- new impress document
- draw a text box
- type 3 paragraphs:
Test 1
Test 2
Test 3

- select all three an do Format - Bullets and Numberings
- choose a different numbering style than the default e.g "Roman"
- Ok
-> you get
I.Test 1
II.Test 2
III.Test 3

- Select one paragraph e.g. II.Test 2
- Change the format of the numbering e.g. "Format - Bullets and Numberings -
Position" and choose another value for "width of Numbering"
- Ok

- Select all three paragraphs and change again the numbering format as above
(e.g. "width of Numbering")
- ok

-> Now all numberings are reset to the default bullet style