docs: Use <Hn> as Heading elements instead of <DIV class="doc_foo">.

H1 ... doc_title
H2 ... doc_section
H3 ... doc_subsection
H4 ... doc_subsubsection

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129736 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/tutorial/OCamlLangImpl8.html b/docs/tutorial/OCamlLangImpl8.html
index 5f993ec..449ac70 100644
--- a/docs/tutorial/OCamlLangImpl8.html
+++ b/docs/tutorial/OCamlLangImpl8.html
@@ -11,8 +11,7 @@
 
 <body>
 
-<div class="doc_title">Kaleidoscope: Conclusion and other useful LLVM
- tidbits</div>
+<h1>Kaleidoscope: Conclusion and other useful LLVM tidbits</h1>
 
 <ul>
 <li><a href="index.html">Up to Tutorial Index</a></li>
@@ -43,7 +42,7 @@
 </div>
 
 <!-- *********************************************************************** -->
-<div class="doc_section"><a name="conclusion">Tutorial Conclusion</a></div>
+<h2><a name="conclusion">Tutorial Conclusion</a></h2>
 <!-- *********************************************************************** -->
 
 <div class="doc_text">
@@ -154,8 +153,7 @@
 </div>
 
 <!-- *********************************************************************** -->
-<div class="doc_section"><a name="llvmirproperties">Properties of the LLVM 
-IR</a></div>
+<h2><a name="llvmirproperties">Properties of the LLVM IR</a></h2>
 <!-- *********************************************************************** -->
 
 <div class="doc_text">
@@ -166,8 +164,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsubsection"><a name="targetindep">Target 
-Independence</a></div>
+<h4><a name="targetindep">Target Independence</a></h4>
 <!-- ======================================================================= -->
 
 <div class="doc_text">
@@ -221,7 +218,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsubsection"><a name="safety">Safety Guarantees</a></div>
+<h4><a name="safety">Safety Guarantees</a></h4>
 <!-- ======================================================================= -->
 
 <div class="doc_text">
@@ -243,8 +240,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsubsection"><a name="langspecific">Language-Specific 
-Optimizations</a></div>
+<h4><a name="langspecific">Language-Specific Optimizations</a></h4>
 <!-- ======================================================================= -->
 
 <div class="doc_text">
@@ -298,7 +294,7 @@
 </div>
 
 <!-- *********************************************************************** -->
-<div class="doc_section"><a name="tipsandtricks">Tips and Tricks</a></div>
+<h2><a name="tipsandtricks">Tips and Tricks</a></h2>
 <!-- *********************************************************************** -->
 
 <div class="doc_text">
@@ -310,8 +306,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsubsection"><a name="offsetofsizeof">Implementing portable
-offsetof/sizeof</a></div>
+<h4><a name="offsetofsizeof">Implementing portable offsetof/sizeof</a></h4>
 <!-- ======================================================================= -->
 
 <div class="doc_text">
@@ -331,8 +326,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsubsection"><a name="gcstack">Garbage Collected 
-Stack Frames</a></div>
+<h4><a name="gcstack">Garbage Collected Stack Frames</a></h4>
 <!-- ======================================================================= -->
 
 <div class="doc_text">