only issue with it is that it is run even when ikiwiki has not
rendered any updated pages. Bah, I think you do need the new hook, how
annoying..
+
+> * Depends whether the plugin would be on by default. If yes, then yes.
+> If the admin has to enable it, I'd think they'd want the error.
+> * Changed the other errors to warnings.
+> * The name might be wrong: there isn't anything rsync-specific about the
+> plugin, that's just the command I personally need to run. --[[schmonz]]
+
+>> One problem with the error is that it prevents dumping a new setup file with
+>> the plugin enabled, and then editing it to configure. ie:
+
+ joey@gnu:~>ikiwiki -setup .ikiwiki/joeywiki.setup -plugin rsync -dumpsetup new.setup
+ Must specify rsync_command
+
+> rsync seems by far the most likely command, though someone might use something
+> to push via ftp instead. I think calling it rsync is ok. --[[Joey]]