change obsolete example

diff --git a/doc/plugins/write/external.mdwn b/doc/plugins/write/external.mdwn
index 272f74a7c9d76d59bb7df14cdfcfd04bcffd0a3b..e30bf2ff3d8d4f3e0cf1054fba7a136dbf9910a3 100644 (file)
--- a/doc/plugins/write/external.mdwn
+++ b/doc/plugins/write/external.mdwn
@@ -96,14 +96,13 @@ the sentinal.
 
 ## Function injection
 
 
 ## Function injection
 

-Some parts of ikiwiki are extensible by adding functions. For example, the
-RCS interface relies on plugins providing several IkiWiki::rcs_* functions.
+Some parts of ikiwiki are extensible by adding or overriding functions.

 It's actually possible to do this from an external plugin too. 
 
 It's actually possible to do this from an external plugin too. 
 

-To make your external plugin provide an `IkiWiki::rcs_update` function, for
+To make your external plugin override the `IkiWiki::formattime` function, for

 example, make an RPC call to `inject`. Pass it named parameters "name" and
 "call", where "name" is the name of the function to inject into perl (here
 example, make an RPC call to `inject`. Pass it named parameters "name" and
 "call", where "name" is the name of the function to inject into perl (here

-"Ikiwiki::rcs_update" and "call" is the RPC call ikiwiki will make whenever
+"Ikiwiki::formattime" and "call" is the RPC call ikiwiki will make whenever

 that function is run.
 
 If the RPC call is memoizable, you can also pass a "memoize" parameter, set
 that function is run.
 
 If the RPC call is memoizable, you can also pass a "memoize" parameter, set