diff --git a/footnote2.php b/footnote2.php
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+<?php if (!defined('PmWiki')) exit();
+/** footnote2.php
+ *	handle footnotes in a page
+ *
+ *	AWColley 2007-08-05 -- created footnote.php
+ *	Extracted from extendmarkup.php Version 2.0.59
+ *	(see http://www.pmwiki.org/wiki/Cookbook/MarkupExtensions)
+ *
+ *	Copyright 2007 A. W. Colley
+ *	You may use this file however you see fit. I don't care.
+ *
+ *	Modified by Randy Brown to work with PHP 5.5 and to omit the blue line if no 
+ *	footnote is on the page. This allows a group footer to include [^#^] to show 
+ *	any footnotes present, without showing a blue line if there are none.
+ *
+ *	ExtendedMarkup.php Copyright 2004-2006 John Rankin (john.rankin@affinity.co.nz)
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published
+ *	by the Free Software Foundation; either version 2 of the License, or
+ *	(at your option) any later version.
+ *
+ *	THIS SOFTWARE IS PROVIDED AS IS WITHOUT ANY GUARANTEES FOR SUITABLILITY FOR
+ *	ANY PURPOSE. THE COPYRIGHT HOLDERS ARE NOT RESPONSIBLE FOR ANY DAMAGES, WHETHER
+ *	DIRECT, INDIRECT, OR TOTALLY UNRELATED THAT MAY ACCOMPANY, RESULT FROM, OR FOR
+ *	ANY REASON OCCUR AFTER THE USE OF, PERUSAL OF, OR THINKING ABOUT THIS SOFTWARE.
+ *
+ *
+ *	If you don't like the thin blue line, change it in the "div.footnote" style
+ *	below.
+ */
+# Version date
+$RecipeInfo['footnote2']['Version'] = '2021-06-26';
+
+$HTMLStylesFmt['footnote2'] = "
+.footnote_block_begin { 
+	width: 160px; 
+	border-bottom: 1px solid black;
+	margin-bottom: 0.5em;
+}
+div.footnote {
+	margin: 0 3em 0.5em 0;
+	padding-left: 2em;
+	font-size: 0.9em;
+	position: relative;
+}
+div.footnote .footnote-number {
+	position: absolute;
+	left: 0;
+	width: 1.5em;
+	text-align: right;
+}
+div.footnote .footnote-number::after {
+	content: '.';
+}
+";
+SDV($FootnoteBacklinkCharacter, '&uArr;');
+
+## [^footnote text^] and [^#^] to list footnotes with blue line or [^@^] to list them without
+Markup("[^",'<split','/\[\^(.*?)\^\]/s',"Footnote");
+
+function Footnote($m) {
+	static $fngroup = 1, $fncount = 0, $fntext = array();
+
+	$fn_str = $m[1];
+	if ($fn_str == "#" || $fn_str == "@") {
+		if ($fncount > 0) {
+			ksort($fntext);
+			$out = ($fn_str == "#") ? 
+					"<:block><div class='footnote_block_begin'>&nbsp;</div>\n" . implode('',$fntext) :
+					implode('',$fntext);
+		}
+		
+		$fntext = array();
+		$fncount = 0;
+		$fngroup++;
+	} else {
+		$fncount++;
+		if (preg_match("/#([0-9]+)(?>\\s+(.+))?/s", $fn_str, $fn_str_parts)) {
+			$fncount = $fn_str_parts[1];
+			$fn_str = $fn_str_parts[2];
+		}
+		$fnid = $fngroup . '_' . $fncount;
+	
+		$out = ($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$fnid'>\n" . 
+								"<span class='footnote-number'>$fncount</span> {$fn_str} <a href='#fnr$fnid'>$FootnoteBacklinkCharacter</a>\n" . 
+								"</div>";
+		} else if ($fntext[$fncount] == '') {
+			$fntext[$fncount] = '#';
+		}
+	}
+	return $out;
+}