diff --git a/NEWS b/NEWS
index 1c6ed04d..0758f384 100644
--- a/NEWS
+++ b/NEWS
@@ -25,6 +25,7 @@ NEWS ( CHANGELOG and HISTORY )                                     HTMLPurifier
 . Lookup table HTMLDefinition->info_flow_elements added
 . Added peace-of-mind variable initialization to Strategy_FixNesting
 . Added HTMLPurifier->info_parent_def, parent child processing made special
+. Added internal documents briefly summarizing future progression of HTML
 
 1.2.1, unknown release date
 (bugfix/minor feature release, may be dropped if 1.2.0 is stable)
diff --git a/docs/index.html b/docs/index.html
index deb57353..26d37e2a 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -128,6 +128,18 @@ the code. They may be upgraded to HTML files or stay as TXT scratchpads.</p>
     <td>Short essay on how loose definition isn't really loose.</td>
 </tr>
 
+<tr>
+    <td>Reference</td>
+    <td><a href="ref-xhtml-1.1.txt">XHTML 1.1</a></td>
+    <td>What we'd have to do to support XHTML 1.1.</td>
+</tr>
+
+<tr>
+    <td>Reference</td>
+    <td><a href="ref-whatwg.txt">WHATWG</a></td>
+    <td>How WHATWG plays into what we need to do.</td>
+</tr>
+
 </tbody>
 
 </table>
diff --git a/docs/ref-whatwg.txt b/docs/ref-whatwg.txt
new file mode 100644
index 00000000..78cef953
--- /dev/null
+++ b/docs/ref-whatwg.txt
@@ -0,0 +1,9 @@
+
+Web Hypertext Application Technology Working Group
+    WHATWG
+
+I don't think we need to worry about them.  Untrusted users shouldn't be
+submitting applications, eh?  But if some interesting attribute pops up in
+their spec, and might be worth supporting, stick it here.
+
+(none so far, as you can see)
diff --git a/docs/ref-xhtml-1.1.txt b/docs/ref-xhtml-1.1.txt
new file mode 100644
index 00000000..db8127e5
--- /dev/null
+++ b/docs/ref-xhtml-1.1.txt
@@ -0,0 +1,20 @@
+
+Getting XHTML 1.1 Working
+
+It's quite simple, according to <http://www.w3.org/TR/xhtml11/changes.html>
+
+1. Scratch lang entirely in favor of xml:lang
+2. Scratch name entirely in favor of id (partially-done)
+3. Support Ruby <http://www.w3.org/TR/2001/REC-ruby-20010531/>
+
+...but that's only an informative section. More things to do:
+
+1. Scratch style attribute (it's deprecated)
+2. Be module-aware
+3. Cross-reference minimal content models with existing DTDs and determine
+   changes (todo)
+4. Watch out for the Legacy Module
+<http://www.w3.org/TR/2001/REC-xhtml-modularization-20010410/abstract_modules.html#s_legacymodule>
+5. Let users specify their own custom modules
+6. Study Modularization document
+<http://www.w3.org/TR/2001/REC-xhtml-modularization-20010410/>