Rename originalElement to just element

Author: lukewarlow

dom.bs

@@ -8049,17 +8049,17 @@ string <var>value</var>, run these steps:
   <p>Otherwise:
 
   <ol>
-   <li><p>Let <var>originalElement</var> be <var>attribute</var>'s <a for=Attr>element</a>.
+   <li><p>Let <var>element</var> be <var>attribute</var>'s <a for=Attr>element</a>.
 
    <li><p>Let <var>verifiedValue</var> be the result of calling <a abstract-op>get
    Trusted Types-compliant attribute value</a> with <var>attribute</var>'s
    <a for=Attr>local name</a>, <var>attribute</var>'s <a for=Attr>namespace</a>,
-   <var>originalElement</var>, and <var>value</var>. [[!TRUSTED-TYPES]]
+   <var>element</var>, and <var>value</var>. [[!TRUSTED-TYPES]]
 
    <li><p>If <var>attribute</var>'s <a for=Attr>element</a> is null, then set <var>attribute</var>'s
    <a for=Attr>value</a> to <var>verifiedValue</var>, and return.
 
-   <li><p>If <var>attribute</var>'s <a for=Attr>element</a> is not <var>originalElement</var>, then
+   <li><p>If <var>attribute</var>'s <a for=Attr>element</a> is not <var>element</var>, then
    return.
 
    <li><p><a lt="change an attribute">Change</a> <var>attribute</var> to <var>verifiedValue</var>.