add example config and PageActions

i should really stick this in another file... oh well

PageActions.example.txt

@@ -0,0 +1,21 @@
+(:Summary:Contains the '[[PmWiki/AvailableActions|action]]' links (like Browse, Edit, History, etc.), placed at the top of the page, see [[PmWiki/site page actions]]:)
+(:comment This page can be somewhat complex to figure out the first time you see it. Its contents are documented at PmWiki.SitePageActions if you need help. :)
+(:if name *-Talk:)
+* [[{*$BaseName}|Page]]
+(:else:)
+* [[{*$BaseName}-Talk|Talk]]
+(:ifend:)
+* %item rel=nofollow class=browse    accesskey='$[ak_view]'%      [[{*$FullName}               | $[View] ]]
+* %item rel=nofollow class=edit      accesskey='$[ak_edit]'%      [[{*$FullName}?action=edit   | $[Edit] ]]
+* %item rel=nofollow class=diff      accesskey='$[ak_history]'%   [[{*$FullName}?action=diff   | $[History] ]]
+(:if auth upload:)
+* %item rel=nofollow class=upload    accesskey='$[ak_attach]'%    [[{*$FullName}?action=upload | $[Attach] ]]
+(:ifend:)
+* %item rel=nofollow class=print     accesskey='$[ak_print]'%     [[{*$FullName}?action=print  | $[Print] ]]
+(:if group Site,SiteAdmin,Cookbook,Profiles,PmWiki*:) (:comment delete if and ifend to enable backlinks:)
+* %item rel=nofollow class=backlinks accesskey='$[ak_backlinks]'% [[{*$Name}?action=search&q=link={*$FullName} | $[Backlinks] ]]
+(:ifend:)
+(:if enabled AuthPw:)
+* %item rel=nofollow class=logout    accesskey="$[ak_logout]"%''  [-[[{*$FullName}?action=logout | $[Logout] ]]-]''
+(:ifend:)
+

config.example.php

@@ -0,0 +1,28 @@
+<?php
+$WikiTitle = "example";
+
+$DefaultPasswords['admin'] = pmcrypt('hackme');
+
+$EnableUpload = 1;
+$DefaultPasswords['upload'] = pmcrypt('hackme');
+
+$ScriptUrl = 'https://example.com/wiki/';
+
+$Skin = "pmwiki-plain-responsive";
+
+$DefaultGroup = 'Example';
+
+include_once("scripts/xlpage-utf-8.php");
+
+$EnableBlocklist = 10;
+
+if ($action == 'rss')  include_once("scripts/feeds.php");
+if ($action == 'atom') include_once("scripts/feeds.php");
+
+$BaseNamePatterns['/(-Talk|-Users)$/i'] = '';
+
+$PmTOC['Enable'] = 1;
+
+include_once("$FarmD/cookbook/footnote2.php");
+include_once("$FarmD/scripts/refcount.php");
+

footnote2.php

@@ -59,6 +59,7 @@ SDV($FootnoteBacklinkCharacter, '⇑');
 Markup("[^",'<split','/\[\^(.*?)\^\]/s',"Footnote");
 Markup("checkbox", "inline", "/\[ \]/", "<input type=checkbox class=checkbox disabled>");
 Markup("checkedbox", "inline", "/\[x\]/", "<input type=checkbox class=checkbox disabled checked>");
+Markup("citationneeded", "inline", "/\{\{(cn|[Cc]itation needed)(\|(reason|date)=.+?)?\}\}/", "<sup>[<em>citation needed</em>]</sup>");
 
 function Footnote($m) {
 	static $fngroup = 1, $fncount = 0, $fntext = array();
@@ -83,7 +84,7 @@ function Footnote($m) {
 		}
 		$fnid = $fngroup . '_' . $fncount;
 	
-		$out = ($fn_str_parts[2] != '' && $fntext[$fncount] == '#') ? '' : "<sup><a class='footnote' id='fnr$fnid' href='#fn$fnid'>[$fncount]</a></sup>";
+		$out = (isset($fn_str_parts[2]) && $fn_str_parts[2] != '' && $fntext[$fncount] == '#') ? '' : "<sup><a class='footnote' id='fnr$fnid' href='#fn$fnid'>[$fncount]</a></sup>";
 		global $FootnoteBacklinkCharacter;
 		if ($fn_str != '') {
 			$fntext[$fncount] = "<div class='footnote' id='fn$fnid'>\n" .