If you insert something in Data -> Validity -> List -> Entries , after you press OK, what you inserted in the Entries field disappears.
Steps to reproduce:
1. Data ->
2. Validity ->
3. List ->
evereything you write in the Entries field, disappears after you press the OK button.
a drop down box with a list of entries
Operating System: Windows 7
Version: 126.96.36.199 release
*** This bug has been marked as a duplicate of bug 65686 ***