add a warning (exported) function to the core

[ikiwiki.git] / doc / plugins / write.mdwn

diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn
index 92e372cfab11b86d613e6ae15816c66774e2513e..4db02b532557addd28922fcf4c26ce1eda458586 100644 (file)
--- a/doc/plugins/write.mdwn
+++ b/doc/plugins/write.mdwn
@@ -321,6 +321,21 @@ This hook should avoid directly redirecting the user to a signin page,
 since it's sometimes used to test to see which pages in a set of pages a
 user can edit.
 
+### cansave
+
+       hook(type => "cansave", id => "foo", call => \&cansave);
+
+This hook can be used to implement arbitrary access methods to control
+when a page being edited can be saved using the web interface (commits
+from revision control bypass it).
+
+When a page is about to be saved, each registered cansave hook is
+called in turn, and passed the page name, the edited content, a CGI
+object and a session object.
+
+The return value of a cansave hook is interpreted the same as for the
+canedit hook.
+
 ### canremove
 
        hook(type => "canremove", id => "foo", call => \&canremove);
@@ -540,6 +555,10 @@ the id can be controled by the user.
 Logs a debugging message. These are supressed unless verbose mode is turned
 on.
 
+#### `warning($)`
+
+Logs a warning message.
+
 #### `error($;$)`
 
 Aborts with an error message. If the second parameter is passed, it is a