Editorial: initialize clearTargets in event dispatch correctly

Also clean up "for each" wording while here.

Fixes #1344.

dom.bs

@@ -146,7 +146,7 @@ first <a>following</a> <a for=tree>sibling</a> or null if it has no <a for=tree>
 
  <li><p>Let <var>tokens</var> be a new <a>ordered set</a>.
 
- <li><p><a for=list>For each</a> <var>token</var> in <var>inputTokens</var>, <a for=set>append</a>
+ <li><p><a for=list>For each</a> <var>token</var> of <var>inputTokens</var>, <a for=set>append</a>
  <var>token</var> to <var>tokens</var>.
 
  <li>Return <var>tokens</var>.
@@ -894,7 +894,7 @@ correct defaults.</p>
  <a>relative high resolution coarse time</a> given <var>time</var> and <var>event</var>'s
  <a>relevant global object</a>.
 
- <li><p><a for=map>For each</a> <var>member</var> → <var>value</var> in <var>dictionary</var>, if
+ <li><p><a for=map>For each</a> <var>member</var> → <var>value</var> of <var>dictionary</var>, if
  <var>event</var> has an attribute whose <a spec=webidl>identifier</a> is <var>member</var>, then
  initialize that attribute to <var>value</var>.
 
@@ -1305,6 +1305,8 @@ property of the event being dispatched.
  <li><p>Let <var>relatedTarget</var> be the result of <a>retargeting</a> <var>event</var>'s
  <a for=Event>relatedTarget</a> against <var>target</var>.
 
+ <li><p>Let <var>clearTargets</var> be false.
+
  <li>
   <p>If <var>target</var> is not <var>relatedTarget</var> or <var>target</var> is <var>event</var>'s
   <a for=Event>relatedTarget</a>:
@@ -1405,18 +1407,17 @@ property of the event being dispatched.
    <li><p>Let <var>clearTargetsStruct</var> be the last struct in <var>event</var>'s
    <a for=Event>path</a> whose <a for=Event/path>shadow-adjusted target</a> is non-null.
 
-   <li><p>Let <var>clearTargets</var> be true if <var>clearTargetsStruct</var>'s
-   <a for=Event/path>shadow-adjusted target</a>, <var>clearTargetsStruct</var>'s
-   <a for=Event/path>relatedTarget</a>, or an {{EventTarget}} object in
-   <var>clearTargetsStruct</var>'s <a for=Event/path>touch target list</a> is a <a for=/>node</a>
-   and its <a for=tree>root</a> is a <a for=/>shadow root</a>; otherwise false.
+   <li><p>If <var>clearTargetsStruct</var>'s <a for=Event/path>shadow-adjusted target</a>,
+   <var>clearTargetsStruct</var>'s <a for=Event/path>relatedTarget</a>, or an {{EventTarget}} object
+   in <var>clearTargetsStruct</var>'s <a for=Event/path>touch target list</a> is a <a for=/>node</a>
+   whose <a for=tree>root</a> is a <a for=/>shadow root</a>: set <var>clearTargets</var> to true.
 
    <li><p>If <var>activationTarget</var> is non-null and <var>activationTarget</var> has
    <a for=EventTarget>legacy-pre-activation behavior</a>, then run <var>activationTarget</var>'s
    <a for=EventTarget>legacy-pre-activation behavior</a>.
 
    <li>
-    <p><a for=list>For each</a> <var>struct</var> in <var>event</var>'s <a for=Event>path</a>, in
+    <p><a for=list>For each</a> <var>struct</var> of <var>event</var>'s <a for=Event>path</a>, in
     reverse order:
 
     <ol>
@@ -1431,7 +1432,7 @@ property of the event being dispatched.
     </ol>
 
    <li>
-    <p><a for=list>For each</a> <var>struct</var> in <var>event</var>'s <a for=Event>path</a>:
+    <p><a for=list>For each</a> <var>struct</var> of <var>event</var>'s <a for=Event>path</a>:
 
     <ol>
      <li><p>If <var>struct</var>'s <a for=Event/path>shadow-adjusted target</a> is non-null, then
@@ -1591,7 +1592,7 @@ and an optional <var>legacyOutputDidListenersThrowFlag</var>, run these steps:
  <li><p>Let <var>found</var> be false.
 
  <li>
-  <p><a for=list>For each</a> <var>listener</var> in <var>listeners</var>, whose
+  <p><a for=list>For each</a> <var>listener</var> of <var>listeners</var>, whose
   <a for="event listener">removed</a> is false:
 
   <ol>
@@ -4802,7 +4803,7 @@ steps are:
 
     <ol>
      <li>
-      <p><a for=list>For each</a> <var>attr</var> in <var>node2</var>'s
+      <p><a for=list>For each</a> <var>attr</var> of <var>node2</var>'s
       <a for=Element>attribute list</a>:
 
       <ol>
@@ -7370,7 +7371,7 @@ steps:
  <li>
   <p>If this {{NamedNodeMap}} object's <a for=NamedNodeMap>element</a> is in the
   <a>HTML namespace</a> and its <a for=Node>node document</a> is an <a>HTML document</a>, then
-  <a for=list>for each</a> <var>name</var> in <var>names</var>:
+  <a for=list>for each</a> <var>name</var> of <var>names</var>:
 
   <ol>
    <li><p>Let <var>lowercaseName</var> be <var>name</var>, in <a>ASCII lowercase</a>.
@@ -10050,7 +10051,7 @@ method steps are:
 
 <ol>
  <li>
-  <p><a for=list>For each</a> <var>token</var> in <var>tokens</var>:
+  <p><a for=list>For each</a> <var>token</var> of <var>tokens</var>:
 
   <ol>
    <li><p>If <var>token</var> is the empty string, then <a>throw</a> a "{{SyntaxError!!exception}}"
@@ -10060,7 +10061,7 @@ method steps are:
    "{{InvalidCharacterError!!exception}}" {{DOMException}}.
   </ol>
 
- <li><p><a for=list>For each</a> <var>token</var> in <var>tokens</var>, <a for=set>append</a>
+ <li><p><a for=list>For each</a> <var>token</var> of <var>tokens</var>, <a for=set>append</a>
  <var>token</var> to <a>this</a>'s <a>token set</a>.
 
  <li><p>Run the <a>update steps</a>.
@@ -10072,7 +10073,7 @@ method steps are:
 
 <ol>
  <li>
-  <p><a for=list>For each</a> <var>token</var> in <var>tokens</var>:
+  <p><a for=list>For each</a> <var>token</var> of <var>tokens</var>:
 
   <ol>
    <li><p>If <var>token</var> is the empty string, then <a>throw</a> a "{{SyntaxError!!exception}}"
@@ -10549,6 +10550,7 @@ Sergey G. Grekhov,
 Shiki Okasaka,
 Shinya Kawanaka,
 Simon Pieters,
+Simon Wülker,
 Stef Busking,
 Steve Byrne,
 Stig Halvorsen,