[docs] [issue8996] Add a default role to allow writing bare `len` instead of :func:`len`

Georg Brandl <georg@python.org> added the comment: The type doesn't matter anyway, no need to find it by questionable means. ---------- nosy: +georg.brandl _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue8996> _______________________________________