diff --git a/library/HTMLPurifier/Definition.php b/library/HTMLPurifier/Definition.php
index 9223a440..ae1b390d 100644
--- a/library/HTMLPurifier/Definition.php
+++ b/library/HTMLPurifier/Definition.php
@@ -210,13 +210,7 @@ class HTMLPurifier_Definition
         //////////////////////////////////////////////////////////////////////
         // UNIMP : info_tag_transform : transformations of tags
         
-        // font -> span / attributes: size        color   face
-        //                       css: font-size   color   font-family
-        // menu -> ul
-        // dir -> ul
-        // center -> div / css: text-align: center;
-        
-        //$this->info_tag_transform['font']   = new HTMLPurifier_TagTransform_Font();
+        $this->info_tag_transform['font']   = new HTMLPurifier_TagTransform_Font();
         $this->info_tag_transform['menu']   = new HTMLPurifier_TagTransform_Simple('ul');
         $this->info_tag_transform['dir']    = new HTMLPurifier_TagTransform_Simple('ul');
         $this->info_tag_transform['center'] = new HTMLPurifier_TagTransform_Center();
diff --git a/library/HTMLPurifier/TagTransform.php b/library/HTMLPurifier/TagTransform.php
index f11f2cef..f962dc36 100644
--- a/library/HTMLPurifier/TagTransform.php
+++ b/library/HTMLPurifier/TagTransform.php
@@ -44,7 +44,13 @@ class HTMLPurifier_TagTransform_Simple extends HTMLPurifier_TagTransform
 
 class HTMLPurifier_TagTransform_Center extends HTMLPurifier_TagTransform
 {
+    var $transform_to = 'div';
+    
     function transform($tag) {
+        if ($tag->type == 'end') {
+            $new_tag = new HTMLPurifier_Token_End($this->transform_to);
+            return $new_tag;
+        }
         $attributes = $tag->attributes;
         $prepend_css = 'text-align:center;';
         if (isset($attributes['style'])) {
@@ -53,14 +59,11 @@ class HTMLPurifier_TagTransform_Center extends HTMLPurifier_TagTransform
             $attributes['style'] = $prepend_css;
         }
         switch ($tag->type) {
-            case 'end':
-                $new_tag = new HTMLPurifier_Token_End('div');
-                break;
             case 'start':
-                $new_tag = new HTMLPurifier_Token_Start('div', $attributes);
+                $new_tag = new HTMLPurifier_Token_Start($this->transform_to, $attributes);
                 break;
             case 'empty':
-                $new_tag = new HTMLPurifier_Token_Empty('div', $attributes);
+                $new_tag = new HTMLPurifier_Token_Empty($this->transform_to, $attributes);
                 break;
             default:
                 trigger_error('Failed tag transformation', E_USER_WARNING);
@@ -70,4 +73,79 @@ class HTMLPurifier_TagTransform_Center extends HTMLPurifier_TagTransform
     }
 }
 
