diff --git a/paget_form.class.php b/paget_form.class.php
index a51f07d..6a3ee1f 100644
--- a/paget_form.class.php
+++ b/paget_form.class.php
@@ -49,6 +49,13 @@ function define_subresource($resource_name, $relation_to_primary) {
     $this->_resources[$resource_name] = array('uri' => $this->get_subresource_uri($resource_name), 'relation' => $relation_to_primary);
   }
 
+  /**
+   * Predefined field types:
+   * <ul>
+   * <li>note - a long text field, typically rendered as a textarea</li>
+   * <li>resource - a field for entering URIs</li>
+   * </ul>
+   **/
   function define_field($field_name, $property, $resource = 'this', $type = '') {
     $this->_fields[$field_name] = array('resource' => $resource, 'property' => $property, 'type' => $type);
   }
diff --git a/paget_request.class.php b/paget_request.class.php
index 49b2dab..3291ab1 100644
--- a/paget_request.class.php
+++ b/paget_request.class.php
@@ -218,7 +218,7 @@ function _getAcceptHeader()
             }
             return $accepts;
         }
-    return array('text/html');
+      return array('*/*');
     }
   
   /**
diff --git a/paget_seeotherredirect.class.php b/paget_seeotherredirect.class.php
index d8e529d..7870eb5 100644
--- a/paget_seeotherredirect.class.php
+++ b/paget_seeotherredirect.class.php
@@ -1,5 +1,5 @@
 <?php
-
+// OBSOLETE
 
 class PAGET_SeeOtherRedirect {
   var $_uri;
diff --git a/paget_urispace.class.php b/paget_urispace.class.php
index 7efdd20..fcd7558 100644
--- a/paget_urispace.class.php
+++ b/paget_urispace.class.php
@@ -51,10 +51,9 @@ function get_resource($request) {
       $desc = $this->get_description($res->get_best_description_uri());
       $form = $this->get_form($this->_forms[$path], $uri, $desc);
       return $form;
-//      return new PAGET_PermanentRedirect('http://' . $_SERVER["HTTP_HOST"] . $this->_redirects[$path]);
     }
-    
-    if (preg_match('~^(.+)\.(html|rdf|xml|turtle|json)$~', $uri)) {
+
+    if ($this->is_ir($uri)) {
       $desc = $this->get_description($uri);
       if ($desc == null ) return null;
       if ($desc->is_valid()) return $desc;
@@ -159,6 +158,10 @@ function _has_http_method(&$resource, $method)
     return FALSE;
   }
 
+  function is_ir($uri) {
+    return preg_match('~^(.+)\.(html|rdf|xml|turtle|json)$~', $uri) ? TRUE : FALSE;
+  }
+
 }
 
 
diff --git a/tests/runtests.php b/tests/runtests.php
index 921cf7b..d7f04ad 100644
--- a/tests/runtests.php
+++ b/tests/runtests.php
@@ -3,6 +3,7 @@
   define('PHPUnit_MAIN_METHOD', 'PAGET_AllTests::main');
 }
 require_once dirname(__FILE__) . '/paget_resourcedescription.test.php';
+require_once dirname(__FILE__) . '/paget_urispace.test.php';
 require_once dirname(__FILE__) . '/paget_simplepropertylabeller.test.php';
 require_once dirname(__FILE__) . '/paget_simpleinferencer.test.php';
 require_once dirname(__FILE__) . '/paget_form.test.php';
@@ -19,6 +20,7 @@ public static function suite()
         $suite = new PHPUnit_Framework_TestSuite('Paget Framework Tests');
 
         //$suite->addTestSuite('PAGET_ResourceDescriptionTest');
+        $suite->addTestSuite('PAGET_UriSpaceTest');
         $suite->addTestSuite('PAGET_SimplePropertyLabellerTest');
         $suite->addTestSuite('PAGET_SimpleInferencerTest');
         $suite->addTestSuite('PAGET_FormTest');