The README.txt should be in the most important parts readable without keyword substitutions. The release number ist now directly included. Distinguish between the release date "release_date" and the build date of the documentation "today".

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

key1 = u"in the root namespace"
key2 = u"in the root namespace -- too"

tree1 = {
    'key3': 0x20,

    'tree2': {
        'key4': u"get this as `tree1.tree2.key4'",
        'key5': True
    }
}