X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/3ebd4e0b45a8a6bd4c12604a3bb683dcb3a60eb8..7ee7773e2acd97c81a20a877400e8126e981b424:/doc/plugins/write.mdwn

diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn
index 668f8d8b6..133030f08 100644
--- a/doc/plugins/write.mdwn
+++ b/doc/plugins/write.mdwn
@@ -609,10 +609,22 @@ page created from it. (Ie, it appends ".html".)
 Use this when constructing the filename of a html file. Use `urlto` when
 generating a link to a page.
 
-#### `add_depends($$)`
+#### `add_depends($$;@)`
 
 Makes the specified page depend on the specified [[ikiwiki/PageSpec]].
 
+By default, dependencies are full content dependencies, meaning that the
+page will be updated whenever anything matching the PageSpec is modified.
+This default can be overridden by additional named parameters, which can be
+used to indicate weaker types of dependencies:
+
+* `presence` if set to true, only the presence of a matching page triggers
+  the dependency.
+* `links` if set to true, any change to links on a matching page
+  triggers the dependency. This includes when a link is added, removed,
+  or changes what it points to due to other changes. It does not include
+  the addition or removal of a duplicate link.
+
 #### `pagespec_match($$;@)`
 
 Passed a page name, and [[ikiwiki/PageSpec]], returns true if the