diff -r 87adb908e649 -r 2d14a80716e2 src/cm/denorm_engine.py
--- a/src/cm/denorm_engine.py	Fri Apr 06 12:35:57 2012 +0200
+++ b/src/cm/denorm_engine.py	Fri Apr 13 11:53:42 2012 +0200
@@ -21,11 +21,19 @@
         pass
         #logging.warning('No text found for text_version: %i' %text_version.id)
         
+# GIB when deleting last revision, do not delete related text
+def delete_last_version (sender, instance, signal, *args, **kwargs):
+  if instance.id == instance.text.last_text_version_id:
+    previous = instance.get_previous_version()
+    if previous:
+      instance.text.last_text_version_id = previous.id
+      instance.text.save()
         
 def connect_all():
     # text updated by text_version
+    signals.pre_delete.connect(delete_last_version, sender=TextVersion)
     signals.post_save.connect(update_text_from_last_version, sender=TextVersion)
     signals.post_delete.connect(update_text_from_last_version, sender=TextVersion)
 
 
-connect_all()
\ No newline at end of file
+connect_all()