Wikimedia Bugzilla is closed!

Steps to reproduce:

1.Open the editor
2.Create a numbered list with 4 items.For example:
# item 1
# item 2
# item 3
# item 4

3.Now place the cursor at the end of item 2 and press enter
4.Add a new item 3( it gets added properly)
5.Now place the cursor just before item 1 and press enter to move it to the next line 
6.Type a new item1 in first line
7.Delete the new item

Observed Result:

The order  (1.) does not get deleted.In read mode the list appears like this:
 
 1.
 2. item 1
 3. item 2
 4. new item 3
 5. new item 4
 6. item 3
 7. item 4 

After saving, in read mode the list appears as follows:

1.item 1
2.item 2
3.new item 3
4.new item 4
5.item 3
6.item 4