Duplicate names

Object names must not be duplicated.

Incorrect:

foo
  1 > name
  2 > name

[x] > first
  second > x

18 > first

Correct:

foo
  1 > one
  2 > two

[x] > first
  second > x

18 > age

Published on Fri Sep 12 07:13:56 UTC 2025.