more doco

doc/hook/probe_well_known.bb

@@ -1 +1,3 @@
 [h2]probe_well_known[/h2]
+
+This hook is under construction and not currently used - see include/probe.php

doc/hook/validate_channelname.bb

@@ -1 +1,23 @@
 [h2]validate_channelname[/h2]
+
+Called when creating a new channel or changing the channel name in mod/settings.php
+
+Hook data consists of an array 
+
+	array(
+		'name' => supplied name
+	);
+
+	If the hook handler determines the name is valid, do nothing. If there is an issue with the name,
+	set $hook_data['message'] to the message text which should be displayed to the member - and the name will
+	not be accepted. 
+
+
+	Example:
+	[code]
+		if(mb_strlen($hook_data['name']) < 3)
+			$hook_data['message'] = t('Name too short.');
+	[/code]
+
+
+