+class HTMLPurifier_TagTransform_Font extends HTMLPurifier_TagTransform
+{
+    
+    var $transform_to = 'span';
+    
+    var $_size_lookup = array(
+        '1' => 'xx-small',
+        '2' => 'small',
+        '3' => 'medium',
+        '4' => 'large',
+        '5' => 'x-large',
+        '6' => 'xx-large',
+        '7' => '300%',
+        '-1' => 'smaller',
+        '+1' => 'larger',
+        '-2' => '60%',
+        '+2' => '150%',
+        '+4' => '300%'
+    );
+    
+    function transform($tag) {
+        
+        if ($tag->type == 'end') {
+            $new_tag = new HTMLPurifier_Token_End($this->transform_to);
+            return $new_tag;
+        }
+        
+        // font size lookup table based off of:
+        //  http://style.cleverchimp.com/font_size_intervals/altintervals.html
+        $attributes = $tag->attributes;
+        $prepend_style = '';
+        
+        // handle color transform
+        if (isset($attributes['color'])) {
+            $prepend_style .= 'color:' . $attributes['color'] . ';';
+            unset($attributes['color']);
+        }
+        
+        // handle face transform
+        if (isset($attributes['face'])) {
+            $prepend_style .= 'font-family:' . $attributes['face'] . ';';
+            unset($attributes['face']);
+        }
+        
+        // handle size transform
+        if (isset($attributes['size'])) {
+            if (isset($this->_size_lookup[$attributes['size']])) {
+                $prepend_style .= 'font-size:' .
+                  $this->_size_lookup[$attributes['size']] . ';';
+            }
+            unset($attributes['size']);
+        }
+        
+        if ($prepend_style) {
+            $attributes['style'] = isset($attributes['style']) ?
+                $prepend_style . $attributes['style'] :
+                $prepend_style;
+        }
+        
+        switch ($tag->type) {
+            case 'start':
+                $new_tag = new HTMLPurifier_Token_Start($this->transform_to, $attributes);
+                break;
+            case 'empty':
+                $new_tag = new HTMLPurifier_Token_Empty($this->transform_to, $attributes);
+                break;
+            default:
+                trigger_error('Failed tag transformation', E_USER_WARNING);
+                return;
+        }
+        return $new_tag;
+        
+    }
+}
+
 ?>
\ No newline at end of file
diff --git a/tests/HTMLPurifier/Strategy/RemoveForeignElementsTest.php b/tests/HTMLPurifier/Strategy/RemoveForeignElementsTest.php
index 3fe26452..0c72b469 100644
--- a/tests/HTMLPurifier/Strategy/RemoveForeignElementsTest.php
+++ b/tests/HTMLPurifier/Strategy/RemoveForeignElementsTest.php
@@ -32,6 +32,10 @@ class HTMLPurifier_Strategy_RemoveForeignElementsTest
         $inputs[4] = '<center>Look I am Centered!</center>';
         $expect[4] = '<div style="text-align:center;">Look I am Centered!</div>';
         
+        // test font transform
+        $inputs[5] = '<font color="red" face="Arial" size="6">Big Warning!</font>';
+        $expect[5] = '<span style="color:red;font-family:Arial;font-size:xx-large;">Big Warning!</span>';
+        
         $this->assertStrategyWorks($strategy, $inputs, $expect);
     }
     
diff --git a/tests/HTMLPurifier/TagTransformTest.php b/tests/HTMLPurifier/TagTransformTest.php
index 44594333..db82ff14 100644
--- a/tests/HTMLPurifier/TagTransformTest.php
+++ b/tests/HTMLPurifier/TagTransformTest.php
@@ -81,6 +81,53 @@ class HTMLPurifier_TagTransformTest extends UnitTestCase
         
     }
     
+    function assertSizeToStyle($transformer, $size, $style) {
+        $this->assertTransformation(
+            $transformer,
+            'font', array('size' => $size),
+            'span', array('style' => 'font-size:' . $style . ';')
+        );
+    }
+    
+    function testFont() {
+        
+        $transformer = new HTMLPurifier_TagTransform_Font();
+        
+        // test a font-face transformation
+        $this->assertTransformation(
+            $transformer,
+            'font', array('face' => 'Arial'),
+            'span', array('style' => 'font-family:Arial;')
+        );
+        
+        // test a color transformation
+        $this->assertTransformation(
+            $transformer,
+            'font', array('color' => 'red'),
+            'span', array('style' => 'color:red;')
+        );
+        
+        // test the size transforms
+        $this->assertSizeToStyle($transformer, '1', 'xx-small');
+        $this->assertSizeToStyle($transformer, '2', 'small');
+        $this->assertSizeToStyle($transformer, '3', 'medium');
+        $this->assertSizeToStyle($transformer, '4', 'large');
+        $this->assertSizeToStyle($transformer, '5', 'x-large');
+        $this->assertSizeToStyle($transformer, '6', 'xx-large');
+        $this->assertSizeToStyle($transformer, '7', '300%');
+        $this->assertSizeToStyle($transformer, '-1', 'smaller');
+        $this->assertSizeToStyle($transformer, '+1', 'larger');
+        $this->assertSizeToStyle($transformer, '-2', '60%');
+        $this->assertSizeToStyle($transformer, '+2', '150%');
+        $this->assertSizeToStyle($transformer, '+4', '300%');
+        
+        // test multiple transforms, the alphabetical ordering is important
+        $this->assertTransformation(
+            $transformer,
+            'font', array('color' => 'red', 'face' => 'Arial', 'size' => '6'),
+            'span', array('style' => 'color:red;font-family:Arial;font-size:xx-large;')
+        );
+    }
 }
 
 ?>
\ No newline at end of file