Formatting improvements

Author: Dani-Hub

xml/issue4223.xml

@@ -99,8 +99,8 @@ template<ranges::input_range Range>
       <del>typename ranges::range_value_t&lt;Range&gt;::first_type</del>
       <ins><i>range-key-type</i>&lt;Range&gt;</ins>
     &gt;,
-      <del>typename ranges::range_value_t&lt;Range&gt;::second_type</del>
-      <ins><i>range-mapped-type</i>&lt;Range&gt;</ins>
+    <del>typename ranges::range_value_t&lt;Range&gt;::second_type</del>
+    <ins><i>range-mapped-type</i>&lt;Range&gt;</ins>
     &gt;; // <i>exposition only</i>
 </pre>
 </blockquote>