Use MUST in getBattery() prose (addresses ISSUE-168).
--- a/battery/Overview.src.html Mon Aug 11 10:41:04 2014 +0300
+++ b/battery/Overview.src.html Mon Aug 11 10:52:38 2014 +0300
@@ -172,11 +172,11 @@
</li>
</ul>
<p>
- The <a>user agent</a> SHOULD NOT reject the promise returned by
+ The <a>user agent</a> MUST NOT reject the promise returned by
<code>getBattery()</code>. If the <a>user agent</a> does not want to
- expose the battery information to the web page, it is RECOMMENDED to
- not expose <code>getBattery()</code> or resolve the promise with an
- instance of <a>BatteryManager</a> exposing only <a>default values</a>.
+ expose the battery information to the web page, it MUST resolve the
+ promise with an instance of <a>BatteryManager</a> exposing only
+ <a>default values</a>.
</p>
</section>