Do not implicitely convert a configuration value to text if the value is the result of just a variable expansion. This is technically a breaking change. But no known client code uses the old behaviour.

# -*- coding: utf-8 -*-

tmpdir = '{{_tmpdir}}\4'

[db.user]
name = "the_database_user_2"
__doc2 = "Overwriting a comment"
pwd="the-database-password-2"

[db.locinfo.ro]
hostname = "3rd-host"