update, add some examples

diff --git a/doc/usage.mdwn b/doc/usage.mdwn
index b6af75ac81dcd104a3d7be95578de49bf9ef0045..e411b127a406c9fde7f69c31853bdd7e7050ebdf 100644 (file)
--- a/doc/usage.mdwn
+++ b/doc/usage.mdwn
@@ -6,7 +6,7 @@ ikiwiki - a wiki compiler
 
 ikiwiki [options] source destination
 
-ikiwiki --setup configfile
+ikiwiki --setup setupfile
 
 # DESCRIPTION
 
@@ -30,19 +30,19 @@ These options control the mode that ikiwiki operates in.
 
   Force a rebuild of all pages.
 
-* --setup configfile
+* --setup setupfile
 
   In setup mode, ikiwiki reads the config file, which is really a perl
   program that can call ikiwiki internal functions.
 
   The default action when --setup is specified is to automatically generate
-  wrappers for a wiki based on data in a config file, and rebuild the wiki.
+  wrappers for a wiki based on data in a setup file, and rebuild the wiki.
   If you only want to build any changed pages, you can use --refresh with
   --setup.
 
-* --dumpsetup configfile
+* --dumpsetup setupfile
 
-  Causes ikiwiki to write to the specified config file, dumping out
+  Causes ikiwiki to write to the specified setup file, dumping out
   its current configuration.
 
 * --wrappers
@@ -103,7 +103,8 @@ These options control the mode that ikiwiki operates in.
 # CONFIG OPTIONS
 
 These options configure the wiki. Note that [[plugins]] can add additional
-configuration options of their own.
+configuration options of their own. All of these options and more besides can
+also be configured using a setup file.
 
 * --wikiname
 
@@ -316,10 +317,28 @@ configuration options of their own.
 * --set var=value
   
   This allows setting an arbitrary configuration variable, the same as if it
-  were set via a configuration file. Since most options can be configured
+  were set via a setup file. Since most options can be configured
   using command-line switches, you will rarely need to use this, but it can be
   useful for the odd option that lacks a command-line switch.
 
+# EXAMPLES
+
+* ikiwiki --setup my.setup
+
+  Completly (re)build the wiki using the specified setup file.
+
+* ikiwiki --setup my.setup --refresh
+
+  Refresh the wiki, using settings from my.setup, and avoid
+  rebuilding any pages that have not changed. This is faster.
+
+* ikiwiki --setup my.setup --refresh --wrappers
+
+  Refresh the wiki, including regnerating all wrapper programs,
+  but do not rebuild all pages. Useful if you have changed something
+  in the setup file that does not need a full wiki rebuild to update
+  all pages, but that you want to immediatly take effect.
+
 # ENVIRONMENT
 
 * CC