Eliminate requires, complexity, & notes clauses for exclusive_scan's special form.

Author: jaredhoberock

algorithms.html

@@ -645,20 +645,24 @@ <h1>Exclusive scan</h1>
         </cxx-returns>
 
         <cxx-requires>
-          The <code>operator+</code> function associated with <code>iterator_traits&lt;InputIterator&gt;::value_type</code> shall
-          not invalidate iterators or subranges, nor modify elements in the ranges <code>[first,last)</code> or
-          <code>[result,result + (last - first))</code>.
+          <del2>
+            The <code>operator+</code> function associated with <code>iterator_traits&lt;InputIterator&gt;::value_type</code> shall
+            not invalidate iterators or subranges, nor modify elements in the ranges <code>[first,last)</code> or
+            <code>[result,result + (last - first))</code>.
+          </del2>
         </cxx-requires>
 
         <cxx-complexity>
-          O(<code>last - first</code>) applications of <code>operator+</code>.
+        <del2>O(<code>last - first</code>) applications of <code>operator+</code>.</del2>
         </cxx-complexity>
 
         <cxx-notes>
-          The primary difference between <code>exclusive_scan</code> and <code>inclusive_scan</code> is that
-          <code>exclusive_scan</code> excludes the <code>i</code>th input element from the <code>i</code>th sum.
-          If the <code>operator+</code> function is not mathematically associative, the behavior of
-          <code>exclusive_scan</code> may be non-deterministic.
+          <del2>
+            The primary difference between <code>exclusive_scan</code> and <code>inclusive_scan</code> is that
+            <code>exclusive_scan</code> excludes the <code>i</code>th input element from the <code>i</code>th sum.
+            If the <code>operator+</code> function is not mathematically associative, the behavior of
+            <code>exclusive_scan</code> may be non-deterministic.
+          </del2>
         </cxx-notes>
       </cxx-function>