[docs] [issue33702] Add some missings links in production lists and a little polish

New submission from Andrés Delfino <adelfino@gmail.com>: There are some missing links in production lists (try, with, from __future__ import), and function and coroutines definitions production lists have too long lines. PR fixes this and does some polish on whitespace. ---------- assignee: docs@python components: Documentation messages: 318231 nosy: adelfino, docs@python priority: normal severity: normal status: open title: Add some missings links in production lists and a little polish type: enhancement versions: Python 2.7, Python 3.6, Python 3.7, Python 3.8 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue33702> _______________________________________