diff --git a/markdown.php b/markdown.php
new file mode 100644
index 0000000..2d69220
--- /dev/null
+++ b/markdown.php
@@ -0,0 +1,248 @@
+<?php
+/** DomFramework
+    @package domframework
+    @author Dominique Fournier <dominique@fournier38.fr> */
+
+function debug ($msg)
+{
+  $trace = debug_backtrace();
+  $back = reset ($trace);
+  file_put_contents ("/tmp/debug", "[".$back["line"]."] $msg\n", FILE_APPEND);
+}
+error_reporting (E_ALL);
+/** Markdown management */
+class markdown
+{
+  /** Convert the markdown language to HTML
+      Return the HTML string
+      @param string $mark Message in markdown syntax to display */
+  public function html ($mark)
+  {
+    $res = "";
+    $search = array ();
+    $replace = array ();
+
+    // VALIDATION
+//    if (substr ($mark, -1) !== "\n")
+//      $mark .= "\n";
+
+    // SEPARATORS : *** --- ___ * * * - - - _ _ _
+    // Must be placed before EMPHASIS
+    $search[] = "/\\n^[*_-] ?[*_-] ?[*_-]$/Um";
+    $replace[] = "</p>\n<hr/>\n<p>";
+
+    // EMPHASIS : _ or * for normal, __ or ** for strong
+    $search[] = "/__(.+)__/";              $replace[] = "<strong>\\1</strong>";
+    $search[] = "/_(.+)_/";                $replace[] = "<em>\\1</em>";
+    $search[] = "/\*\*(.+)\*\*/";          $replace[] = "<strong>\\1</strong>";
+    $search[] = "/\*(.+)\*/";              $replace[] = "<em>\\1</em>";
+
+    // CODE : `code` -> <code>
+    $search[] = "/\\n?\`((\\n|.)+)\`/Um";
+    $replace[] = " <code>\\1</code>";
+
+    // LINKS 
+    // [Google Site](http://google.fr/ "With help bubble")
+    $search[] = "(\[(.+)\]\((https?://.+) \"(.+)\"\))";
+    $replace[] = "<a href='\\2' title='\\3'>\\1</a>";
+    // [Google Site](http://google.fr/)
+    $search[] = "(\[(.+)\]\((http.+)\))";  $replace[] = "<a href='\\2'>\\1</a>";
+    // Automatics links :
+    // <http://dominique.fournier38.fr>
+    // <dominique@fournier38.fr>
+    $search[] = "(\<(https?://.+)\>)";     $replace[] = "<a href='\\1'>\\1</a>";
+    $search[] = "(\<(.+@.+)\>)";    $replace[] = "<a href='mailto:\\1'>\\1</a>";
+    // TODO : Links by reference :
+    // Voici un petit texte écrit par [Michel Fortin][mf].
+    // [mf]: http://michelf.ca/ "Mon site web"
+
+    // TITLES
+    // Titles ATX (Optionnal sharp at the end)
+    // ###### Title6
+    $search[] = "/\\n^###### ([^#]+)(#*)$\\n/Um";
+    $replace[] = "</p>\n<h6>\\1</h6>\n<p>";
+    // ##### Title5
+    $search[] = "/\\n^##### ([^#]+)(#*)$\\n/Um";
+    $replace[] = "</p>\n<h5>\\1</h5>\n<p>";
+    // #### Title4
+    $search[] = "/\\n^#### ([^#]+)(#*)$\\n/Um";
+    $replace[] = "</p>\n<h4>\\1</h4>\n<p>";
+    // ### Title3
+    $search[] = "/\\n^### ([^#]+)(#*)$\\n/Um";
+    $replace[] = "</p>\n<h3>\\1</h3>\n<p>";
+    // ## Title2
+    $search[] = "/\\n^## ([^#]+)(#*)$\\n/Um";
+    $replace[] = "</p>\n<h2>\\1</h2>\n<p>";
+    // # Title1
+    $search[] = "/\\n^# ([^#]+)(#*)$\\n/Um";
+    $replace[] = "</p>\n<h1>\\1</h1>\n<p>";
+    // Titles with underline (SeText)
+    // Titre1
+    // ======
+    $search[] = "/\\n^(.+)\\n==+$\\n/Um";
+    $replace[] = "</p>\n<h1>\\1</h1>\n<p>";
+    // Titre2
+    // ------
+    $search[] = "/\\n^(.+)\\n--+$\\n/Um";
+    $replace[] = "</p>\n<h2>\\1</h2>\n<p>";
+
+    // End of line with double space : <br/>
+    $search[] = "/(  )$/Um";               $replace[] = "<br/>";
+
+    $res = preg_replace ($search, $replace, $mark);
+
+    $res = $this->paragraph ($res);
+    return $res;
+  }
+
+  /** Recursive function to translate the paragraphs
+      return the html */
+  private function paragraph ($mark)
+  {
+    $debug = 1;
+    $mark = str_replace ("\t", "    ", $mark);
+    $spacer = "    ";
+    $res = "";
+    // P, OL, UL (but not LI !)
