Add a postscan hook.

* Add a postscan hook.
* search: Use postscan hook, avoid updating index when previewing.

2 files changed, 13 insertions, 0 deletions

diff --git a/doc/bugs/search_plugin_and_CGI_preview.mdwn b/doc/bugs/search_plugin_and_CGI_preview.mdwn
index 71577cd7c..eb602cd9d 100644
--- a/doc/bugs/search_plugin_and_CGI_preview.mdwn
+++ b/doc/bugs/search_plugin_and_CGI_preview.mdwn
@@ -15,3 +15,5 @@ the problem, of course.
 Making the indexing only happen on a real commit might also speed the
 Preview up a small amount.
 --Chapman Flack
+
+[[tag done]]
diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn
index 4dc55e302..b4acb237d 100644
--- a/doc/plugins/write.mdwn
+++ b/doc/plugins/write.mdwn
@@ -216,6 +216,17 @@ modify the body of a page after it has been fully converted to html.
 The function is passed named parameters: "page", "destpage", and "content",
 and should return the sanitized content.
 
+### postscan
+
+	hook(type => "postscan", id => "foo", call => \&postscan);
+
+This hook is called once the full page body is available (but before the
+format hook). The most common use is to update search indexes. Added in
+ikiwiki 2.54.
+
+The function is passed named parameters "page" and "content". Its return
+value is ignored.
+
 ### format
 
 	hook(type => "format", id => "foo", call => \&format);