Usage information.

[ikiwiki.git] / doc / ikiwiki-transition.mdwn

diff --git a/doc/ikiwiki-transition.mdwn b/doc/ikiwiki-transition.mdwn
index 3a3529454690ad251ab69db007ac27cbe2c98609..e0b853ecfb50b5ce40b11881e5ded73c5417d3c2 100644 (file)
--- a/doc/ikiwiki-transition.mdwn
+++ b/doc/ikiwiki-transition.mdwn
@@ -12,16 +12,15 @@ ikiwiki-transition type ...
 change in ikiwiki syntax. It also handles other transitions not involving
 wiki pages.
 
-# prefix_directives file ...
+# prefix_directives your.setup
 
-The `prefix_directives` mode converts the specified ikiwiki page from
-the old preprocessor directive syntax, requiring a space, to the new
-syntax, prefixed by '!'.
+The `prefix_directives` mode converts all pages from the old preprocessor
+directive syntax, requiring a space, to the new syntax, prefixed by '!'.
 
 Preprocessor directives which already use the new syntax will remain
 unchanged.
 
-Note that if the page contains wiki links with spaces, which some
+Note that if a page contains wiki links with spaces, which some
 older versions of ikiwiki accepted, the prefix_directives transition will
 treat these as preprocessor directives and convert them.
 
@@ -62,6 +61,13 @@ If this is not done explicitly, a user's plaintext password will be
 automatically converted to a hash when a user logs in for the first time
 after upgrade to ikiwiki 2.48.
 
+# deduplinks srcdir
+
+In the past, bugs in ikiwiki have allowed duplicate link information
+to be stored in its indexdb. This mode removes such duplicate information,
+which may speed up wikis afflicted by it. Note that rebuilding the wiki
+will have the same effect.
+
 # AUTHOR
 
 Josh Triplett <josh@freedesktop.org>, Joey Hess <joey@ikiwiki.info>