improve styling somewhat again

Author: rse

features.txt

@@ -1255,7 +1255,7 @@ Memory-leak-free Object-key’d side-by-side data-structures.
 6|
 6| isMarked.has(foo)     === |true|
 6| attachedData.has(foo) === |true|
-6| foo = |null|  /* remove only reference to foo */
+6| foo |=| null  /* remove only reference to foo */
 6| attachedData.has(foo) === |false|
 6| isMarked.has(foo)     === |false|
 

index.html

@@ -1716,7 +1716,7 @@
 
 isMarked<span class="punctuation">.</span>has<span class="punctuation">(</span>foo<span class="punctuation">)</span>     <span class="punctuation">===</span> <span class="mark">true</span>
 attachedData<span class="punctuation">.</span>has<span class="punctuation">(</span>foo<span class="punctuation">)</span> <span class="punctuation">===</span> <span class="mark">true</span>
-foo<span class="punctuation"> = </span><span class="mark">null</span>  /<span class="punctuation">*</span> remove only reference to foo <span class="punctuation">*</span>/
+foo <span class="mark">=</span> null  /<span class="punctuation">*</span> remove only reference to foo <span class="punctuation">*</span>/
 attachedData<span class="punctuation">.</span>has<span class="punctuation">(</span>foo<span class="punctuation">)</span> <span class="punctuation">===</span> <span class="mark">false</span>
 isMarked<span class="punctuation">.</span>has<span class="punctuation">(</span>foo<span class="punctuation">)</span>     <span class="punctuation">===</span> <span class="mark">false</span>
 </div>