Restore change lines in guidelines

next/guidelines.html

@@ -602,10 +602,10 @@ flags that would make the program less portable.</p>
 <p>One side effect of the above is that you cannot assume the use
 of nested functions such as:</p>
 <pre><code>     main() {
-        void please_dont_submit_this() {
+|        void please_dont_submit_this() {
-            printf(&quot;The machine that goes BING!!\n&quot;);
+|           printf(&quot;The machine that goes BING!!\n&quot;);
          }
-        please_dont_submit_this();
+|        please_dont_submit_this();
      }</code></pre>
 <p>This is because such nested functions often requires one to compile with
 a flag such as <code>-fnested-functions</code> that is not found on some compilers.</p>

next/guidelines.md

@@ -329,10 +329,10 @@ of nested functions such as:
 
 ``` <!---c-->
      main() {
-        void please_dont_submit_this() {
+|        void please_dont_submit_this() {
-            printf("The machine that goes BING!!\n");
+|           printf("The machine that goes BING!!\n");
          }
-        please_dont_submit_this();
+|        please_dont_submit_this();
      }
 ```