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

diff --git a/doc/plugins/write/external.mdwn b/doc/plugins/write/external.mdwn
index 272f74a7c9d76d59bb7df14cdfcfd04bcffd0a3b..a3fbe8a2cd0ade030ad38c01d042c596329bb089 100644 (file)
--- a/doc/plugins/write/external.mdwn
+++ b/doc/plugins/write/external.mdwn
@@ -1,7 +1,7 @@
 External plugins are standalone, executable programs, that can be written
 in any language. When ikiwiki starts up, it runs the program, and
-communicates with it using [XML RPC][xmlrpc]. If you want to [[write]] an external
-plugin, read on..
+communicates with it using [XML RPC][xmlrpc]. If you want to [[write]] an
+external plugin, read on..
 
 [xmlrpc]: http://www.xmlrpc.com/
 
@@ -85,8 +85,8 @@ language as part of their XML RPC interface.
 
 XML RPC has a limitation that it does not have a way to pass
 undef/NULL/None. There is an extension to the protocol that supports this,
-but it is not yet available in the [[!cpan XML::RPC]] library used by
-ikiwiki.
+but it is not yet available in all versions of the [[!cpan XML::RPC]] library
+used by ikiwiki.
 
 Until the extension is available, ikiwiki allows undef to be communicated
 over XML RPC by passing a sentinal value, a hash with a single key "null"
@@ -96,14 +96,13 @@ the sentinal.
 
 ## 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. 
 
-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
-"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