[docs] [issue18761] Fix internal doc references for the email package

Serhiy Storchaka added the comment: Here is updated patch which addresses comments from David. Long lines are wrapped now. ---------- Added file: http://bugs.python.org/file31363/refs.email_2.patch _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue18761> _______________________________________