[docs] [issue14318] clarify "may not" in time.steady docs

[STINNER Victor]

STINNER Victor <victor.stinner at gmail.com> added the comment:

> (2)  That fragment from the C++ standard suggests that "MAY NOT" ought to have been replaced by the unambiguous "MUST NOT".

No. A program cannot deny the modification of system clock and time.steady() may use the system date.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14318>
_______________________________________