From 507752b933a466dd8e962c0e34d0ec74d6de55b7 Mon Sep 17 00:00:00 2001
From: Jan Szejko <janek37@gmail.com>
Date: Thu, 28 Dec 2017 16:21:39 +0100
Subject: [PATCH 1/1] fix stupid bug on save

---
 apps/wiki/forms.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/wiki/forms.py b/apps/wiki/forms.py
index 141f1b6b..d526bfc6 100644
--- a/apps/wiki/forms.py
+++ b/apps/wiki/forms.py
@@ -82,7 +82,8 @@ class DocumentTextSaveForm(forms.Form):
 
     def clean_text(self):
         text = self.cleaned_data.get('text', '')
-        return remove_empty_elements(text)
+        # remove_empty_elements returns None on SyntaxError or when there's no change
+        return remove_empty_elements(text) or text
 
     def save(self):
         if self.user.is_authenticated():
-- 
2.20.1