Redefine "relevant Realm" and related terms

Follows whatwg/webidl@c705ce6.

source

@@ -2908,7 +2908,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
      <li><dfn data-x-href="https://heycam.github.io/webidl/#dfn-primary-interface">primary interface</dfn></li>
      <li><dfn data-x-href="https://heycam.github.io/webidl/#dfn-interface-object">interface object</dfn></li>
      <li><dfn data-x-href="https://heycam.github.io/webidl/#dfn-interface-prototype-object">interface prototype object</dfn></li>
-     <li><dfn data-x-href="https://heycam.github.io/webidl/#es-platform-objects">global environment associated with</dfn> a platform object</li>
+     <li><dfn data-x-href="https://heycam.github.io/webidl/#es-platform-objects">[[Realm]] field of a platform object</dfn></li>
      <li><dfn data-x-href="https://heycam.github.io/webidl/#dfn-callback-context">callback context</dfn></li>
      <li><dfn data-x-href="https://heycam.github.io/webidl/#dfn-frozen-array-type">frozen array</dfn> and
          <dfn data-x-href="https://heycam.github.io/webidl/#dfn-create-frozen-array">creating a frozen array</dfn></li>
@@ -88208,9 +88208,6 @@ interface <dfn>ApplicationCache</dfn> : <span>EventTarget</span> {
   data-x="">Array.prototype.map</code>). But this inconsistency is so embedded in the platform that
   we have to accept it going forward.</p>
 
-  <p>Note that in constructors, where there is no <b>this</b> value yet, the <span
-  data-x="concept-current-everything">current</span> concept is the appropriate default.</p>
-
   <div class="example">
    <p>One reason why the <span data-x="concept-relevant-everything">relevant</span> concept is
    generally a better default choice than the <span
@@ -88562,37 +88559,19 @@ document.querySelector("button").addEventListener("click", bound);
 
   <h6>Relevant</h6>
 
-  <p>The <dfn data-export="">relevant settings object</dfn> for a <span>platform object</span> is
-  defined as follows:</p>
-
-  <dl class="switch">
-   <dt>If the object is a <span>global object</span></dt>
-   <dd>Each <span>global object</span> in this specification is created alongside a corresponding
-   <span>environment settings object</span>; that is its <span>relevant settings object</span>.</dd>
-
-   <dt>Otherwise</dt>
-   <dd>
-    <p>The <span>relevant settings object</span> for a non-global <span>platform object</span>
-    <var>o</var> is the <span>environment settings object</span> whose <span
-    data-x="concept-settings-object-global">global object</span> is the global object of the
-    <span>global environment associated with</span> <var>o</var>.</p>
-
-    <p class="note">The "<span>global environment associated with</span>" concept is from the olden
-    days, before the modern JavaScript specification and its concept of <span data-x="JavaScript
-    realm">realms</span>. We expect that as the Web IDL specification gets updated, every
-    <span>platform object</span> will have a <span data-x="JavaScript realm">Realm</span> associated
-    with it, and this definition can be re-cast in those terms. <ref spec=JAVASCRIPT> <ref
-    spec=WEBIDL></p>
-   </dd>
-  </dl>
+  <p>The <dfn data-export="" data-x="concept-relevant-realm">relevant Realm</dfn> for a
+  <span>platform object</span> is the value of <span data-x="[[Realm]] field of a platform
+  object">its [[Realm]] field</span>.</p>
 
-  <p>Then, the <dfn data-export="" data-x="concept-relevant-realm">relevant Realm</dfn> for a
-  <span>platform object</span> is the <span data-x="environment settings object's
-  Realm">Realm</span> of its <span>relevant settings object</span>.</p>
+  <p>Then, the <dfn data-export="">relevant settings object</dfn> for a <span>platform object</span>
+  <var>o</var> is the <span data-x="concept-realm-settings-object">environment settings
+  object</span> of the <span data-x="concept-relevant-realm">relevant Realm</span> for
+  <var>o</var>.</p>
 
   <p>Similarly, the <dfn data-export="" id="concept-relevant-global">relevant global object</dfn>
-  for a <span>platform object</span> is the <span data-x="concept-settings-object-global">global
-  object</span> of its <span>relevant settings object</span>.</p>
+  for a <span>platform object</span> <var>o</var> is the <span data-x="concept-realm-global">global
+  object</span> of the <span data-x="concept-relevant-realm">relevant Realm</span> for
+  <var>o</var>.</p>
 
 
   <h5>Killing scripts</h5>