COMPILERS = {
    'rest': ('.rst4',),
    'rest_html5': ('.rst', '.txt'),
}

POSTS = (
    ("posts/*.rst4", "posts", "post.tmpl"),
    ("posts/*.rst", "posts", "post.tmpl"),
    ("posts/*.txt", "posts", "post.tmpl"),
)

# NOTE: if you want to use the Nikola-provided reST extensions, you need to
#       keep the original `rest` compiler in COMPILERS *and* POSTS/PAGES,
#       otherwise they will not get loaded.