First list:
Different list formatting characters, following what v1 supports:
style="format %i":
style="format (%d)":
style="format %c)":
style="format %C.":
style="format %d.":

R1
  #1
R2
  #2
R3
  #3

Specify the indent explicitly so that all the items line up nicely.

i.
  first item
ii.
  second item
iii.
  third item
iv.
  fourth item
v.
  5:th item
vi.
  6:th item
vii.
  7:th item
viii.
  8:th item
ix.
  9:th item
x.
  10:th item
xi.
  11:th item
xii.
  12:th item
xiii.
  13:th item
xiv.
  14:th item

(1)
  first item
(2)
  second item
(3)
  third item

a)
  first item
b)
  second item
c)
  third item

A.
  first item
B.
  second item
C.
  third item

1.
  first item
2.
  second item
3.
  third item
  A separate line
  1. first sub-item
  2. second sub-item
  3. third sub-item