Index: wp-admin/import/wordpress.php
===================================================================
--- wp-admin/import/wordpress.php	(revision 13566)
+++ wp-admin/import/wordpress.php	(working copy)
@@ -56,7 +56,8 @@
 		preg_match("|<$tag.*?>(.*?)</$tag>|is", $string, $return);
 		if ( isset($return[1]) ) {
 			$return = preg_replace('|^<!\[CDATA\[(.*)\]\]>$|s', '$1', $return[1]);
-			$return = $wpdb->escape( trim( $return ) );
+			if ($tag == 'content:encoded') $return = $wpdb->escape( trim( $return, "\t\0\x0B" ) );
+			else $return = $wpdb->escape( trim( $return ) );
 		} else {
 			$return = '';
 		}
@@ -96,12 +97,18 @@
 
 		$doing_entry = false;
 		$is_wxr_file = false;
+		$in_content_encoded = false;
 
 		$fp = $this->fopen($this->file, 'r');
 		if ($fp) {
 			while ( !$this->feof($fp) ) {
-				$importline = rtrim($this->fgets($fp));
+				$importline = $this->fgets($fp);
 
+				if ( false !== strpos($importline, '<content:encoded>') ) $in_content_encoded = true;
+				if ( false !== strpos($importline, '</content:encoded>') ) $in_content_encoded = false;
+				if ( $in_content_encoded ) $importline = rtrim($importline, "\n\r\0\x0B");
+				else	$importline = rtrim($importline);
+
 				// this doesn't check that the file is perfectly valid but will at least confirm that it's not the wrong format altogether
 				if ( !$is_wxr_file && preg_match('|xmlns:wp="http://wordpress[.]org/export/\d+[.]\d+/"|', $importline) )
 					$is_wxr_file = true;