Editorial: Misc tweaks re PR #2089

- Use title-case in clause heading

- Tweak some algorithm syntax

- Put 2 emu-clause attributes in quotes
  (We always quote element attributes -- see PR #1868)

- Change "a finalization registry object" to "a FinalizationRegistry"
  (The former term isn't defined.)

spec.html

@@ -8000,7 +8000,7 @@ <h1>Forward Progress</h1>
   </emu-clause>
 
   <emu-clause id="sec-weakref-processing-model">
-    <h1>Processing model of WeakRef and FinalizationRegistry objects</h1>
+    <h1>Processing Model of WeakRef and FinalizationRegistry Objects</h1>
     <emu-clause id="sec-weakref-invariants">
       <h1>Objectives</h1>
 
@@ -8072,10 +8072,10 @@ <h1>Execution</h1>
         1. For each _obj_ of _S_, do
           1. For each WeakRef _ref_ such that _ref_.[[WeakRefTarget]] is _obj_, do
             1. Set _ref_.[[WeakRefTarget]] to ~empty~.
-          1. For each FinalizationRegistry _fg_ such that _fg_.[[Cells]] contains _cell_, and _cell_.[[WeakRefTarget]] is _obj_, do
+          1. For each FinalizationRegistry _fg_ such that _fg_.[[Cells]] contains a Record _cell_ such that _cell_.[[WeakRefTarget]] is _obj_, do
             1. Set _cell_.[[WeakRefTarget]] to ~empty~.
             1. Optionally, perform ! HostEnqueueFinalizationRegistryCleanupJob(_fg_).
-          1. For each WeakMap _map_ such that _map_.[[WeakMapData]] contains a Record value _r_ such that _r_.[[Key]] is _obj_, do
+          1. For each WeakMap _map_ such that _map_.[[WeakMapData]] contains a Record _r_ such that _r_.[[Key]] is _obj_, do
             1. Set _r_.[[Key]] to ~empty~.
             1. Set _r_.[[Value]] to ~empty~.
           1. For each WeakSet _set_ such that _set_.[[WeakSetData]] contains _obj_, do
@@ -8100,15 +8100,15 @@ <h1>Execution</h1>
     <emu-clause id="sec-weakref-host-hooks">
       <h1>Host Hooks</h1>
 
-      <emu-clause id="sec-host-cleanup-finalization-registry" aoid=HostEnqueueFinalizationRegistryCleanupJob>
+      <emu-clause id="sec-host-cleanup-finalization-registry" aoid="HostEnqueueFinalizationRegistryCleanupJob">
         <h1>HostEnqueueFinalizationRegistryCleanupJob ( _finalizationRegistry_ )</h1>
 
         <p>The abstract operation HostEnqueueFinalizationRegistryCleanupJob takes argument _finalizationRegistry_ (a FinalizationRegistry). HostEnqueueFinalizationRegistryCleanupJob is an implementation-defined abstract operation that is expected to call CleanupFinalizationRegistry(_finalizationRegistry_) at some point in the future, if possible. The host's responsibility is to make this call at a time which does not interrupt synchronous ECMAScript code execution.</p>
       </emu-clause>
     </emu-clause>
   </emu-clause>
 
-  <emu-clause id="sec-clear-kept-objects" aoid=ClearKeptObjects>
+  <emu-clause id="sec-clear-kept-objects" aoid="ClearKeptObjects">
     <h1>ClearKeptObjects ( )</h1>
     <p>The abstract operation ClearKeptObjects takes no arguments. ECMAScript implementations are expected to call ClearKeptObjects when a synchronous sequence of ECMAScript executions completes. It performs the following steps when called:</p>
     <emu-alg>
@@ -8131,10 +8131,10 @@ <h1>AddToKeptObjects ( _object_ )</h1>
 
   <emu-clause id="sec-cleanup-finalization-registry" aoid="CleanupFinalizationRegistry">
     <h1>CleanupFinalizationRegistry ( _finalizationRegistry_ )</h1>
-    <p>The abstract operation CleanupFinalizationRegistry takes argument _finalizationRegistry_ (a finalization registry object). It performs the following steps when called:</p>
+    <p>The abstract operation CleanupFinalizationRegistry takes argument _finalizationRegistry_ (a FinalizationRegistry). It performs the following steps when called:</p>
     <emu-alg>
       1. Assert: _finalizationRegistry_ has [[Cells]] and [[CleanupCallback]] internal slots.
-      1. Set _callback_ to _finalizationRegistry_.[[CleanupCallback]].
+      1. Let _callback_ be _finalizationRegistry_.[[CleanupCallback]].
       1. While _finalizationRegistry_.[[Cells]] contains a Record _cell_ such that _cell_.[[WeakRefTarget]] is ~empty~, an implementation may perform the following steps:
         1. Choose any such _cell_.
         1. Remove _cell_ from _finalizationRegistry_.[[Cells]].
@@ -39038,8 +39038,8 @@ <h1>WeakRef ( _target_ )</h1>
         <emu-alg>
           1. If NewTarget is *undefined*, throw a *TypeError* exception.
           1. If Type(_target_) is not Object, throw a *TypeError* exception.
-          1. Let _weakRef_ be ? OrdinaryCreateFromConstructor(NewTarget, `"%WeakRef.prototype%"`, &laquo; [[WeakRefTarget]] &raquo;).
-          1. Perfom ! AddToKeptObjects(_target_).
+          1. Let _weakRef_ be ? OrdinaryCreateFromConstructor(NewTarget, *"%WeakRef.prototype%"*, &laquo; [[WeakRefTarget]] &raquo;).
+          1. Perform ! AddToKeptObjects(_target_).
           1. Set _weakRef_.[[WeakRefTarget]] to _target_.
           1. Return _weakRef_.
         </emu-alg>