diff --git a/wp-includes/class-IXR.php b/wp-includes/class-IXR.php
index f27be3f9cf..fc20e06853 100644
--- a/wp-includes/class-IXR.php
+++ b/wp-includes/class-IXR.php
@@ -22,6 +22,7 @@
 class IXR_Value {
     var $data;
     var $type;
+
     function IXR_Value ($data, $type = false) {
         $this->data = $data;
         if (!$type) {
@@ -40,6 +41,7 @@ class IXR_Value {
             }
         }
     }
+
     function calculateType() {
         if ($this->data === true || $this->data === false) {
             return 'boolean';
@@ -73,6 +75,7 @@ class IXR_Value {
             return 'array';
         }
     }
+
     function getXml() {
         /* Return XML for this value */
         switch ($this->type) {
@@ -113,6 +116,7 @@ class IXR_Value {
         }
         return false;
     }
+
     function isStruct($array) {
         /* Nasty function to check if an array is a struct or not */
         $expected = 0;
@@ -180,7 +184,7 @@ class IXR_Message {
         return true;
     }
     function tag_open($parser, $tag, $attr) {
-		$this->_currentTagContents = '';
+        $this->_currentTagContents = '';
         $this->currentTag = $tag;
         switch($tag) {
             case 'methodCall':
@@ -270,7 +274,7 @@ class IXR_Message {
                 $this->params[] = $value;
             }
         }
-		$this->_currentTagContents = '';
+        $this->_currentTagContents = '';
     }
 }
 
@@ -334,7 +338,8 @@ EOD;
     }
     function call($methodname, $args) {
         if (!$this->hasMethod($methodname)) {
-            return new IXR_Error(-32601, 'server error. requested method '.$methodname.' does not exist.');
+            return new IXR_Error(-32601, 'server error. requested method '.
+                $methodname.' does not exist.');
         }
         $method = $this->callbacks[$methodname];
         // Perform the callback and send the response
@@ -347,18 +352,21 @@ EOD;
             // It's a class method - check it exists
             $method = substr($method, 5);
             if (!method_exists($this, $method)) {
-                return new IXR_Error(-32601, 'server error. requested class method "'.$method.'" does not exist.');
+                return new IXR_Error(-32601, 'server error. requested class method "'.
+                    $method.'" does not exist.');
             }
             // Call the method
             $result = $this->$method($args);
         } else {
             // It's a function - does it exist?
             if (is_array($method)) {
-            	if (!method_exists($method[0], $method[1])) {
-                return new IXR_Error(-32601, 'server error. requested object method "'.$method[1].'" does not exist.');
-            	}
+                if (!method_exists($method[0], $method[1])) {
+                    return new IXR_Error(-32601, 'server error. requested object method "'.
+                        $method[1].'" does not exist.');
+                }
             } else if (!function_exists($method)) {
-                return new IXR_Error(-32601, 'server error. requested function "'.$method.'" does not exist.');
+                return new IXR_Error(-32601, 'server error. requested function "'.
+                    $method.'" does not exist.');
             }
             // Call the function
             $result = call_user_func($method, $args);
@@ -490,7 +498,7 @@ class IXR_Client {
     var $response;
     var $message = false;
     var $debug = false;
-	var $timeout;
+    var $timeout;
     // Storage place for an error message
     var $error = false;
     function IXR_Client($server, $path = false, $port = 80, $timeout = false) {
@@ -509,8 +517,8 @@ class IXR_Client {
             $this->path = $path;
             $this->port = $port;
         }
-        $this->useragent = 'Incutio XML-RPC';
-		$this->timeout = $timeout;
+        $this->useragent = 'The Incutio XML-RPC PHP Library';
+        $this->timeout = $timeout;
     }
     function query() {
         $args = func_get_args();
@@ -556,7 +564,7 @@ class IXR_Client {
                 $gettingHeaders = false;
             }
             if (!$gettingHeaders) {
-                $contents .= trim($line)."\n";
+                $contents .= trim($line);
             }
         }
         if ($this->debug) {
@@ -603,7 +611,7 @@ class IXR_Error {
     var $message;
     function IXR_Error($code, $message) {
         $this->code = $code;
-        $this->message = htmlspecialchars($message);
+        $this->message = $message;
     }
     function getXml() {
         $xml = <<<EOD
@@ -665,10 +673,9 @@ class IXR_Date {
         $this->hour = substr($iso, 9, 2);
         $this->minute = substr($iso, 12, 2);
         $this->second = substr($iso, 15, 2);
-        $this->timezone = substr($iso, 17);
     }
     function getIso() {
-        return $this->year.$this->month.$this->day.'T'.$this->hour.':'.$this->minute.':'.$this->second.$this->timezone;
+        return $this->year.$this->month.$this->day.'T'.$this->hour.':'.$this->minute.':'.$this->second;
     }
     function getXml() {
         return '<dateTime.iso8601>'.$this->getIso().'</dateTime.iso8601>';
diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php
index 8ed744cd07..57033a46a0 100644
--- a/wp-includes/taxonomy.php
+++ b/wp-includes/taxonomy.php
@@ -761,20 +761,36 @@ function &get_terms($taxonomies, $args = '') {
 function is_term($term, $taxonomy = '') {
 	global $wpdb;
 
+	$select = "SELECT term_id FROM $wpdb->terms as t WHERE ";
+	$tax_select = "SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE ";
+
 	if ( is_int($term) ) {
 		if ( 0 == $term )
 			return 0;
 		$where = 't.term_id = %d';
-	} else {
-		if ( '' === $term = sanitize_title($term) )
-			return 0;
-		$where = 't.slug = %s';
+		if ( !empty($taxonomy) )
+			return $wpdb->get_row( $wpdb->prepare( $tax_select . $where . " AND tt.taxonomy = %s", $term, $taxonomy ), ARRAY_A );
+		else
+			return $wpdb->get_var( $wpdb->prepare( $select . $where, $term ) );
 	}
 
-	if ( !empty($taxonomy) )
-		return $wpdb->get_row( $wpdb->prepare("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $where AND tt.taxonomy = %s", $term, $taxonomy), ARRAY_A);
+	if ( '' === $slug = sanitize_title($term) )
+		return 0;
 
-	return $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $where", $term) );
+	$where = 't.slug = %s';
+	$else_where = 't.name = %s';
+
+	if ( !empty($taxonomy) ) {
+		if ( $result = $wpdb->get_row( $wpdb->prepare("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $where AND tt.taxonomy = %s", $slug, $taxonomy), ARRAY_A) )
+			return $result;
+			
+		return $wpdb->get_row( $wpdb->prepare("SELECT tt.term_id, tt.term_taxonomy_id FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy as tt ON tt.term_id = t.term_id WHERE $else_where AND tt.taxonomy = %s", $term, $taxonomy), ARRAY_A);
+	}
+
+	if ( $result = $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $where", $slug) ) )
+		return $result;
+
+	return $wpdb->get_var( $wpdb->prepare("SELECT term_id FROM $wpdb->terms as t WHERE $else_where", $term) );
 }
 
 /**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 06eb3317d4..721f5d96a7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -15,6 +15,6 @@ $wp_version = '2.7-bleeding';
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 8202;
+$wp_db_version = 8370;
 
 ?>