Some forward-looking and optimistic documentation.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@177093 91177308-0d34-0410-b5e6-96231b3b80d8
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
+        "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+	<title>libc++ debug mode status</title>
+</head>
+<body>
+
+<p>
+Work is beginning on a libc++ debug mode.  The purpose of this table is to
+record which parts of libc++ have debug mode support.
+</p>
+
+<table border=1>
+<tr>
+<th>Section</th>
+<th>Completed ?</th>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>vector&lt;T&gt;, T != bool</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;list&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;unordered_set&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;unordered_map&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;set&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;map&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;string&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>vector&lt;bool&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;deque&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;forward_list&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;array&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;stack&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;queue&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+<tr>
+<td>
+<p>
+<code>&lt;algorithm&gt;</code>
+</p>
+</td>
+<td><!-- &#10003; --></td>
+</tr>
+
+
+</table>
+
+<p>
+At present the table is known to not be a complete list.  It is currently ordered
+in approximate priority order.
+</p>
+
+
+</body>
+</html>