# Whether this can be used reliably or not depends on
# the development procedures used by the project's developers. Use it with
# caution, because it's inappropriate for many projects.
-# Returns (None, "a message") if this didn't work, or (version, vercode) for
+# Returns (None, "a message") if this didn't work, or (version, vercode, tag) for
# the details of the current version.
def check_tags(app, pattern):