+    // Use to found the changing of types
+    $typeStack = array ();
+    // Number of spaces
+    $indentStack = array (-1);
+    // All the HTML stack (with LI)
+    $htmlStack = array ();
+    $lines = explode ("\n", $mark);
+    foreach ($lines as $line)
+    {
+      debug ( "DEBUT:$line");
+      $type = $this->paragraphType ($line);
+      debug ( "DEBUT:  Type='$type'");
+      $matches = array ();
+      switch ($type)
+      {
+      case "ol" :
+        preg_match ("/^( *)[0-9]+\. +(.*)/", $line, $matches);
+        $lineTxt = $matches[2];
+        break ;
+      case "ul" :
+        preg_match ("/^( *)[-+*] +(.*)/", $line, $matches);
+        $lineTxt = $matches[2];
+        break ;
+      default:
+        $lineTxt = $line;
+      }
+      $indent = strspn ($line, " ");
+      debug ( "DEBUT:  Indent='$indent'");
+
+      // Spacing
+      if ($indent < end ($indentStack))
+      {
+        debug ( "DEB1 :  Ending of block");
+        if (end ($htmlStack) === "li")
+        {
+          debug ("Pending <Li> : closing");
+          debug ("</li>");
+          $res .= "</li>";
+          array_pop ($htmlStack);
+        }
+        $oldType = array_pop ($typeStack); 
+        debug (str_repeat (" ", end ($indentStack))."</$oldType>");
+        $res .= "\n".str_repeat (" ", end ($indentStack))."</$oldType>";
+        array_pop ($htmlStack);
+        if ($type === "ol" || $type === "ul")
+        {
+          debug ("DEB2 : Pending <Li> : closing");
+          debug ("</li>");
+          $res .= "\n</li>";
+          array_pop ($htmlStack);
+          debug ("DEB2 : Adding li");
+          $htmlStack[] = "li";
+          debug ( str_repeat (" ", $indent)."<li>");
+          $res .= "\n".str_repeat (" ", $indent)."<li>";
+        }
+        debug (str_repeat (" ", $indent)."$lineTxt");
+        $res .= str_repeat (" ", $indent)."$lineTxt";
+        array_pop ($indentStack);
+      }
+      elseif ($indent > end ($indentStack))
+      {
+        debug ( "DEB1 :  Starting a new block");
+        array_push ($indentStack, $indent);
+        array_push ($typeStack, $type);
+        debug ( str_repeat (" ", $indent)."<$type>");
+        $res .= "\n".str_repeat (" ", $indent)."<$type>";
+        $htmlStack[] = $type;
+        if ($type === "ol" || $type === "ul")
+        {
+          debug ("DEB2 : Adding li");
+          $htmlStack[] = "li";
+          debug ( str_repeat (" ", $indent)."<li>");
+          $res .= "\n".str_repeat (" ", $indent)."<li>";
+        }
+        debug ( "$lineTxt");
+        $res .= "$lineTxt";
+      }
+      else
+      {
+        debug ( "DEB1 : Continuous block $type/".end ($typeStack));
+        if (end ($htmlStack) === "li")
+        {
+          debug ("Pending <Li> : closing");
+          debug ("</li>");
+          $res .= "</li>";
+          array_pop ($htmlStack);
+        }
+        debug ( "DEB1 : Continuous block $type/".end ($typeStack)." SECOND");
+        if ($type !== end ($typeStack))
+        {
+          debug ( "DEB2 : Continuous Block but type change");
+          $oldType = array_pop ($typeStack); 
+          debug (str_repeat (" ", end ($indentStack))."</$oldType>");
+          $res .= "\n".str_repeat (" ", end ($indentStack))."</$oldType>";
+          array_pop ($htmlStack);
+
+          debug (str_repeat (" ", end ($indentStack))."<$type>");
+          $res .= "\n".str_repeat (" ", end ($indentStack))."<$type>";
+          $htmlStack[] = $type;
+          array_push ($indentStack, $indent);
+          array_push ($typeStack, $type);
+        }
+
+        if ($type === "ol" || $type === "ul")
+        {
+          debug ("DEB2 : Adding li");
+          $htmlStack[] = "li";
+          debug ( str_repeat (" ", $indent)."<li>");
+          $res .= "\n".str_repeat (" ", $indent)."<li>";
+        }
+
+        debug ("$lineTxt");
+        $res .= "$lineTxt";
+      }
+    }
+
+    debug ( "DEB1 : End of loop");
+    $htmlStack = array_reverse ($htmlStack);
+    foreach ($htmlStack as $type)
+    {
+      debug ( "FIN</$type>");
+      $res .= "</$type>\n";
+    }
+
+    debug ( "-----------\n");
+    return $res;
+  }
+
+  /** Return the Type of object in the provided line 
+      p, ul, ol, code */
+  private function paragraphType ($line)
+  {
+    $line = ltrim ($line);
+    if (! isset ($line{0}))
+      return "";
+    if ($line{0} === "*" || $line{0} === "-" || $line{0} === "+")
+      return "ul";
+    if (preg_match ("/^[0-9]+\. /", $line) === 1)
+      return "ol";
+    return "p";
+  }
+}