diff -Naur -x '*~' -x '*.rej' -x '*.orig' websvn-2.3.0/include/svnlook.php websvn-2.3.0-use-external-geshi/include/svnlook.php
--- websvn-2.3.0/include/svnlook.php	2009-12-04 06:53:49.000000000 +0100
+++ websvn-2.3.0-use-external-geshi/include/svnlook.php	2010-02-07 22:53:42.000000000 +0100
@@ -667,7 +667,7 @@
 		foreach ($extGeshi as $language => $extensions) {
 			if (in_array($ext, $extensions)) {
 				if ($this->geshi === null) {
-					require_once 'lib/geshi.php';
+					require_once 'geshi.php';
 					$this->geshi = new GeSHi();
 				} else {
 					$this->geshi->error = false;
@@ -720,7 +720,7 @@
 
 		$source = file_get_contents($filename);
 		if ($this->geshi === null) {
-			require_once 'lib/geshi.php';
+			require_once 'geshi.php';
 			$this->geshi = new GeSHi();
 		}
 		$this->geshi->set_source($source);