[docs] [issue12148] Clarify "or-ing together" doctest option flags

R. David Murray <rdmurray@bitdance.com> added the comment: I like bitwise-or better than bitwise OR because 'bitwise-or' is a distinct operation from 'or', and making it hyphenated emphasizes that. ---------- _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue12148> _______________________________________