commit https://github.com/vim/vim/commit/0921ecff1c5a74541bad6c073e8ade32247403d8 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 3 22:44:36 2016 +0200 patch 7.4.1707 Problem: Cannot use empty dictionary key, even though it can be useful. Solution: Allow using an empty dictionary key.

1 changed line 1
scalar test OK
2 line 2
dictionary with list OK
circular test OK
[123.0, 'abc', [1, 2, 3], {'a': 1, 'b': 2, 'c': 3}]
{'4': 123.0, '5': 'abc', '6': [1, 2, 3], '7': {'a': 1, 'b': 2, 'c': 3}}