From 9c0d96240b8641e795f507e1fb2362500d1a2eb0 Mon Sep 17 00:00:00 2001
From: Nicolas Boisselier <nicolas.boisselier@gmail.com>
Date: Fri, 2 Dec 2016 10:37:48 +0000
Subject: [PATCH] fix bug

---
 lib/php/db.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/php/db.php b/lib/php/db.php
index cde8f1ce..51c37256 100644
--- a/lib/php/db.php
+++ b/lib/php/db.php
@@ -1251,7 +1251,7 @@ class Db extends nb {
     return $row;
   }
 
-  public static function content_type2format($content_type) {
+  public static function content_type2format($content_type=null) {
     if (empty($content_type)) $content_type = self::client_content_type();
     switch (self::mime2ext($content_type)) {
       case "html":
-- 
2.47.3