Don't require text in a document

htmleditor/migrations/0029_document_content.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.1 on 2016-07-05 18:59
+from __future__ import unicode_literals
+
+import ckeditor_uploader.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('htmleditor', '0028_tabdocument_show_title'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='document',
+            name='content',
+            field=ckeditor_uploader.fields.RichTextUploadingField(blank=True),
+        ),
+    ]

htmleditor/models.py

@@ -134,7 +134,7 @@ class Document(models.Model):
     objects = DocumentManager()
 
     name = models.CharField(max_length=MAX_LENGTH, unique=True)
-    content = RichTextUploadingField()
+    content = RichTextUploadingField(blank=True)
 
     class Meta:
         ordering = ['name']