Minor rewording of non-normative addEventListener() text.

dom.bs

@@ -979,30 +979,18 @@ concept.
 <dl class=domintro>
  <dt><code><var>target</var> . <a method lt="addEventListener()">addEventListener</a>(<var>type</var>, <var>callback</var> [, <var>capture</var> = false])</code>
  <dd>
-  Appends an <a>event listener</a>
-  for <a>events</a> whose
-  {{Event/type}} attribute value is
-  <var>type</var>. The <var>callback</var> argument sets the
-  <b>callback</b> that will be invoked when the
-  <a>event</a> is
-  <a>dispatched</a>. When set to true,
+  Appends an <a>event listener</a> for <a>events</a> whose {{Event/type}} attribute value
+  is <var>type</var>. The <var>callback</var> argument sets the <b>callback</b> that will
+  be invoked when the <a>event</a> is <a>dispatched</a>. When set to true,
   the <var>capture</var> argument prevents <b>callback</b> from being invoked when
-  the <a>event</a>'s
-  {{Event/eventPhase}} attribute value is
-  {{Event/BUBBLING_PHASE}}. When false, <b>callback</b>
-  will not be invoked when <a>event</a>'s
-  {{Event/eventPhase}} attribute value is
-  {{Event/CAPTURING_PHASE}}. Either way,
-  <b>callback</b> will be invoked when <a>event</a>'s
-  {{Event/eventPhase}} attribute value is
-  {{Event/AT_TARGET}}.
-
-  The <a>event listener</a> is
-  appended to <var>target</var>'s list of
-  <a>event listeners</a> and is not
-  appended if it is a duplicate (the
-  <a>event listeners</a> in the list are
-  unique).
+  the <a>event</a>'s {{Event/eventPhase}} attribute value is {{Event/BUBBLING_PHASE}}.
+  When false, <b>callback</b> will not be invoked when <a>event</a>'s {{Event/eventPhase}}
+  attribute value is {{Event/CAPTURING_PHASE}}. Either way, <b>callback</b> will be
+  invoked if <a>event</a>'s {{Event/eventPhase}} attribute value is {{Event/AT_TARGET}}.
+
+  The <a>event listener</a> is appended to <var>target</var>'s list of
+  <a>event listeners</a> and is not appended if it is a duplicate, i.e. having the same
+  <b>type</b>, <b>callback</b>, and <b>capture</b> values.
 
  <dt><code><var>target</var> . <a method lt="removeEventListener()">removeEventListener</a>(<var>type</var>, <var>callback</var> [, <var>capture</var> = false])</code>
  <dd>Remove the <a>event listener</a>

dom.html

@@ -88,7 +88,7 @@
    <h1 class="p-name no-ref allcaps" id="title">DOM</h1>
 
    <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Living Standard — Last Updated
-    <time class="dt-updated" datetime="2015-06-26">26 June 2015</time></span></h2>
+    <time class="dt-updated" datetime="2015-06-29">29 June 2015</time></span></h2>
 
    <div data-fill-with="spec-metadata">
     <dl>
@@ -1328,31 +1328,19 @@ <h3 class="heading settled" data-level="3.6" id="interface-eventtarget"><span cl
     <dt><code><var>target</var> . <a class="idl-code" data-link-type="method" href="#dom-eventtarget-addeventlistener">addEventListener</a>(<var>type</var>, <var>callback</var> [, <var>capture</var> = false])</code>
 
     <dd>
-  Appends an <a data-link-type="dfn" href="#concept-event-listener">event listener</a>
-  for <a data-link-type="dfn" href="#concept-event">events</a> whose
-  <code class="idl"><a data-link-type="idl" href="#dom-event-type">type</a></code> attribute value is
-  <var>type</var>. The <var>callback</var> argument sets the
-  <b>callback</b> that will be invoked when the
-  <a data-link-type="dfn" href="#concept-event">event</a> is
-  <a data-link-type="dfn" href="#concept-event-dispatch">dispatched</a>. When set to true,
+  Appends an <a data-link-type="dfn" href="#concept-event-listener">event listener</a> for <a data-link-type="dfn" href="#concept-event">events</a> whose <code class="idl"><a data-link-type="idl" href="#dom-event-type">type</a></code> attribute value
+  is <var>type</var>. The <var>callback</var> argument sets the <b>callback</b> that will
+  be invoked when the <a data-link-type="dfn" href="#concept-event">event</a> is <a data-link-type="dfn" href="#concept-event-dispatch">dispatched</a>. When set to true,
   the <var>capture</var> argument prevents <b>callback</b> from being invoked when
-  the <a data-link-type="dfn" href="#concept-event">event</a>’s
-  <code class="idl"><a data-link-type="idl" href="#dom-event-eventphase">eventPhase</a></code> attribute value is
-  <code class="idl"><a data-link-type="idl" href="#dom-event-bubbling_phase">BUBBLING_PHASE</a></code>. When false, <b>callback</b>
-  will not be invoked when <a data-link-type="dfn" href="#concept-event">event</a>’s
-  <code class="idl"><a data-link-type="idl" href="#dom-event-eventphase">eventPhase</a></code> attribute value is
-  <code class="idl"><a data-link-type="idl" href="#dom-event-capturing_phase">CAPTURING_PHASE</a></code>. Either way,
-  <b>callback</b> will be invoked when <a data-link-type="dfn" href="#concept-event">event</a>’s
-  <code class="idl"><a data-link-type="idl" href="#dom-event-eventphase">eventPhase</a></code> attribute value is
-  <code class="idl"><a data-link-type="idl" href="#dom-event-at_target">AT_TARGET</a></code>.
-
-
-     <p>The <a data-link-type="dfn" href="#concept-event-listener">event listener</a> is
-  appended to <var>target</var>’s list of
-  <a data-link-type="dfn" href="#concept-event-listener">event listeners</a> and is not
-  appended if it is a duplicate (the
-  <a data-link-type="dfn" href="#concept-event-listener">event listeners</a> in the list are
-  unique).</p>
+  the <a data-link-type="dfn" href="#concept-event">event</a>’s <code class="idl"><a data-link-type="idl" href="#dom-event-eventphase">eventPhase</a></code> attribute value is <code class="idl"><a data-link-type="idl" href="#dom-event-bubbling_phase">BUBBLING_PHASE</a></code>.
+  When false, <b>callback</b> will not be invoked when <a data-link-type="dfn" href="#concept-event">event</a>’s <code class="idl"><a data-link-type="idl" href="#dom-event-eventphase">eventPhase</a></code>
+  attribute value is <code class="idl"><a data-link-type="idl" href="#dom-event-capturing_phase">CAPTURING_PHASE</a></code>. Either way, <b>callback</b> will be
+  invoked if <a data-link-type="dfn" href="#concept-event">event</a>’s <code class="idl"><a data-link-type="idl" href="#dom-event-eventphase">eventPhase</a></code> attribute value is <code class="idl"><a data-link-type="idl" href="#dom-event-at_target">AT_TARGET</a></code>.
+
+
+     <p>The <a data-link-type="dfn" href="#concept-event-listener">event listener</a> is appended to <var>target</var>’s list of
+  <a data-link-type="dfn" href="#concept-event-listener">event listeners</a> and is not appended if it is a duplicate, i.e. having the same
+  <b>type</b>, <b>callback</b>, and <b>capture</b> values.</p>