don't fail if %config is not set

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

diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn
index 67f1cf2baabf23a1b8cbe8c03cf428f13f56d3be..e8ba0a6abe6826924b8e41aee71b3ceea50ae13e 100644 (file)
--- a/doc/plugins/write.mdwn
+++ b/doc/plugins/write.mdwn
@@ -123,7 +123,7 @@ make arbitrary changes. The function is passed named parameters "page",
 
 ### preprocess
 
-Adding a [[ikiwiki/PreProcessorDirective]] is probably the most common use
+Adding a preprocessor [[ikiwiki/directive]] is probably the most common use
 of a plugin.
 
         hook(type => "preprocess", id => "foo", call => \&preprocess);
@@ -158,7 +158,7 @@ can assume it's being run in scan mode, and avoid doing expensive things at
 that point.)
 
 Note that if the [[htmlscrubber]] is enabled, html in
-[[ikiwiki/PreProcessorDirective]] output is sanitised, which may limit what
+preprocessor [[ikiwiki/directive]] output is sanitised, which may limit what
 your plugin can do. Also, the rest of the page content is not in html
 format at preprocessor time. Text output by a preprocessor directive will
 be linkified and passed through markdown (or whatever engine is used to
@@ -192,6 +192,7 @@ return the htmlized content.
 
        hook(type => "pagetemplate", id => "foo", call => \&pagetemplate);
 
+
 [[Templates|wikitemplates]] are filled out for many different things in
 ikiwiki, like generating a page, or part of a blog page, or an rss feed, or
 a cgi. This hook allows modifying the variables available on those
@@ -356,7 +357,7 @@ This hook is called whenever ikiwiki normally saves its state, just before
 the state is saved. The function can save other state, modify values before
 they're saved, etc.
 
-## renamepage
+### renamepage
 
        hook(type => "renamepage", id => "foo", call => \&renamepage);
 
@@ -448,8 +449,8 @@ your ikiwiki setup file, which sets the hash content to configure the wiki.
 
 The `%pagestate` hash can be used by plugins to save state that they will need
 next time ikiwiki is run. The hash holds per-page state, so to set a value,
-use `%pagestate{$page}{$id}{$key}=$value`, and to retrieve the value,
-use `%pagestate{$page}{$id}{$key}`.
+use `$pagestate{$page}{$id}{$key}=$value`, and to retrieve the value,
+use `$pagestate{$page}{$id}{$key}`.
 
 The `$value` can be anything that perl's Storable module is capable of
 serializing. `$key` can be any string you like, but `$id` must be the same
@@ -499,7 +500,7 @@ function that is called after the error message is printed, to do any final
 cleanup.
 
 If called inside a preprocess hook, error() does not abort the entire
-wiki build, but instead replaces the [[ikiwiki/PreProcessorDirective]] with
+wiki build, but instead replaces the preprocessor [[ikiwiki/directive]] with
 a version containing the error message.
 
 In other hooks, error() is a fatal error, so use with care. Try to avoid