redirect_double_uri_escape.patch

diff -N -u wiki.cgi.old wiki.cgi
--- wiki.cgi.old	2012-11-13 18:47:10.000000000 +0900
+++ wiki.cgi	2018-04-24 00:18:18.000000000 +0900
@@ -83,6 +83,14 @@
 	}

 	#==============================================================================
+	# Redirect if URI is escaped twice and pointed page exists.
+	#==============================================================================
+	if (not $wiki->page_exists($cgi->param('page'))
+		and  $wiki->page_exists(Util::url_decode($cgi->param('page')))) {
+		$wiki->redirect(Util::url_decode(Util::url_decode($cgi->param('page'))));
+	}
+
+	#==============================================================================
 	# 設定を反映（もうちょっとスマートにやりたいね）
 	#==============================================================================
 	my $config = &Util::load_config_hash($wiki,$wiki->config('config_file'));