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/CompilerWriterInfo.html b/docs/CompilerWriterInfo.html
index daee931..6be1b63 100644
--- a/docs/CompilerWriterInfo.html
+++ b/docs/CompilerWriterInfo.html
@@ -9,9 +9,9 @@
 
 <body>
 
-<div class="doc_title">
+<h1>
   Architecture/platform information for compiler writers
-</div>
+</h1>
 
 <div class="doc_warning">
   <p>Note: This document is a work-in-progress.  Additions and clarifications
@@ -43,11 +43,11 @@
 </div>
 
 <!-- *********************************************************************** -->
-<div class="doc_section"><a name="hw">Hardware</a></div>
+<h2><a name="hw">Hardware</a></h2>
 <!-- *********************************************************************** -->
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="alpha">Alpha</a></div>
+<h3><a name="alpha">Alpha</a></h3>
 
 <div class="doc_text">
 <ul>
@@ -58,7 +58,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="arm">ARM</a></div>
+<h3><a name="arm">ARM</a></h3>
 
 <div class="doc_text">
 <ul>
@@ -70,7 +70,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="ia64">Itanium (ia64)</a></div>
+<h3><a name="ia64">Itanium (ia64)</a></h3>
 
 <div class="doc_text">
 <ul>
@@ -81,7 +81,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="mips">MIPS</a></div>
+<h3><a name="mips">MIPS</a></h3>
 
 <div class="doc_text">
 <ul>
@@ -92,10 +92,10 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="ppc">PowerPC</a></div>
+<h3><a name="ppc">PowerPC</a></h3>
 
 <!-- _______________________________________________________________________ -->
-<div class="doc_subsubsection">IBM - Official manuals and docs</div>
+<h4>IBM - Official manuals and docs</h4>
 
 <div class="doc_text">
 
@@ -129,7 +129,7 @@
 </div>
 
 <!-- _______________________________________________________________________ -->
-<div class="doc_subsubsection">Other documents, collections, notes</div>
+<h4>Other documents, collections, notes</h4>
 
 <div class="doc_text">
 
@@ -144,7 +144,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="sparc">SPARC</a></div>
+<h3><a name="sparc">SPARC</a></h3>
 
 <div class="doc_text">
 
@@ -156,10 +156,10 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="x86">X86</a></div>
+<h3><a name="x86">X86</a></h3>
 
 <!-- _______________________________________________________________________ -->
-<div class="doc_subsubsection">AMD - Official manuals and docs</div>
+<h4>AMD - Official manuals and docs</h4>
 
 <div class="doc_text">
 <ul>
@@ -170,7 +170,7 @@
 </div>
 
 <!-- _______________________________________________________________________ -->
-<div class="doc_subsubsection">Intel - Official manuals and docs</div>
+<h4>Intel - Official manuals and docs</h4>
 
 <div class="doc_text">
 <ul>
@@ -184,7 +184,7 @@
 </div>
 
 <!-- _______________________________________________________________________ -->
-<div class="doc_subsubsection">Other x86-specific information</div>
+<h4>Other x86-specific information</h4>
 
 <div class="doc_text">
 <ul>
@@ -194,7 +194,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="other">Other relevant lists</a></div>
+<h3><a name="other">Other relevant lists</a></h3>
 
 <div class="doc_text">
 
@@ -205,11 +205,11 @@
 </div>
 
 <!-- *********************************************************************** -->
-<div class="doc_section"><a name="abi">ABI</a></div>
+<h2><a name="abi">ABI</a></h2>
 <!-- *********************************************************************** -->
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="linux">Linux</a></div>
+<h3><a name="linux">Linux</a></h3>
 
 <div class="doc_text">
 <ol>
@@ -219,7 +219,7 @@
 </div>
 
 <!-- ======================================================================= -->
-<div class="doc_subsection"><a name="osx">OS X</a></div>
+<h3><a name="osx">OS X</a></h3>
 
 <div class="doc_text">
 <ol>
@@ -233,7 +233,7 @@
 </div>
 
 <!-- *********************************************************************** -->
-<div class="doc_section"><a name="misc">Miscellaneous resources</a></div>
+<h2><a name="misc">Miscellaneous resources</a></h2>
 <!-- *********************************************************************** -->
 
 <ul>