[!rfc 4122]]), and it will be used to identify the page's entry in RSS
+ and Atom feeds. If not given, the default is to use the page's URL as its
+ guid.
- The guid can either be a uuid (ie,
- "ec248d04-f347-4eb8-92b6-671b15d36980"), or it can be an alternative URL
- for the page.
-
- This is mostly useful when a page's feed has moved, to keep the guids for
+ This is mostly useful when a page has moved, to keep the guids for
pages unchanged and
- [[avoid_flooding_aggregators|howto_avoid_flooding_aggregators]].
+ [[avoid_flooding_aggregators|tips/howto_avoid_flooding_aggregators]].
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